Pentium 4 athlon 64: The Battle for Value: Athlon 64 3200+ vs. Pentium 4 530

The Battle for Value: Athlon 64 3200+ vs. Pentium 4 530

by Anand Lal Shimpion October 19, 2004 1:04 AM EST

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IndexModel Numbers Help and ConfuseThe TestBusiness/General Use PerformanceBusiness/General Use Performance ContinuedMultitasking Content Creation PerformanceVideo Creation/Photo Editing PerformanceAudio/Video Encoding PerformanceGaming PerformanceGaming Performance Continued3D Rendering PerformanceWorkstation Application PerformancePower Consumption ComparisonThe Battle for Value: Athlon 64 3200+ vs. Pentium 4 530Justifying a Rating: Athlon 64 4000+ vs. Athlon 64 3800+Re-evaluating the Benefits of Socket-939Final Words

The Battle for Value: Athlon 64 3200+ vs. Pentium 4 530

In a review of processors selling for close to $1,000, it’s important
to look at some of the more affordable CPUs to see how they stack up against
each other as well. With the introduction of the first 90nm Athlon 64 parts,
AMD has been able to bring the Socket-939 Athlon 64 CPUs down below $300, making
for an interesting value comparison.

Using our RealTime Pricing Engine we found that for just over
$200 you could either have an Athlon 64 3200+ or a Pentium 4 530 (3GHz). While
this
doesn’t take into account motherboard cost, 925X boards and Socket-939 boards
are in the same general price ranges. You can get a Socket-939 nForce3 board
for $133, and you can get an ABIT 925X board for $150.

So the question becomes, based on our plethora of benchmarks,
which CPU do you buy? In order to find out, we’ll break down the benchmarks
by category once again.

In our Business/General Use tests, the Athlon 64 3200+ won 6
benchmarks, tied in 1 and lost 3. In the 6 benchmarks that the Athlon 64 3200+
won, its average win percentage over the Pentium 4 530 was 17. 6%. In the 3
that the Pentium 4 530 won, its average win percentage was also a hefty 9.6%.
Overall it would seem that the Athlon 64 3200+ is the better buy for Business/General
Use, although the Pentium 4 did manage to outperform it in some tests.

In our Multitasking Content Creation tests, the Athlon 64 3200+
won 2 benchmarks and the Pentium 4 530 won 3 benchmarks. In the two benchmarks
the 3200+ won, it outperformed the 530 on average by 12.8%. In the three benchmarks
the 530 won, it outperformed the 3200+ by 10.2%. Although the Athlon 64 won
fewer benchmarks here it won by a larger overall percentage so we’ll call
this one a draw.

Next up is Video Creation/Editing and Photoshop performance,
where the 3200+ won 2 out of the three tests by outperforming the 520 by 22.8%
on average. The Pentium 4 won one test by a margin of 2.5%. The clear winner
here is AMD.

Audio/Video encoding gave the Athlon 64 two wins at an average
of 11. 9%, while the Pentium 4 530 had 3 wins at an average of 11.3%. Given
the virtually equal performance wins with a slight difference in the number
of wins, we’ll call this one a slight victory for Intel.

If you’re a gamer, the choice is clear, the Athlon 64 3200+ won
10 out of 10 gaming benchmarks with an average performance advantage of 13.9%
over the Pentium 4 530.

In our 3dsmax 3D rendering tests, the Athlon 64 won twice while
the Pentium 4 one once. However the one test the Pentium 4 won in was actually
a composite of 4 separate 3dsmax tests which we also included in our results.
The Athlon 64 advantage in its two wins was 7.7%, while the Pentium 4 advantage
in its wins was an average of 7%. With 4 actual victories over AMD’s 2, our
recommendation here would be leaning more strongly towards Intel but the win
is definitely not clear cut.

Finally in our workstation tests, the Athlon 64 won 7 benchmarks,
the Pentium 4 won one by 1% and failed one. The performance advantage here
was an average of 8.4%, giving the advantage to AMD.

In the end, here’s our scorecard for the Athlon 64 3200+ vs.
Pentium 4 530:

Business/General Use — Athlon 64 3200+

Multitasking Content Creation — Tie

Video Creation/Editing and Photoshop — Athlon 64 3200+

Audio/Video Encoding — Pentium 4 530

Gaming — Athlon 64 3200+

3D Rendering with 3dsmax — Pentium 4 530

Workstation Performance — Athlon 64 3200+

Depending on your usage our recommendation may vary, but the
best overall performer at the $200 price point appears to be the Athlon 64
3200+.

Power Consumption Comparison
Justifying a Rating: Athlon 64 4000+ vs. Athlon 64 3800+
IndexModel Numbers Help and ConfuseThe TestBusiness/General Use PerformanceBusiness/General Use Performance ContinuedMultitasking Content Creation PerformanceVideo Creation/Photo Editing PerformanceAudio/Video Encoding PerformanceGaming PerformanceGaming Performance Continued3D Rendering PerformanceWorkstation Application PerformancePower Consumption ComparisonThe Battle for Value: Athlon 64 3200+ vs. Pentium 4 530Justifying a Rating: Athlon 64 4000+ vs. Athlon 64 3800+Re-evaluating the Benefits of Socket-939Final Words

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AMD Athlon 64 X2 5000+ EE vs Intel Pentium 4 HT 530


Comparative analysis of AMD Athlon 64 X2 5000+ EE and Intel Pentium 4 HT 530 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Memory.

AMD Athlon 64 X2 5000+ EE

Buy on Amazon


vs

Intel Pentium 4 HT 530

Buy on Amazon

 

Differences

Reasons to consider the AMD Athlon 64 X2 5000+ EE

  • CPU is newer: launch date 2 year(s) 3 month(s) later
  • 1 more cores, run more applications at once: 2 vs 1
  • 8x more L1 cache, more data can be stored in the L1 cache for quick access later
  • Around 29% lower typical power consumption: 65 Watt vs 84 Watt





Launch date September 2006 vs June 2004
Number of cores 2 vs 1
L1 cache 128 KB vs 16 KB
Thermal Design Power (TDP) 65 Watt vs 84 Watt

Reasons to consider the Intel Pentium 4 HT 530

  • Around 15% higher clock speed: 3 GHz vs 2. 6 GHz
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later



Maximum frequency 3 GHz vs 2.6 GHz
L2 cache 1024 KB vs 512 KB

Compare specifications (specs)

















AMD Athlon 64 X2 5000+ EE Intel Pentium 4 HT 530
Architecture codename Windsor Prescott
Launch date September 2006 June 2004
Place in performance rating not rated not rated
Vertical segment Desktop Desktop
64 bit support
Die size 220 mm 109 mm
L1 cache 128 KB 16 KB
L2 cache 512 KB 1024 KB
Manufacturing process technology 90 nm 90 nm
Maximum frequency 2. 6 GHz 3 GHz
Number of cores 2 1
Transistor count 154 million 125 million
Max number of CPUs in a configuration 1 1
Sockets supported AM2 775
Thermal Design Power (TDP) 65 Watt 84 Watt
Supported memory types

DDR1, DDR2, DDR3

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Intel Pentium 4 vs AMD Athlon 64 X2 4800+








Intel Pentium 4 vs AMD Athlon 64 X2 4800+

Compare the technical characteristics between the group of processors Intel Pentium 4 and the processor AMD Athlon 64 X2 4800+, but also with the respective performance in the benchmarks.

Note: Commissions may be earned from the links above.

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Specifications:


Intel Pentium 4 650 2005 Q1 90 nm 1 2 3. 4 3.4 2 2 16 84 66.6

74 136 60 50

677 304

1045 1094 254 299
Intel Pentium 4 631 2006 Q1 65 nm 1 2 3 3 2 2 16 86 64. 1

69 137 58 48

956 833

989 1110 154 190
AMD Athlon 64 X2 4800+ 2006 Q2 65 nm 2 2 2.5 2.5 1 8 16 65 68

86 172 55 115 102 213

868 693

1138 1833 238 443

Note: Commissions may be earned from the links above.

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

This comparative table allows us to better appreciate the differences between the various processors. The performance for Geekbench 4 single-core and multi-core are established by default on the Windows operating system, on Linux if there is at least one server processor present in the comparison, on Mac OS X if we make a parallel with at least one Apple branded processor on Linux and Android if a smartphone processor other than Apple is present. Each time, in 64-bit version.

Performances:






CPU-Z — Multi-thread & single thread score

AMD Athlon 64 X2 4800+


86

172

Intel Pentium 4 631


69

137

Intel Pentium 4 650


74

136

Note: Commissions may be earned from the links above. These scores are only an
average of the performances got with these processors, you may get different results.

CPU-Z is a system information software that provides the name of the processor, its model number, the codename, the cache levels, the package, the process. It can also gives data about the mainboard, the memory. It makes real time measurement, with finally a benchmark for the single thread, as well as for the multi thread.






Cinebench R15 — Multi-thread & single thread score

AMD Athlon 64 X2 4800+


55

115

Intel Pentium 4 650


60

50

Intel Pentium 4 631


58

48

Note: Commissions may be earned from the links above. These scores are only an
average of the performances got with these processors, you may get different results.

Cinebench R15 evaluates the performance of CPU calculations by restoring a photorealistic 3D scene. The scene has 2,000 objects, 300,000 polygons, uses sharp and fuzzy reflections, bright areas, shadows, procedural shaders, antialiasing, and so on. The faster the rendering of the scene is created, the more powerful the PC is, with a high number of points.




Cinebench R20 — Multi-thread & single thread score

AMD Athlon 64 X2 4800+


102

213

Note: Commissions may be earned from the links above. These scores are only an
average of the performances got with these processors, you may get different results.

Cinebench R20 is a multi-platform test software which allows to evaluate the hardware capacities of a device such as a computer, a tablet, a server. This version of Cinebench takes into account recent developments in processors with multiple cores and the latest improvements in rendering techniques. The evaluation is ultimately even more relevant.






PassMark — CPU Mark & single thread

Intel Pentium 4 631


956

833

AMD Athlon 64 X2 4800+


868

693

Intel Pentium 4 650


677

304

Note: Commissions may be earned from the links above. These scores are only an
average of the performances got with these processors, you may get different results.

PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.






Geekbench 4 — Multi-core & single core score

AMD Athlon 64 X2 4800+


1.138

1.833

Intel Pentium 4 631


989

1.110

Intel Pentium 4 650


1.045

1.094

Note: Commissions may be earned from the links above. These scores are only an
average of the performances got with these processors, you may get different results.

Geekbench 4 is a complete benchmark platform with several types of tests, including data compression, images, AES encryption, SQL encoding, HTML, PDF file rendering, matrix computation, Fast Fourier Transform, 3D object simulation, photo editing, memory testing. This allows us to better visualize the respective power of these devices. For each result, we took an average of 250 values on the famous benchmark software.






Geekbench 5 — Multi-core & single core score

AMD Athlon 64 X2 4800+


238

443

Intel Pentium 4 650


254

299

Intel Pentium 4 631


154

190

Note: Commissions may be earned from the links above. These scores are only an
average of the performances got with these processors, you may get different results.

Geekbench 5 is a software for measuring the performance of a computer system, for fixed devices, mobile devices, servers. This platform makes it possible to better compare the power of the CPU, the computing power and to compare it with similar or totally different systems. Geekbench 5 includes new workloads that represent work tasks and applications that we can find in reality.

Equivalence:

AMD Athlon 64 X2 4800+ Intel equivalent

See also:

Intel Pentium GoldIntel Pentium IIIntel Pentium IIIIntel Pentium Silver

Benchmarks: Intel’s 64-bit Pentium 4 660

AMD has led the 64-bit desktop processor field up to now with the Athlon 64 — although there is, as yet, no shipping 64-bit Windows operating system, which is necessary to make the most of a 64-bit CPU. However, at the beginning of February Microsoft made Release Candidate 2 of Windows XP Professional x64 Edition available to testers, and the final version is due to ship at the beginning of April.

With its 6xx-series Pentium 4 processors, Intel has finally jumped on the desktop 64-bit bandwagon. Intel’s EM64T architecture can implement Windows’ x86-64 mode, and is also compatible with the AMD64 architecture. This means that you don’t need different Windows operating systems to take advantage of 64-bit processing.

Intel’s new processors offer some other innovations besides the 64-bit EM64T architecture. For example, all 6xx-series CPUs deliver 2MB of Level 2 cache — double the amount on the 5xx-series chips. There’s also improved power management in the shape of Enhanced Intel Speedstep Technology (EIST) and protection from malware infection via memory overflow thanks to the eXecute Disable (XD) bit.

The 6xx-series Pentium 4 chips have an 800MHz frontside bus (FSB) and are designed for use in standard desktop PCs. Intel is also offering a new Pentium 4 Extreme Edition clocked at 3.73GHz with a 1,066MHz FSB. This expensive ($999), high-end chip is only likely to appeal to a limited market — mainly power users and gamers.

According to Intel, the 6xx-series Pentium 4s will replace the older line in the medium term. However, it may be some months before you can no longer buy 5xx-series chips.

6xx-series Pentium 4 processors

Processor Clock speed
Level 2 cache EM64T / XD / EIST
Price

Pentium 4 660 3.6GHz 2MB yes / yes / yes $605
Pentium 4 650 3.4GHz 2MB yes / yes / yes $401
Pentium 4 640 3.2GHz 2MB yes / yes / yes $273
Pentium 4 630 3. 0GHz 2MB yes / yes / yes $224

 

Protection from worms and trojans

The new Intel chips include technology designed to prevent dangerous code — contained in email attachments, for example — being executed via buffer overflows. This is the eXecute Disable (XD) bit, which makes its first appearance on a mainstream Intel desktop CPU: until now, Intel has only implemented the XD bit in the server-class Itanium processor, and a limited number of Pentium 4 variants (those with the suffix ‘J’). The Athlon 64, Athlon 64 FX and Opteron processors also offer this feature, which AMD calls No eXecute (NX).

Windows XP has supported the XD/NX feature since Service Pack 2 (Microsoft calls it ‘Data Execution Prevention’, or DEP). With DEP, the operating system provides a measure of inbuilt protection from worms and trojans, reducing the need to constantly install new security patches. Microsoft estimates that memory overflows lead to 50 per cent of all virus attacks; systems with XD or NX chips are therefore better protected against such attacks than those lacking this feature.

 

Improved power management

The new 6xx-series Pentium 4 processors benefit from improved power management in the shape of Enhanced Intel Speedstep Technology (EIST). The addition of this feature, along with improvements in the fabrication process, results in lower power consumption.

EIST provides similar functionality to AMD’s Cool ‘n Quiet technology in its Athlon 64 processors. If the system is in Idle mode, the voltage and clock frequency are reduced. As the CPU load increases, the voltage and clock frequency are gradually stepped up. The power consumption figures below demonstrate the effect of this technology. The Pentium 4 560 system without EIST (Intel D925XCV motherboard, 2 x 512MB Micron DDR2 RAM, MSI GeForce 6600GT, Maxtor Maxline III 250GB) uses 153 Watts in Idle mode, and this is reduced by 40 Watts when the EIST-equipped Pentium 4 660 is used instead. That’s all the more impressive when you consider that Intel’s new chip contains more transistors thanks to its 2MB of Level 2 cache. Compared to AMD’s Athlon 64 4000+ (Asus A8N-SLI Deluxe), the Pentium 4 600 has closed the power consumption gap significantly, and is now only ten per cent behind.

Power consumption: Pentium 4 versus Athlon 64

CPU Pentium 4 660
(N0-Stepping)

Athlon 64 4000+ Pentium 4 560
(D0-Stepping)


Maximum* 230W 203W 267W
Minimum 113W 103W 153W

* Maximum power consumption is measured using the CPU Stability Test 6. 0 utility. If there is additional load on the graphics card, the system’s maximum power consumption will be higher still. Note: the power consumption figures refer to complete systems with otherwise identical specifications.

 

Test setup

To evaluate the performance of Intel’s top-end 6xx-series Pentium 4 (the 660 model running at 3.6GHz), we have compared it to AMD’s Athlon 64 4000+. Both processors cost just over $600.

The Pentium 4 test system is built around Intel’s 925XCV motherboard, which is equipped with 1GB of 533MHz DDR2 RAM. For the Athlon 64 system, we used the Asus A8N-SLI motherboard, again with 1GB of (DDR400) RAM. The other specifications are identical, comprising the MSI GeForce 6600GT graphics card and Maxtor’s Maxline III 250GB SATA hard drive.

Benchmarking is based primarily around current programs that might be used in a typical digital home PC. Available 64-bit applications are also used to test performance. Some tests are run in parallel, in order to evaluate the processors’ multitasking ability. Last year’s top 3D games are also represented in the shape of Doom3, Far Cry and Half Life 2.

Most tests were carried out under Windows XP Professional x64 Edition RC2 (Build 1433). However, the production of an HTML picture gallery with Jalbum was done under 32-bit Windows: this application requires a Java Virtual Machine, which is not yet available for the 64-bit platform. We contacted numerous vendors about 64-bit Windows applications, with limited success. We do have some 64-bit applications in this performance test, but most are still beta versions.

Benchmark overview

Application Description

Povray 3. 6 (32- & 64-bit) raytracing
Panorama Factory (32- & 64-bit) panoramic photo production
FLAC 1.2 (32-bit), Monkey’s Audio 3.99 (32-bit) lossless compression/decompression of audio data (APE and FLAC)
Nero Recode (32-bit) DVD re-quantising/transcoding
TMPG Express 3.0 (32-bit) video compression
Jalbum 5.1 (32-bit) HTML picture gallery production
Blobby Dancer Demo (32- & 64-bit) 3D demo
Doom3, Far Cry, Half Life 2 3D games
Media Player 10 HDTV video (1080i) playback

Benchmarks: audio data, multitasking

Lossless compression of audio data is mainly of interest to hi-fi enthusiasts, who require the highest quality audio streams. This form of audio compression, which is becoming ever more popular in file sharing networks, can be handled by two programs: Monkey’s Audio and FLAC.

Appropriate plug-ins are available for media players such as Winamp. APE files are provided with Monkey’s Audio 3.99. FLAC files are compressed using the open source FLAC 1.1.1a utility. This program also has some optimisations for the Pentium 4 platform.

For the benchmark test, a compressed audio file (APE: Pink Floyd / Dark Side of the Moon, FLAC: J.S. Bach / Complete Cantatas) is first decompressed and then compressed again.

With Monkey’s Audio 3.99, the Athlon 64 4000+ has the edge, and the picture looks similar with FLAC. However, the Pentium 4 profits from the optimised FLAC version 1.1.2, which is based on the Intel Math Library. This shortens the time for decompressing from 32.8 seconds to 23.2 seconds. When it comes to compression, however, the Athlon 64 takes 32 seconds less than the Pentium 4. In this mode, FLAC obviously has no Intel optimisation.

Monkey’s Audio 3.99

Pink Floyd / Dark Side of the Moon Pentium 4 660
Athlon 64 4000+

Decompress (seconds) 60.1 52.8
Compress (seconds) 47.2 42.2

FLAC 1.1.1a

J. S. Bach / Complete Cantatas Pentium 4 660
Athlon 64 4000+

Decompress (seconds) 32.8 32.1
Compress (seconds) 143 115

FLAC 1.1.2 Optimised (Intel Math Library)

J. S. Bach / Complete Cantatas Pentium 4 660
Athlon 64 4000+

Decompress (seconds) 23. 2 30.9
Compress (seconds) 143 115


Multitasking test

When the two audio files are processed separately, the compression results favour the Athlon 64, which takes a total of 157.2 seconds (APE: 42.2s, FLAC: 115s) compared to the Pentium 4’s 190.2 seconds (APE: 47.2s, FLAC: 143s). However, things look different if the compression takes place simultaneously. Then the Pentium 4 benefits from its HyperThreading (HT) functionality and overhauls the Athlon 64. Intel’s chip takes 163 seconds with simultaneous processing compared to 190 seconds with separate processing. For the Athlon 64, the pattern is reversed: 157.2 seconds with separate processing extends to 170 seconds with simultaneous processing.

Simultaneous compression

Monkey’s Audio / FLAC Pentium 4 660
Athlon 64 4000+

Monkey’s Audio compression (seconds) 74 99
Total time including FLAC compression (seconds) 163 170

 

 

Benchmarks: video data

When it comes to video compression, the Pentium 4 660 is ahead of its AMD rival. Most applications in this area offer HT support, so the advantage of using the Intel architecture is hardly surprising.

TMPEG Enc Xpress 3.0 supports the Pentium 4’s SSE3 instructions, which have yet to be incorporated into the Athlon 64 (this is slated for the next revision). Compression of the SVCD-format video file is therefore faster with the Pentium 4.

With Nero Recode you can copy a non-copy-protected 8.7GB DVD onto standard 4.7GB DVD-R media. To do this, the DVD data is compressed, a process that takes the Pentium 4 660 15:05 minutes in high-quality mode. The Athlon 64 4000+ takes over 20 minutes to complete the task.

Video compression

Video Pentium 4 660
Athlon 64 4000+

Nero Recode (minutes) 15:05 20:12
TMPG Xpress 3. 0 (minutes) 03:44 04:02

 

 

Benchmarks: games

In the gaming tests, which were carried out at 1,280 by 1,024 resolution, the Athlon 64 is the better performer overall.

Nvidia’s Blobby Dancer demo, which is available in 64-bit as well as standard 32-bit versions, provides an interesting result. The 64-bit version runs about 20 per cent faster under both processors.

Also interesting are the results from Quake II. This very popular first-person shooter from the 90s has gone open source and is available as a .NET version. There is a beta version of Microsoft .NET Framework 2.0 for Windows XP Professional x64 Edition RC2, which allows this game to be played under the 64-bit OS. The results show two things. First, the Pentium 4 delivers better performance with the .NET version than the Athlon 64 (a similar pattern is observed with the normal version of the game). Second, in contrast to the Blobby Dancer demo, Quake II runs slower under the 64-bit OS – so 64-bit programs are not always faster than their 32-bit counterparts.

Game tests

Game Pentium 4 660
Athlon 64 4000+

Far Cry 1.3 (fps) 43.1 44.3
Doom3 (fps) 60.1 62.1
Half Life 2 (fps) 39.4 40.1
Blobby Dancer 64-bit (fps) 42.4 42.3
Blobby Dancer 32-bit (fps) 34. 8 35.0
Quake II .NET 64-bit (fps) 28.6 23.1
Quake II .NET 32-bit (fps) 30.2 27.8

  

64-bit benchmarks: photo processing, raytracing

In the final benchmark section we examine 64-bit applications alongside the 32-bit Jalbum 5.1 program. Panorama Factory is a popular tool for producing panoramic photos and, like the open source raytracing program Povray, is available in both 32-bit and 64-bit versions.

To produce an HTML picture gallery with Jalbum, we processed 151 images. As well as applying special effects, the pictures were converted to a different resolution. The Pentium 4 and Athlon 64 took almost exactly the same time to complete this process.

Photo processing

HTML picture gallery Pentium 4 660
Athlon 64 4000+

Jalbum 5. 1 (151 images) 2:11 min 2:10 min

The Povray raytracing test runs 27 percent faster in 64-bit mode on the Athlon 64 than in 32-bit mode. With the Pentium 4, surprisingly, the pattern is the exact opposite: here, the 32-bit version is significantly faster. However, this program still is in the beta stage, and we should be careful not to draw premature conclusions.

Raytracing

Povray Pentium 4 660
Athlon 64 4000+

Povray-Benchmark 64-bit (PPS) 83 116
Povray-Benchmark 32-bit (PPS) 103 91

The Panorama Factory test demonstrates the advantages of the 64-bit architecture, with both processors showing improvements over the 32-bit version. The Pentium 4 speeds up the panorama production process by around 25 per cent, while the Athlon 64 acceleration is nearly 30 per cent.

Photo processing

Panorama Factory Pentium 4 660
Athlon 64 4000+

Panorama Factory 64-bit (seconds) 59.5 55.2
Panorama Factory 32-bit (seconds) 80.1 78.5

 

 

Conclusion

With the launch of the Pentium 4 6xx series, Intel now supports 64-bit computing on the desktop. However, this won’t be a huge deal for the majority of users right away. Windows XP Professional x64 Edition will ship within a few weeks, but the lack of key device drivers — for example for digital TV cards — will deter many from upgrading for a while yet. Also, the number of available 64-bit Windows applications can be counted on the fingers of one hand; again, this will not be enough to tempt many upgraders.

So it’s just as well that the new Intel processors have more to offer than 64-bit support. Improved power management and protection from memory overflow (via the XD bit) will prove valuable. Enhanced Intel Speedstep Technology (EIST) allows for the dynamic adjustment of voltage and clock speed, which reduces average power consumption significantly. Even when playing a HDTV video, the Pentium 4 660 remains at its lowest clock speed of 2.8GHz, with reduced voltage. As a result, the cooling system can be simpler than it was when the Prescott CPU was introduced over a year ago. Very quiet systems can now be built around high-performance Pentium 4 processors — a particularly important factor if the PC is to function as the basis for the ‘digital home’ and take its place in the living room.

Performance
As far as performance is concerned, the 3.6GHz Pentium 4 660 can hold its own against its main competitor, the Athlon 64 4000+. The Intel chip performs particularly well if several tasks are running at the same time; under these circumstances, the Pentium 4 can outpace its AMD rival even if the latter is quicker at performing the tasks on their own. Thanks to HyperThreading (HT), the Pentium 4 distributes processing tasks across two virtual cores, resulting in more efficient utilisation of CPU resources. Such scenarios are found ever more frequently in the real world. For example, no-one should venture onto the Internet without firewall, antivirus and anti-spyware protection. These services are constantly active and need appropriate resources. Likewise, operations such as data encryption or hard disk defragmentation can load the processor, while the user compresses streaming video or audio data. Under such usage patterns, the advantage of HT is particularly apparent.

With the 6xx-series Pentium 4, Intel has ensured that important functionality such as protection from memory overflow, power management and 64-bit support on the desktop is no longer an AMD domain. And with HT support and SSE3 instructions, the new Intel processors offer additional benefits. One change will annoy Intel, however: on the installation CD for Windows XP Professional x64 Edition, the most important operating system files are no longer in the ‘i386’ folder; Intel systems must load the installation files now from the ‘AMD64’ folder. Although that might hurt the industry leader, Intel may draw comfort from the fact that it has already sold more 64-bit chips than the inventor of the x86-64 architecture, AMD.

Architecture comparison

CPU Pentium 4 660
Athlon 64 4000+

64-bit support yes, EM64T yes, AMD64
Power management yes, EIST yes, Cool ‘n Quiet
Memory overflow protection yes, XD bit yes, NX bit
HyperThreading yes no
SSE3 yes no

 

 

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