What is a celeron d: New, Improved & Exceeds Expectations

Intel SL96N 3.33GHz 512KB 533MHz Intel Celeron D 356 CPU Processor FW685

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3.33GHz 512KB 533MHz Intel Celeron D 356 CPU Processor SL96N FW685








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Product Overview

Genuine Intel 3.33GHz-512KB Celeron D 356 Cedar Mill CPU Processor.

Part Number(s): SL96N (Intel), FW685 (Dell)


Tested and certified to be in working condition. Removed from a Dell PowerEdge 840 server.

Heatsink sold separately


Socket Type: PLGA775

sSpec Number: SL96N (C1)
CPU Speed: 3. 33GHz
Bus Speed: 533 MHz
L2 Cache Size: 512 KB
L2 Cache Speed: 3.33GHz

Manufacturing Technology: 65 nm
Thermal Design Power: 86W
Thermal Specification: 69.2 C
VID Voltage Range: 1.25V-1.325V


Compatible Systems


PowerEdge 840 Server

PowerEdge 860 Server

PowerEdge SC440 Server

Dimension 9200C

XPS 210

Dimension E520

OptiPlex 320

OptiPlex 320 Desktop

OptiPlex 320 Mini-Tower

OptiPlex 745

OptiPlex 745 Desktop

Warranty Information

90-day parts replacement warranty


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Intel SL7ND — 2.53Ghz 533Mhz 256K PGA478 Intel Celeron D 325 CPU Processor

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Item#: SL7ND

Condition: Refurbished

Frequency: 2.53 Ghz
Manufacturer: Intel
Family: Celeron D
Socket: PGA 478


$25. 00



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  • Product Description
  • Compatible Models
  • Additional Info

Product Description

Model Intel® Celeron® D Processor 325
Frequency 2.53 Ghz
FSB Speed 533 Mhz
L2 Cache 256 KB
Instruction Set 32-Bit
TDP 73 W
Supported Sockets PGA478
Cores 1

Compatible Models

Additional Info

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Review Subject


overclocking potential and prospects / Processors and memory






Processor number

Frequency (GHz)

FSB frequency (MHz)



2. 53
















It should be noted that the list of processors is not limited to this, there is already a model with the number 320J, operating at a frequency of 2.4GHz and being the youngest in the line. Also, Celeron D processors with a clock frequency of 3. 2GHz and higher will soon hit the market, but so far there is no official information about these processors on the Intel website (www.intel.com), just as there is no information about the Pentium 4 505/515 already sold with might and main in our stores.


In general, with the transition to the Prescott core, the Celeron processor restored its former reputation in the eyes of users who are unable to purchase expensive Pentium 4 and are forced to look for the optimal solution among competitors’ products. Today, Celeron D can provide decent performance in everyday tasks and, above all, in gaming applications, which Celeron processors built on the Willamette/Northwood core were especially bad at.

With a small cache memory and a sharpened tech. process, Celeron D (of course, not without the efforts of overclockers) conquered 4GHz long ago and can «compete» in performance with junior models of modern Intel Pentium 4, AMD Athlon 64, not to mention its direct competitor — AMD Sempron. Today we will try to inspect the «LGA-shnogo» Celeron D, find out its overclocking potential, prospects and sum up.


Scope of supply:

As you can see in the photo, the box of the new Celeron D has significantly increased in size compared to the box of its counterpart for Socket478. The first thing that might come to mind is that the standard cooler has greatly increased in size, but as it turned out in practice, this is far from the case and, most likely, in this way Intel simply wanted to highlight the novelty.

As you have already noticed, the heatsink has become more rounded, its height, compared to the Celeron D Socket478 cooler, has decreased by about 0.5 cm, but its diameter has increased. In general, when you compare the heatsinks of standard coolers from Celeron D S478 and Celeron D S775, you get the impression that the latter is the result of compression and stretching of the former. But, of course, this is not so, especially since the copper core in the LGA version has become smaller and such a recess has appeared in it:


As for the noise and quality characteristics, they remained almost at the same level and are able to provide sufficient processor cooling in the nominal mode and at low overclocking.

Also included in the package were installation instructions, a technical data sheet and a company sticker.


To compare Celeron D for Socket 478 and Socket775, two similar configurations based on the same processors were assembled (the differences are only in the interface).


Test stand #1

  • Intel Celeron D 325.
  • ASUS P4C800-E Deluxe (i875P/ICH5R).
  • 2x256MB PC3200 Kingston KVR400X64C3A/256 (2.5/3/3/6)

Test bench #2

  • Intel Celeron D 325J.
  • ASUS P5GD1 (i915P/ICH6R).
  • 2x256MB PC3200 Kingston KVR400X64C3A/256 (2.5/3/3/6)

worked at a frequency of 2.53GHz and had a Prescott-E0 core. In fact, we had two absolutely identical processors, the only difference was that in Celeron D for Socket478, TM2, C1E and NX-bit technologies were blocked, despite their hardware support by the processor. When trying to turn them on on the ASUS P4C800-E Deluxe motherboard, the system gave out a «blue screen of death» and everything stopped. Marketing, there’s nothing you can do. But, despite this, the test results, both in mathematics and in multimedia applications, did not differ much. The same core design and a slight difference in performance between the ASUS P4C800-E Deluxe and ASUS P5GD1 motherboards made themselves felt — the processors demonstrated the same speed, so further performance comparison did not make sense. But the main interest was the overclocking potential of the new Celeron D, which we tested with pleasure.


Initially, the Gigabyte GA-8I915P (i915P/ICH6R) motherboard was chosen for testing, but all our efforts resulted in only 161MHz of the processor’s system bus, which resulted in 3.06GHz:

A further increase in the FSB frequency only resulted in the fact that the motherboard stopped seeing S-ATA hard drives. Increasing the voltage on the processor and memory did not give results. This alignment of affairs did not suit anyone, and therefore the «mother» was replaced by ASUS P5GD1. The abundance of overclocker settings of the ward could not but please the soul of a real overclocker, which was not in vain, since in the end we managed to “squeeze” 3.8GHz out of the processor:


I want to note that for this we needed to increase the voltage on the processor to 1.42V.

As a result, the increase from overclocking was 46% of the frequency, which is a very good indicator.
Of course, this is far from the ultimate dream, and let’s hope that the processors from the next batch will show the best results in overclocking, but for now we’ll be content with what we have.

On the diagrams below, you can see the performance gain from overclocking. The tests were carried out using a Gigabyte NVIDIA GeForce 6600 128MB PCI-Express x16 video card operating at 550/670 frequencies.


Tests from Futuremark PCMark 2004

Futuremark 3DMark 2003 Pro (CPU Test 1 and 2)

Futuremark 3DMark 2001 SE Pro test results

As you can see, Celeron D overclocking added a significant performance boost to the processor. Of course, not twice, but still not a little.

As a result, we want to say that the Intel Celeron D in the LGA775 package turned out to be a good budget processor. Excellent overclocking potential, low cost and good performance can more than satisfy undemanding users or people who want to switch to the LGA775 platform without any special financial investments, which certainly has its positive aspects. And taking into account future support for EM64T technology, there is another way to think about it now, since Intel Pentium 4/Celeron D processors under Socket478 EM64T will not be supported. nine0007

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⇣ Comments

Intel CELERON D or new features of budget computers

For a long time, Intel Celeron processors were the only right solution for creating budget computers with a balanced ratio of performance, functionality and price. However, the emergence of new Intel Pentum 4 processors based on the Prescott core, as well as new resource-intensive applications, has significantly increased the distance between budget and Hi-END computers. In other words, Intel Celeron capabilities are clearly not enough today, and to reduce the distance, Intel has released a new generation of budget processors, which are now called Celeron D. nine0007

What is the difference between the new processors Celeron D from the old Celeron ‘s?

The new Celeron D processors are based on the new 90 nm Prescott core, which made it possible to implement a number of architectural features found in the new Pentium 4 processors. For example, the new processors have an increased pipeline length, which, on the one hand, leads to a theoretical reduction performance in the case of misprediction, however, on the other hand, allowed the use of higher clock frequencies. To compensate for the increased pipeline length, the Prescott core uses a new advanced prediction module. In addition, Celeron D has a doubled L2 cache (256 Kb), supports the SSE 3 instruction set and the long-awaited 533MHz system bus. nine0007


Socket 478

Intel Celeron D

Intel Celeron




Form factor

Socket 478

Maximum clock frequency

2. 8GHz


Production process




Number of transistors

125 million

55 million

Core size

112 sq m

131 sq m

Size cache L1 (data)



Size cache L1 (instructions)

12000 uops

12000 uops

Size cache L 2



Bus frequency



SIMD support



Hyper-Threading Support



As you can see, the new Celeron D processor supports all the necessary features that can significantly increase performance.

The only thing we would like to pay attention to is the current clock frequency. While the new Celeron D will use exactly the same frequencies as the previous generation processors (2.53-2.8GHz), however, in the future the frequency will be increased to 3.2GHz. nine0007

Externally Celeron D is no different from Pentium 4 Prescott. It is made in the Socket 478 form factor, which allows it to be installed in motherboards of the previous generation (recall that motherboards for LGA 775 are already considered the modern generation). True, unlike all previous Celeron and Pentium 4 processors, the new processors have an unusual marking. Now the frequency parameter is not used in the name of the processor. Instead, each Celeron D model has a digital ID. So, for example, our test processor with a frequency of 2. 8 GHz is called Celeron D 335, while the models with a frequency of 2.53 and 2.66 GHz are numbered 325 and 330, respectively. Future models with frequencies 2.93, 3.06 and 3.2GHz will have the corresponding numbers 340, 345 and 350.

Assembling the test platform… the need to provide state-of-the-art performance and functionality at the lowest possible cost. For this reason, our platform is based on the ASUS P 4 V 8 X — X motherboard based on the VIA P 4 X 533 chipset. This board is one of the few that, at a price of $50, supports a lot of features, among which it is necessary to note support for processors. based on Prescott core with FSB 533 and 800 MHz (not documented), built-in SATA controller with RAID 0.1 and many other options. nine0007

In order for you to better appreciate this board, let’s take a closer look at some of the features. First, the area around the processor slot where the power regulator is located. Usually, in cheap motherboards, the manufacturer saves on this module, which can lead to some stability problems, especially when operating at high frequencies. The ASUS P 4 V 8 X — X board uses a full-fledged multi-phase power regulator, which provides high stability not only in the standard frequency mode, but also during overclocking. nine0007

Above the processor slot there are three DIMM slots that can accommodate up to 3 GB of DDR 400 memory. However, due to the VIA P 4X533 chipset equipped with a single-channel memory controller, the memory bandwidth is limited to 3.2 Gb/s, which is a noticeable limitation for the Pentium 4, however, for the Celeron D processor it is not so important. Behind the memory slots is an ATX power connector and two IDE connectors. This arrangement is especially convenient when using tall cabinets. nine0007

To the right of the processor slot is the northbridge chip, which is cooled by a massive heatsink. The VT8237 southbridge chip, as well as all its surroundings, including additional USB connectors, two SATA ports, one FD port and other elements, are traditionally placed on the right side of the board.

Now on to the front of the board. Here, in front of five PCI and one AGP 8 x slots, there is a Super I / O controller, a six-channel audio codec, a network controller, and a Flash ROM with a written BIOS. By the way, to solve the problem of erroneous BIOS overwriting, the motherboard is equipped with the CrashFree BIOS 2 system, which allows you to restore the BIOS from a floppy disk or CD. nine0007

Finally, let’s take a look at the back panel of the I/O ports. Here, along with traditional PS / 2, LPT and COM connectors, there are four USB 2.0 ports (four additional ports can be connected directly to the motherboard), one RJ-45 (10/100) network connector, three audio connectors that allow you to connect analog a set of multi-channel acoustics, as well as a digital coaxial output that allows you to connect a digital set of acoustics.

Features BIOS

The BIOS used on the ASUS P4V8X-X board includes a minimum but quite sufficient number of options that allow you to adjust the system performance, including overclocking options, incl. the ability to manually set the processor frequency, as well as select preset overclocking values.

In conclusion, we would like to note once again that, despite the low price, the ASUS P4V8X-X board includes a lot of features that make it a very good choice for a budget platform. nine0007

Overclocking features…

Celeron D based on Prescott core suggests good overclockability of the processor. However, our own experience has shown that the Celeron D 335 on our test platform has a rather small frequency potential. So the system remained stable only at the FSB frequency up to 140 MHz, which led to an increase in the processor frequency to 2.94 GHz.

As the experience of our colleagues who conducted a full study of the frequency potential of the new processor shows, it really runs well, however, to maintain stability, it is necessary to increase the voltage of the processor core, which we did not do. nine0007

Other elements of the test platform…

As the graphics subsystem in our test platform, we used a graphics card based on the GeForce FX 5500 GPU, equipped with 128MB of memory. Of course, the capabilities of this card significantly limit the 3D performance of the computer, especially in modern games (Far Cry, Halo and UT 2004), however, in most applications, the capabilities of this card will be quite enough, especially since its price is only $56 (the most available graphics card based on the GeForce FX chipset). nine0007

In conclusion of the review of the configuration features of our budget computer based on the new Celeron D processor, we would like to draw your attention to the disk subsystem and chassis. In order to keep the computer as balanced as possible, we chose the StepLight + case, which looks not much different from most modern low-cost cases, but has a number of interesting features.

First of all, we would like to note the location of the additional USB port on the front panel, which is not typical for cases of this class. nine0007

The internal construction of the housing is similar to what we have seen before. Here we want to note the ability to install up to four internal 3.5” devices, which will allow you to form multi-disk arrays.

And finally, the power supply. Despite the fact that the StepLight + case costs only $25, it is equipped with a 300W SPARKMAN power supply, which is also not typical of cases in this class.

As for the disk subsystem, our configuration uses a combined optical drive TEAC DW552 with a speed of 52/32/52+16, and a Seagate Barr 7200.7 hard drive with a capacity of 40 Gb or more. nine0007

Performance Study…

To study the performance of a budget Celeron D based computer, we used a traditional set of benchmarks to uncover the capabilities of various elements of the computer depending on the type of application and workload. We will compare the obtained results with the results obtained by installing the Pentium 4 2. 8C processor (Northwood, FSB 800MHz) on the test platform. This will allow you to evaluate how the new Celeron D is able to bring together the capabilities and performance of budget and top-end computers. nine0007

So, let’s start studying performance with the Cache Burst 32 test, which will allow us to compare the capabilities of the new cache memory subsystem and compare it with Pentium 4 2.8 C .

Throughput Celeron D

Throughput Pentium 4 2.8 C

In cache throughput tests, we see the positive impact of increased L1 and L2 caches in the Celeron D processor, improved cache organization and improved module predictions, which allowed this processor to achieve Pentium 4 2.8 C throughput with a slight advantage due to the increased bus frequency. For the same reasons, the throughput of the Celeron D is higher than that of the regular Celeron. nine0007

Now let’s move on to the PCMark 2004 test. Here we note some interesting points. First, the processing power of Celeron D is slightly behind the Pentium 4 2.8 C, which is primarily due to the increased frequency of the system bus. This is also the reason for the noticeable performance advance of the memory subsystem.

With a slight overclocking of the Celeron D, we managed to almost equalize the performance of the budget processor and the Pentium 4 2.8C.

For those of you who wish to study performance in various types of applications, we provide the following table:





Celeron D

Pentium 4 2.8 C

File Compression


4. 7


File Encryption




File Decompression




nine0005 Image Processing




Virus Scanning

1239. 4



Grammar Check



File Decryption




Audio Conversion



Web Page Rendering

4. 2


Pages / s

WMV Video Compression





DivX Video Compression




Physics Calculation and 3D




Graphics Memory — 64 lines

489. 8



File Compression




File Encryption




File Decompression




Image Processing


11. 1



Grammar Check




File Decryption





Audio Conversion




WMV Video Compression

40. 3




DivX Video Compression




The limited capabilities of the graphics card will allow you to better see the capabilities of the new Celeron D in DX9 applications.


Celeron D

Pentium 4 2.8 C

3DMark Score

853 3D Marks

848 3DMarks

GT1 — Wings of Fury

39. 0 fps

38.5 fps

GT2 — Battle of Proxycon

3.9 fps

3.9 fps

GT3 — Troll’s Lair

3.9 fps

3.8 fps

GT4 — Mother Nature

6.3 fps

6.3 fps

CPU Score

422 CPUMarks

459 CPUMarks

CPU Test 1

42. 5 fps

47.8 fps

CPU Test 2


8.7 fps

Fill Rate (Single-Texturing)

232.7 MTexels/s

232.7 MTexels/s

Fill Rate (Multi-Texturing)

603.4 MTexels/s

603.4 MTexels/s

Vertex Shader

6. 3 fps

6.6 fps

Pixel Shader 2.0

6.9 fps

6.9 fps




Note that the performance of Celeron D is almost on the same level as Pentium 4 2.8C, which allows us to conclude that when using a more powerful graphics card, the gaming capabilities of a computer based on Celeron D will be almost identical to Pentium 4 2.8C.


So, in conclusion of our review of the capabilities of the new Celeron D processor, we can assume that the transfer of the good old Celeron to a new basis made it possible to bring the capabilities and performance of budget and top-end computers as close as possible with significant money savings.