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Intel Core 2 Quad Q9400 vs Intel Core 2 Extreme QX9650
- Main
- CPU Comparison
 / 
 / 
Overall rating
Issued
Q3/2008
Issued
Q4/2007
Overall rating
What is better to choose Intel Core 2 Quad Q9400 or Intel Core 2 Extreme QX9650?
We have prepared a comparison to help you choose the best processor. Compare their characteristics and benchmark results.
Intel Core 2 Quad Q9400 has a maximum frequency of 2.66 GHz. 4 cores. Power consumption 95 W. Released Q3/2008.
Intel Core 2 Extreme QX9650 has a maximum frequency of 3.00 GHz. 4 cores. Power consumption 130 W. Released Q4/2007.
Differences
Characteristics
Benchmarks (tests)
Reviews
Differences
Reasons to choose
Intel Core 2 Quad Q9400
Report a bug
Positions in benchmark results
General positions of Intel Core 2 Quad Q9400 CPU in popular benchmarks to compare with other models.
-
Geekbench 5, 64bit (Single-Core)
1265 place
-
Geekbench 5, 64bit (Multi-Core)
1255 place
-
Estimated results for PassMark CPU Mark
1203 place
Reasons to choose
Intel Core 2 Extreme QX9650
Report a bug
Positions in benchmark results
General positions of Intel Core 2 Extreme QX9650 CPU in popular benchmarks, for comparison with other models.
-
Geekbench 5, 64bit (Single-Core)
1207 place
-
Geekbench 5, 64bit (Multi-Core)
1086 place
-
Estimated results for PassMark CPU Mark
1149 place
Characteristics
Technical data
Intel Core 2 Quad Q9400
Intel Core 2 Extreme QX9650
CPU group and family
Reference information on compared processors, series, generation and market segment.
CPU specifications
Basic parameters such as number of cores, number of threads, base and turbo frequency, cache size. These parameters indirectly speak about the speed of the processor, the higher they are, the better.
-
Frequency
2.66GHz 3.00GHz
-
CPU Cores
4 4
-
Turbo (1 Core)
No No
-
Threads
4 4
-
Turbo (2 Cores)
no turbo no turbo
-
Hypertrading
No No
-
Acceleration
No Yes
-
Kernel architecture
normal normal
RAM & PCI specifications
Types, number of channels of RAM supported by Intel Core 2 Extreme QX9650 and Intel Core 2 Quad Q9400. Higher or lower memory frequencies may be supported depending on motherboards.
Encryption
-
AES-NI
No No
Power Consumption
Compare the TDP requirements of Intel Core 2 Quad Q9400 and Intel Core 2 Extreme QX9650 for cooling system selection. The TDP value refers to thermal watts, not electrical watts.
Technologies and extensions
Architecture, interfaces, instruction sets supported by Intel Core 2 Quad Q9400 and Intel Core 2 Quad Q9400, virtualization technology and process technology.
-
Instruction set (ISA)
x86-64 (64 bit) x86-64 (64 bit)
-
Virtualization
VT-x, VT-d VT-x, VT-d
-
ISA Extensions
MMX, SSE2, SSE3, SSE4.1 MMX, SSE2, SSE3, SSE4.1
-
Cash L2
6.
00MB 12.00MB
-
Cash L3
No No
-
Architecture
Yorkfield Yorkfield
-
Tech. process
45 nm 45 nm
-
Socket
LGA 775 LGA 775
-
Issue
Q3/2008 Q4/2007
Benchmarks (tests)
Performance tests CPUs
Based on the results of several benchmarks, you can more accurately assess the performance difference between the Intel Core 2 Quad Q9400 and the Intel Core 2 Extreme QX9650.
Compare synthetic benchmarks and choose the best processor!
Geekbench 5, 64bit (Single-Core)
Geekbench 5 SC is a popular cross-platform benchmark for desktop or mobile processors that is memory intensive.
Intel Core 2 Quad Q9400
Intel Core 2 Extreme QX9650
Geekbench 5, 64bit (Multi-Core)
Geekbench 5 MC is a popular cross-platform benchmark for desktop or mobile processors that is memory intensive and multi-threaded.
Intel Core 2 Quad Q9400
Intel Core 2 Extreme QX9650
Estimated results for PassMark CPU Mark physics.
Intel Core 2 Quad Q9400
Intel Core 2 Extreme QX9650
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Processor Intel Core2 Quad Q9450
Home / Processors / Intel Core2 Quad Q9450
- Edelmark rating — 3.
9 out of 10;
- Release date: January, 2008;
- Number of cores: 4;
- Frequency: 2.66 GHz;
- Power consumption (TDP): 95W;
Specifications Intel Core2 Quad Q9450
General parameters
Clock frequency | 2.66 GHz |
---|---|
Cores | 4 |
Socket | LGA 775 |
Functions
NX-bit (XD-bit) available | Yes |
---|---|
Trusted computing support | Yes |
Virtualization support | Yes |
Instructions supported | MMX SSE SSE2 SSE4.1 SSE3 Supplemental SSE3 |
Support for dynamic frequency scaling (CPU Throttling) | Yes |
Power consumption
Power consumption | 95W |
---|---|
Annual cost of electricity (NON-commercial use) | $22.![]() |
Annual cost of electricity (commercial use) | 83.22 $/year |
Output per W | 1.33pt/W |
Average energy consumption | 77.19W |
Bus
Architecture | FSB |
---|---|
Clock frequency | 1.333MHz |
Parts and features
Architecture | x86-64 |
---|---|
Threads | 4 |
Second level cache (L2) | 12MB |
Second level cache per core (L2) | 3 MB/core |
Process | 45 nm |
Number of transistors | 820,000,000 |
Maximum processors | 1 |
Processor multiplier | 8 |
Voltage range | 0.85 — 1.36V |
Operating temperature | Unknown — 71.![]() |
Overclocking Core2 Quad Q9450
Overclocking Clock | 3.71 GHz |
---|---|
Water-cooled boost clock | 2.67 GHz |
Air cooled boost clock | 3.71 GHz |
Integrated (integrated) graphics
Graphics core | No |
---|---|
Brand | No |
Latest DirectX | No |
Number of displays supported | No |
Graphics core clock speed | No |
Maximum clock frequency | No |
3DMark06 | No |
Comparison Core2 Quad Q9450 with similar processors
Performance
Performance using all cores.
Core2 Quad Q9450 | 4.![]() |
---|---|
Core2 Quad Q6600 | 4.1 out of 10 |
Core2 Quad Q9400 | 4.3 out of 10 |
Performance per core
Base performance per processor core.
Core2 Quad Q9450 | 3.8 out of 10 |
---|---|
Core2 Quad Q6600 | 3.2 out of 10 |
Core2 Quad Q9400 | 3.7 out of 10 |
Integrated Graphics
Integrated GPU performance for graphics tasks.
Core2 Quad Q9450 | 0.0 out of 10 |
---|---|
Core2 Quad Q6600 | 0.0 out of 10 |
Core2 Quad Q9400 | 0.0 out of 10 |
Integrated graphics (OpenCL)
Integrated GPU performance for parallel computing.
Core2 Quad Q9450 | 0.0 out of 10 |
---|---|
Core2 Quad Q6600 | 0.0 out of 10 |
Core2 Quad Q9400 | 0.0 out of 10 |
Performance per W
How efficiently the processor uses electricity.
Core2 Quad Q9450 | 4.7 out of 10 |
---|---|
Core2 Quad Q6600 | 4.4 out of 10 |
Core2 Quad Q9400 | 4.7 out of 10 |
Price-performance ratio
How much you overpay for performance.
Core2 Quad Q9450 | n/a |
---|---|
Core2 Quad Q6600 | n/a |
Core2 Quad Q9400 | n/a |
Total Edelmark rating
Total processor rating.
Core2 Quad Q9450 | 3.9 out of 10 |
---|---|
Core2 Quad Q6600 | 3.6 out of 10 |
Core2 Quad Q9400 | 3.9 out of 10 |
Benchmarks Core2 Quad Q9450
CompuBench 1.5 (Ocean surface simulation)
Core2 Quad Q9450 | 30.86 fps |
---|---|
Core2 Quad Q6600 | n/a |
Core2 Quad Q9400 | n/a |
CompuBench 1.
5 (T-Rex)
Core2 Quad Q9450 | 0.18 fps |
---|---|
Core2 Quad Q6600 | n/a |
Core2 Quad Q9400 | n/a |
GeekBench 3 (Multi-core)
Core2 Quad Q9450 | 5.261 |
---|---|
Core2 Quad Q6600 | 4.490 |
Core2 Quad Q9400 | 5.123 |
GeekBench 3 (Single Core)
Core2 Quad Q9450 | 1.535 |
---|---|
Core2 Quad Q6600 | 1.306 |
Core2 Quad Q9400 | 1.490 |
GeekBench 3 (AES single core)
Core2 Quad Q9450 | 115,000 MB/s |
---|---|
Core2 Quad Q6600 | 102,800 MB/s |
Core2 Quad Q9400 | 114,000 MB/s |
GeekBench (32-bit)
Core2 Quad Q9450 | 4.892 |
---|---|
Core2 Quad Q6600 | 4.![]() |
Core2 Quad Q9400 | 4.796 |
PassMark
Core2 Quad Q9450 | 3.779 |
---|---|
Core2 Quad Q6600 | 2.970 |
Core2 Quad Q9400 | 3.379 |
PassMark (Single Core)
Core2 Quad Q9450 | 1.133 |
---|---|
Core2 Quad Q6600 | 924 |
Core2 Quad Q9400 | 1.130 |
Video Reviews
Intel Core 2 Quad Q9450 — Code Name Yorkfield — In 2017
Test Core 2 Quad Q9650 and GTX 1050 in 15 games
Core2 Quad Q9450 reviews
I bought it when it first came out.
And I still sit on it)))) More than 10 years. True, I will already take 8700k for ng, it’s time for an upgrade. By the way, the build quality is excellent. Due to my youth and stupidity, I did not know what thermal paste was for, and after disassembling the computer for cleaning, I also wiped the thermal paste. And he worked for me without thermal paste for 6-7 years. Only a year ago, when I became interested in hardware, I decided to see what, in fact, was the temperature of my processor. It turned out he was in idle time with a permanent 100 degrees. For 6-7 years. Under the box cooler. Without thermal paste. And all this time he worked! I played a bunch of games, cruises 1,2,3, gta4, fallouts, code and so on. And all this time he was working, and I was playing at high-maximum. Here is the quality. Not what it is now, thermoconcha and textolite …
I stumbled upon this video, went down to the comments to neigh, and then this …
As if on the console, your BF V will run on low-medium settings, without anti-aliasing, and there will be no more than 30 fps.After all, even in BF 4 30 fps. So I won’t be surprised if this 2007 stone at the same low-medium settings without anti-aliasing pulls 30 fps.
In general, I have an ancient computer, with gtx 760 (2013) and Core i7-3770K (2012) it will pull your vaunted battle at medium settings of 60 fps. But this assembly is the same as PS 4. 5 years have passed, and it still pulls all outgoing games at 60 fps in full HD, albeit not at maximum settings (well, on consoles, they are even less than + 30 fps 😀 ).
Good evening, it’s strange that the Quad 9300 is so weak, I have a Core 2 Duo E8500 + GTX 1050 (2Gb) assembly from gigabit with additional. powered by 6 pin, DOOM 2017 is running at FULL HD resolution with high graphics settings, with 8 GB of RAM. Just I want to get Q9400 (for the sake of sports interest). Also, Battlefield 1 goes on high with smoothing. For the sake of interest, I will install GTA 5. I also tested Rise of Tomb Raider: everything is also on high with smoothing, everything flies and there are no drawdowns.