Intel Core2 Quad Q9400 @ 2.66GHz

Benchmarks for the Intel Core2 Quad Q9400 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Is the Intel Core2 Quad Q9400 @ 2.66GHz Good for Gaming?

This is a fairly old CPU that is no longer competitive with newer CPUs. [More ...]

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Intel Core2 Quad Q9400 @ 2.66GHz

Description:

Class: Desktop

Socket: LGA775

Clockspeed: 2.7 GHz

Cores: 4 Threads: 4

Typical TDP: 95 W

Cache per CPU Package:
L1 Instruction Cache: 4 x 32 KB
L1 Data Cache: 4 x 32 KB
L2 Cache: 2 x 3072 KB

Other names: Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz, Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz, Intel Core2 Quad CPU Q9400 @ 2.66GHz

CPU First Seen on Charts: Q4 2008

CPUmark/$Price: 85.58

Overall Rank:
3048th fastest in multithreading out of 5027 CPUs
3045th fastest in single threading out of 5027 CPUs
899th fastest in out of 1418 Desktop CPUs

Last Price Change: $25.05 USD (2024-10-03)

Average CPU Mark rating

Multithread Rating

2144

Single Thread Rating

1138

Samples: 2501*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 3,157
Thread: 1,114

CPU Test Suite Average Results for Intel Core2 Quad Q9400 @ 2.66GHz

Integer Math	10,130 MOps/Sec
Floating Point Math	5,639 MOps/Sec
Find Prime Numbers	9 Million Primes/Sec
Random String Sorting	6,142 Thousand Strings/Sec
Data Encryption	557.2 MBytes/Sec
Data Compression	46,485 KBytes/Sec
Physics	164 Frames/Sec
Extended Instructions	819 Million Matrices/Sec
Single Thread	1,138 MOps/Sec

From submitted results to PerformanceTest V10 as of 20th of March 2025.

CPU Mark Distribution for Intel Core2 Quad Q9400 @ 2.66GHz

Submitted Baseline Distribution Graph as of 15th of March 2025

From submitted results to PerformanceTest V10 as of 15th of March 2025.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

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Pricing History

CPU Mark Relative to Top 10 Common Desktop CPUs
As of 20th of March 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i9-13900K		58,775
Intel Core i9-12900K		41,331
AMD Ryzen 9 5900X		39,052
Intel Core i7-12700K		34,504
Apple M1 Max 10 Core 3200 MHz		22,125
AMD Ryzen 5 5600X		21,873
Intel Core i9-9900K @ 3.60GHz		18,201
AMD Ryzen 5 3600		17,719
Apple M2 8 Core 3500 MHz		15,629
Apple M1 8 Core 3200 MHz		14,145
Intel Core2 Quad Q9400 @ 2.66GHz		2,144

CPU Value (CPU Mark / $Price )
As of 20th of March 2025 - Higher results represent better value
Processor	CPU Mark / $Price
AMD Ryzen 5 3600		222.44
Intel Core i9-12900K		138.23
Intel Core i9-13900K		87.86
Intel Core2 Quad Q9400 @ 2.66GHz		85.58
Intel Core i7-12700K		84.36
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M1 Max 10 Core 3200 MHz		NA
AMD Ryzen 5 5600X		NA
AMD Ryzen 9 5900X		NA
Intel Core i9-9900K @ 3.60GHz		NA

Single Thread Rating
As of 20th of March 2025 - Higher results represent better performance
Processor	Average Thread Rating
Intel Core i9-13900K		4,612
Intel Core i9-12900K		4,144
Intel Core i7-12700K		4,019
Apple M2 8 Core 3500 MHz		3,901
Apple M1 Max 10 Core 3200 MHz		3,836
Apple M1 8 Core 3200 MHz		3,682
AMD Ryzen 9 5900X		3,470
AMD Ryzen 5 5600X		3,363
Intel Core i9-9900K @ 3.60GHz		2,923
AMD Ryzen 5 3600		2,564
Intel Core2 Quad Q9400 @ 2.66GHz		1,138

Last 5 Baselines for Intel Core2 Quad Q9400 @ 2.66GHz
Most recent listed first
Baseline	CPU Mark
BL2478528 - Mar 13 2025		3045
BL2469389 - Mar 09 2025		2505
BL2469368 - Mar 09 2025		2505
BL2469105 - Mar 09 2025		2907
BL2468480 - Mar 09 2025		2382

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for Intel Core2 Quad Q9400 @ 2.66GHz
As of 20th of March 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core2 Quad Q9400 @ 2.66GHz		2,144
AMD Phenom II X4 925 vs Intel Core2 Quad Q9400		2,277 (+6.2%)
AMD Phenom II X4 920 vs Intel Core2 Quad Q9400		2,181 (+1.8%)
AMD Phenom 9550 Quad-Core vs Intel Core2 Quad Q9400		1,656 (-22.7%)
AMD FX-4100 Quad-Core vs Intel Core2 Quad Q9400		2,616 (+22.1%)
AMD Phenom II X4 830 vs Intel Core2 Quad Q9400		2,072 (-3.4%)
AMD Athlon II X4 600e vs Intel Core2 Quad Q9400		1,795 (-16.3%)
AMD Phenom II X4 955 vs Intel Core2 Quad Q9400		2,534 (+18.2%)
AMD Phenom II X4 840 vs Intel Core2 Quad Q9400		2,425 (+13.1%)
AMD Phenom II X4 945 vs Intel Core2 Quad Q9400		2,410 (+12.4%)
AMD Athlon II X3 450 vs Intel Core2 Quad Q9400		1,869 (-12.8%)
AMD A6-3620 APU vs Intel Core2 Quad Q9400		1,869 (-12.8%)
AMD Athlon II X3 445 vs Intel Core2 Quad Q9400		1,820 (-15.1%)

Is the Intel Core2 Quad Q9400 @ 2.66GHz Good for Gaming?
As of 20th of March 2025 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 7 9800X3D		12,193
AMD Ryzen 9 9950X3D		11,376
AMD Ryzen 9 7900X3D		10,857
AMD Ryzen 5 7600X3D		10,579
Intel Core Ultra 9 285K		10,561
AMD Ryzen 7 7800X3D		10,297
AMD Ryzen 9 7950X3D		9,827
Intel Core Ultra 5 245K		9,711
AMD Ryzen 9 9900X3D		9,624
Intel Core Ultra 5 235		9,500
Intel Core Ultra 7 265K		9,500
Intel Core Ultra 7 265KF		9,439
Intel Core2 Quad Q9400 @ 2.66GHz		163

CPU Benchmarks

CPU Benchmarks

Intel Core2 Quad Q9400 @ 2.66GHz

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CPU Test Suite Average Results for Intel Core2 Quad Q9400 @ 2.66GHz

CPU Mark Distribution for Intel Core2 Quad Q9400 @ 2.66GHz

Pricing History