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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 ...]


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: 85.89

Overall Rank:
3134th fastest in multithreading out of 5126 CPUs
3125th fastest in single threading out of 5126 CPUs
924th fastest in out of 1446 Desktop CPUs

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

Average CPU Mark rating
Multithread Rating
2152
Single Thread Rating
1139

Samples: 2525*
*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 Math10,155 MOps/Sec
Floating Point Math5,643 MOps/Sec
Find Prime Numbers10 Million Primes/Sec
Random String Sorting6,134 Thousand Strings/Sec
Data Encryption559.5 MBytes/Sec
Data Compression46,501 KBytes/Sec
Physics165 Frames/Sec
Extended Instructions824 Million Matrices/Sec
Single Thread1,139 MOps/Sec
From submitted results to PerformanceTest V10 as of 22nd of May 2025.

CPU Mark Distribution for Intel Core2 Quad Q9400 @ 2.66GHz

Submitted Baseline Distribution Graph as of 21st of May 2025
From submitted results since PerformanceTest V10 as of 21st of May 2025.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

Search for Intel Core2 Quad Q9400 @ 2.66GHz
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Pricing History


CPU Mark Relative to Top 10 Common Desktop CPUs
As of 22nd of May 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-13900K
 58,697
Intel Core i9-12900K
 41,312
AMD Ryzen 9 5900X
 39,032
Apple M1 Max 10 Core 3200 MHz
 22,138
AMD Ryzen 5 5600X
 21,861
Intel Core i5-12400F
 19,475
Intel Core i9-9900K @ 3.60GHz
 18,174
AMD Ryzen 5 3600
 17,708
Apple M2 8 Core 3500 MHz
 15,652
Apple M1 8 Core 3200 MHz
 14,146
Intel Core2 Quad Q9400 @ 2.66GHz
 2,152
CPU Value (CPU Mark / $Price )
As of 22nd of May 2025 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 3600
 233.04
Intel Core i5-12400F
 178.68
AMD Ryzen 9 5900X
 163.35
AMD Ryzen 5 5600X
 161.93
Intel Core i9-13900K
 158.64
Intel Core i9-12900K
 138.63
Intel Core2 Quad Q9400 @ 2.66GHz
 85.89
Intel Core i9-9900K @ 3.60GHz
 51.93
Apple M1 8 Core 3200 MHz
 NA
Apple M2 8 Core 3500 MHz
 NA
Apple M1 Max 10 Core 3200 MHz
 NA
Single Thread Rating
As of 22nd of May 2025 - Higher results represent better performance
Processor Average Thread Rating
Intel Core i9-13900K
 4,611
Intel Core i9-12900K
 4,140
Apple M2 8 Core 3500 MHz
 3,902
Apple M1 Max 10 Core 3200 MHz
 3,836
Apple M1 8 Core 3200 MHz
 3,681
Intel Core i5-12400F
 3,478
AMD Ryzen 9 5900X
 3,470
AMD Ryzen 5 5600X
 3,363
Intel Core i9-9900K @ 3.60GHz
 2,921
AMD Ryzen 5 3600
 2,563
Intel Core2 Quad Q9400 @ 2.66GHz
 1,139
Last 5 Baselines for Intel Core2 Quad Q9400 @ 2.66GHz
Most recent listed first
Baseline CPU Mark
BL2633785 - May 18 2025
2275
BL2622202 - May 13 2025
2129
BL2607838 - May 07 2025
2406
BL2606021 - May 06 2025
2329
BL2600860 - May 04 2025
2807
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 22nd of May 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core2 Quad Q9400 @ 2.66GHz
 2,152
AMD Phenom II X4 925 vs Intel Core2 Quad Q9400
 2,277 (+5.8%)
AMD Phenom II X4 920 vs Intel Core2 Quad Q9400
 2,181 (+1.4%)
AMD Phenom 9550 Quad-Core vs Intel Core2 Quad Q9400
 1,672 (-22.3%)
AMD Phenom II X4 830 vs Intel Core2 Quad Q9400
 2,072 (-3.7%)
AMD Athlon II X4 600e vs Intel Core2 Quad Q9400
 1,795 (-16.6%)
AMD Phenom II X4 955 vs Intel Core2 Quad Q9400
 2,536 (+17.9%)
AMD Phenom II X4 945 vs Intel Core2 Quad Q9400
 2,412 (+12.1%)
AMD A6-3620 APU vs Intel Core2 Quad Q9400
 1,869 (-13.1%)
AMD Athlon II X3 445 vs Intel Core2 Quad Q9400
 1,804 (-16.1%)
AMD A6-3600 APU vs Intel Core2 Quad Q9400
 1,697 (-21.1%)
AMD Phenom 9500 Quad-Core vs Intel Core2 Quad Q9400
 1,564 (-27.3%)
AMD Athlon II X3 455 vs Intel Core2 Quad Q9400
 1,915 (-11.0%)

Is the Intel Core2 Quad Q9400 @ 2.66GHz Good for Gaming?
As of 22nd of May 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9900X3D
 12,499
AMD Ryzen 7 9800X3D
 12,156
AMD Ryzen 9 9950X3D
 11,332
AMD Ryzen 9 7900X3D
 10,845
Intel Core Ultra 9 285K
 10,595
AMD Ryzen 5 7600X3D
 10,511
AMD Ryzen 7 7800X3D
 10,282
AMD Ryzen 9 7950X3D
 9,809
Intel Core Ultra 5 245K
 9,684
Intel Core Ultra 7 265K
 9,520
Intel Core Ultra 9 285
 9,446
Intel Core Ultra 7 265KF
 9,426
Intel Core2 Quad Q9400 @ 2.66GHz
 164