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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: 86.00

Overall Rank:
3242nd fastest in multithreading out of 5268 CPUs
3217th fastest in single threading out of 5268 CPUs
928th fastest in out of 1451 Desktop CPUs

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

Average CPU Mark rating
Multithread Rating
2154
Single Thread Rating
1139

Samples: 2531*
*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 Math10,163 MOps/Sec
Floating Point Math5,645 MOps/Sec
Find Prime Numbers10 Million Primes/Sec
Random String Sorting6,137 Thousand Strings/Sec
Data Encryption560.4 MBytes/Sec
Data Compression46,535 KBytes/Sec
Physics165 Frames/Sec
Extended Instructions826 Million Matrices/Sec
Single Thread1,139 MOps/Sec
From submitted results to PerformanceTest V10 as of 11th of July 2025.

CPU Mark Distribution for Intel Core2 Quad Q9400 @ 2.66GHz

Submitted Baseline Distribution Graph as of 9th of July 2025
From submitted results since PerformanceTest V10 as of 9th of July 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 11th of July 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-13900K
58,630
AMD Ryzen 9 5900X
39,011
Intel Core i7-12700K
34,437
Apple M1 Max 10 Core 3200 MHz
22,146
AMD Ryzen 5 5600X
21,859
Intel Core i5-12400F
19,491
Intel Core i9-9900K @ 3.60GHz
18,159
AMD Ryzen 5 3600
17,702
Apple M2 8 Core 3500 MHz
15,654
Apple M1 8 Core 3200 MHz
14,147
Intel Core2 Quad Q9400 @ 2.66GHz
2,154
CPU Value (CPU Mark / $Price )
As of 11th of July 2025 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 3600
228.15
Intel Core i9-13900K
173.47
Intel Core i5-12400F
168.97
AMD Ryzen 9 5900X
151.27
AMD Ryzen 5 5600X
136.62
Intel Core2 Quad Q9400 @ 2.66GHz
86.00
Intel Core i7-12700K
84.20
Intel Core i9-9900K @ 3.60GHz
49.35
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 11th of July 2025 - Higher results represent better performance
Processor Average Thread Rating
Intel Core i9-13900K
4,610
Intel Core i7-12700K
4,014
Apple M2 8 Core 3500 MHz
3,899
Apple M1 Max 10 Core 3200 MHz
3,836
Apple M1 8 Core 3200 MHz
3,680
Intel Core i5-12400F
3,477
AMD Ryzen 9 5900X
3,469
AMD Ryzen 5 5600X
3,364
Intel Core i9-9900K @ 3.60GHz
2,920
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
BL2731662 - Jun 30 2025
3112
BL2705522 - Jun 18 2025
2362
BL2689566 - Jun 11 2025
2780
BL2680932 - Jun 08 2025
2266
BL2680896 - Jun 07 2025
2334
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 11th of July 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core2 Quad Q9400 @ 2.66GHz
2,154
AMD Phenom II X4 925 vs Intel Core2 Quad Q9400
2,254 (+4.6%)
AMD Phenom II X4 920 vs Intel Core2 Quad Q9400
2,181 (+1.3%)
AMD Phenom 9550 Quad-Core vs Intel Core2 Quad Q9400
1,664 (-22.7%)
AMD Phenom II X4 830 vs Intel Core2 Quad Q9400
2,072 (-3.8%)
AMD Athlon II X4 600e vs Intel Core2 Quad Q9400
1,795 (-16.7%)
AMD Phenom II X4 955 vs Intel Core2 Quad Q9400
2,537 (+17.8%)
AMD Phenom II X4 840 vs Intel Core2 Quad Q9400
2,435 (+13.0%)
AMD Phenom II X4 945 vs Intel Core2 Quad Q9400
2,414 (+12.1%)
AMD Athlon II X3 450 vs Intel Core2 Quad Q9400
1,872 (-13.1%)
AMD A6-3620 APU vs Intel Core2 Quad Q9400
1,869 (-13.3%)
AMD Athlon II X3 445 vs Intel Core2 Quad Q9400
1,804 (-16.2%)
AMD A6-3600 APU vs Intel Core2 Quad Q9400
1,697 (-21.2%)

Is the Intel Core2 Quad Q9400 @ 2.66GHz Good for Gaming?
As of 11th of July 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9900X3D
12,433
AMD Ryzen 7 9800X3D
12,145
AMD Ryzen 9 9950X3D
11,284
AMD Ryzen 9 7900X3D
10,836
Intel Core Ultra 9 285K
10,574
AMD Ryzen 5 7600X3D
10,480
AMD Ryzen 7 7800X3D
10,276
AMD Ryzen 9 9955HX3D
9,909
AMD Ryzen 9 7950X3D
9,800
Intel Core Ultra 5 245K
9,637
Intel Core Ultra 7 265K
9,529
Intel Core Ultra 9 285
9,450
Intel Core2 Quad Q9400 @ 2.66GHz
164