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Intel Core2 Quad Q8400 @ 2.66GHz

Benchmarks for the Intel Core2 Quad Q8400 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 Q8400 @ 2.66GHz Good for Gaming?

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


Intel Core2 Quad Q8400 @ 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 2048 KB

Other names: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz, Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz, Intel Core2 Quad CPU Q8400 @ 2.66GHz

CPU First Seen on Charts: Q2 2009

CPUmark/$Price: 16.05

Overall Rank:
3104th fastest in multithreading out of 5039 CPUs
3046th fastest in single threading out of 5039 CPUs
917th fastest in out of 1422 Desktop CPUs

Last Price Change: $128.88 USD (2021-01-23)

Average CPU Mark rating
Multithread Rating
2068
Single Thread Rating
1141

Samples: 1652*
*Margin for error: Low



PerformanceTest V9
CPU Mark: 3,007
Thread: 1,101

CPU Test Suite Average Results for Intel Core2 Quad Q8400 @ 2.66GHz

Integer Math9,903 MOps/Sec
Floating Point Math5,608 MOps/Sec
Find Prime Numbers7 Million Primes/Sec
Random String Sorting6,072 Thousand Strings/Sec
Data Encryption549.0 MBytes/Sec
Data Compression46,113 KBytes/Sec
Physics147 Frames/Sec
Extended Instructions811 Million Matrices/Sec
Single Thread1,141 MOps/Sec
From submitted results to PerformanceTest V10 as of 1st of April 2025.

CPU Mark Distribution for Intel Core2 Quad Q8400 @ 2.66GHz

Submitted Baseline Distribution Graph as of 30th of March 2025
From submitted results to PerformanceTest V10 as of 30th of March 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 Q8400 @ 2.66GHz
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Pricing History


CPU Mark Relative to Top 10 Common Desktop CPUs
As of 1st of April 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-13900K
 58,755
Intel Core i9-12900K
 41,336
AMD Ryzen 9 5900X
 39,048
Intel Core i7-12700K
 34,491
Apple M1 Max 10 Core 3200 MHz
 22,126
AMD Ryzen 5 5600X
 21,868
Intel Core i9-9900K @ 3.60GHz
 18,196
AMD Ryzen 5 3600
 17,717
Apple M2 8 Core 3500 MHz
 15,640
Apple M1 8 Core 3200 MHz
 14,146
Intel Core2 Quad Q8400 @ 2.66GHz
 2,068
CPU Value (CPU Mark / $Price )
As of 1st of April 2025 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 3600
 224.27
Intel Core i9-13900K
 112.99
Intel Core i7-12700K
 84.33
Intel Core2 Quad Q8400 @ 2.66GHz
 16.05
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
Intel Core i9-12900K
 NA
Single Thread Rating
As of 1st of April 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
 4,018
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
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 Q8400 @ 2.66GHz
 1,141
Last 5 Baselines for Intel Core2 Quad Q8400 @ 2.66GHz
Most recent listed first
Baseline CPU Mark
BL2515240 - Mar 28 2025
1719
BL2487884 - Mar 17 2025
2151
BL2478103 - Mar 13 2025
1785
BL2475945 - Mar 12 2025
2329
BL2446782 - Feb 28 2025
2836
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for Intel Core2 Quad Q8400 @ 2.66GHz
As of 1st of April 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core2 Quad Q8400 @ 2.66GHz
 2,068
AMD Phenom II X4 910 vs Intel Core2 Quad Q8400
 1,776 (-14.1%)
AMD Phenom 9850 Quad-Core vs Intel Core2 Quad Q8400
 1,712 (-17.2%)
Intel Core2 Quad Q6700 @ 2.66GHz vs Intel Core2 Quad Q8400
 2,099 (+1.5%)
AMD Athlon II X3 435 vs Intel Core2 Quad Q8400
 1,625 (-21.4%)
Intel Core i5-750 @ 2.67GHz vs Intel Core2 Quad Q8400
 2,537 (+22.7%)
AMD Phenom II X4 955 vs Intel Core2 Quad Q8400
 2,534 (+22.5%)
AMD Athlon II X4 651 Quad-Core vs Intel Core2 Quad Q8400
 2,443 (+18.1%)
Intel Core i5-660 @ 3.33GHz vs Intel Core2 Quad Q8400
 2,416 (+16.8%)
AMD Phenom II X4 945 vs Intel Core2 Quad Q8400
 2,410 (+16.5%)
Intel Core2 Quad Q9550 @ 2.83GHz vs Intel Core2 Quad Q8400
 2,350 (+13.6%)
AMD A6-3650 APU vs Intel Core2 Quad Q8400
 2,086 (+0.8%)
Intel Core2 Quad Q8300 @ 2.50GHz vs Intel Core2 Quad Q8400
 1,903 (-8.0%)

Is the Intel Core2 Quad Q8400 @ 2.66GHz Good for Gaming?
As of 1st of April 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9900X3D
 12,366
AMD Ryzen 7 9800X3D
 12,189
AMD Ryzen 9 9950X3D
 11,364
AMD Ryzen 9 7900X3D
 10,857
Intel Core Ultra 9 285K
 10,598
AMD Ryzen 5 7600X3D
 10,539
AMD Ryzen 7 7800X3D
 10,295
AMD Ryzen 9 7950X3D
 9,822
Intel Core Ultra 5 245K
 9,702
Intel Core Ultra 7 265K
 9,533
Intel Core Ultra 5 235
 9,449
Intel Core Ultra 7 265KF
 9,442
Intel Core2 Quad Q8400 @ 2.66GHz
 155