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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: 16.06

Overall Rank:
3071st fastest in multithreading out of 5003 CPUs
3016th fastest in single threading out of 5003 CPUs
909th fastest in out of 1414 Desktop CPUs

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

Average CPU Mark rating
Multithread Rating
2069
Single Thread Rating
1141

Samples: 1648*
*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 Math9,900 MOps/Sec
Floating Point Math5,610 MOps/Sec
Find Prime Numbers7 Million Primes/Sec
Random String Sorting6,085 Thousand Strings/Sec
Data Encryption549.2 MBytes/Sec
Data Compression46,202 KBytes/Sec
Physics147 Frames/Sec
Extended Instructions811 Million Matrices/Sec
Single Thread1,141 MOps/Sec
From submitted results to PerformanceTest V10 as of 25th of February 2025.

CPU Mark Distribution for Intel Core2 Quad Q8400 @ 2.66GHz

Submitted Baseline Distribution Graph as of 22nd of February 2025
From submitted results to PerformanceTest V10 as of 22nd of February 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 26th of February 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-13900K
 58,851
Intel Core i9-12900K
 41,375
AMD Ryzen 9 5900X
 39,063
Intel Core i7-12700K
 34,549
Apple M1 Max 10 Core 3200 MHz
 22,115
AMD Ryzen 5 5600X
 21,877
Intel Core i9-9900K @ 3.60GHz
 18,205
AMD Ryzen 5 3600
 17,722
Apple M2 8 Core 3500 MHz
 15,622
Apple M1 8 Core 3200 MHz
 14,147
Intel Core2 Quad Q8400 @ 2.66GHz
 2,069
CPU Value (CPU Mark / $Price )
As of 26th of February 2025 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 5600X
 218.79
AMD Ryzen 5 3600
 196.93
AMD Ryzen 9 5900X
 149.67
Intel Core i9-12900K
 139.78
Intel Core i9-13900K
 120.11
Intel Core i7-12700K
 84.47
Intel Core i9-9900K @ 3.60GHz
 49.34
Intel Core2 Quad Q8400 @ 2.66GHz
 16.06
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 26th of February 2025 - Higher results represent better performance
Processor Average Thread Rating
Intel Core i9-13900K
 4,615
Intel Core i9-12900K
 4,149
Intel Core i7-12700K
 4,023
Apple M2 8 Core 3500 MHz
 3,902
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 Q8400 @ 2.66GHz
 1,141
Last 5 Baselines for Intel Core2 Quad Q8400 @ 2.66GHz
Most recent listed first
Baseline CPU Mark
BL2418825 - Feb 16 2025
2203
BL2408495 - Feb 12 2025
2450
BL2398572 - Feb 08 2025
2813
BL2377918 - Jan 30 2025
2287
BL2366804 - Jan 25 2025
2338
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 26th of February 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core2 Quad Q8400 @ 2.66GHz
 2,069
AMD Phenom II X4 910 vs Intel Core2 Quad Q8400
 1,776 (-14.2%)
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 (+1.4%)
AMD Athlon II X3 435 vs Intel Core2 Quad Q8400
 1,625 (-21.5%)
AMD Phenom II X4 955 vs Intel Core2 Quad Q8400
 2,531 (+22.3%)
AMD Athlon II X4 651 Quad-Core vs Intel Core2 Quad Q8400
 2,500 (+20.8%)
Intel Core i5-660 @ 3.33GHz vs Intel Core2 Quad Q8400
 2,411 (+16.5%)
AMD Phenom II X4 945 vs Intel Core2 Quad Q8400
 2,406 (+16.3%)
AMD A6-3650 APU vs Intel Core2 Quad Q8400
 2,086 (+0.8%)
Intel Core2 Quad Q8300 @ 2.50GHz vs Intel Core2 Quad Q8400
 1,901 (-8.1%)
AMD Athlon 5350 APU vs Intel Core2 Quad Q8400
 1,790 (-13.5%)
AMD Phenom II X4 805 vs Intel Core2 Quad Q8400
 1,959 (-5.3%)

Is the Intel Core2 Quad Q8400 @ 2.66GHz Good for Gaming?
As of 26th of February 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 7 9800X3D
 12,192
AMD Ryzen 9 7900X3D
 10,869
AMD Ryzen 5 7600X3D
 10,595
Intel Core Ultra 9 285K
 10,573
AMD Ryzen 7 7800X3D
 10,301
AMD Ryzen 9 7950X3D
 9,840
Intel Core Ultra 5 245K
 9,565
Intel Core Ultra 7 265K
 9,540
Intel Core Ultra 7 265KF
 9,366
Intel Core Ultra 5 245KF
 9,183
Intel Core Ultra 9 285
 9,127
Intel Core Ultra 5 235
 9,021
Intel Core2 Quad Q8400 @ 2.66GHz
 155