Over 1,000,000 CPUs benchmarked
The AMD Athlon II X4 651 Quad-Core is newer than Intel Core2 Quad Q8400 @ 2.66GHz also around 17% faster in multi-threaded (CPU Mark) testing, it is around 11% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1740 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
×Intel Core2 Quad Q8400 @ 2.66GHz | ×AMD Athlon II X4 651 Quad-Core | + ADD | |
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Socket Type | LGA775 | FM1 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 2.7 GHz | 3.0 GHz | |
Turbo Speed | Not Supported | Not Supported | |
# of Physical Cores | 4 (Threads: 4) | 4 (Threads: 4) | |
Cache | L1: 256KB, L2: 4.0MB, L3: 0MB | L1: 512KB, L2: 4.0MB, | |
TDP | 95W | 100W | |
Yearly Running Cost | $17.34 | $18.25 | |
Other | |||
First Seen on Chart | Q2 2009 | Q1 2012 | |
# of Samples | 1631 | 109 | |
CPU Value | 16.0 | 16.7 | |
Single Thread Rating(% diff. to max in group) | 1144(-11.2%) | 1287(0.0%) | |
CPU Mark(% diff. to max in group) | 2066(-17.4%) | 2500(0.0%) |
Intel Core2 Quad Q8400 @ 2.66GHz | 2,066 | |
AMD Athlon II X4 651 Quad-Core | 2,500 | |
PassMark Software © 2008-2024 |
Intel Core2 Quad Q8400 @ 2.66GHz | 16.0 | |
AMD Athlon II X4 651 Quad-Core | 16.7 | |
PassMark Software © 2008-2024 |
Intel Core2 Quad Q8400 @ 2.66GHz | 1,144 | |
AMD Athlon II X4 651 Quad-Core | 1,287 | |
PassMark Software © 2008-2024 |
Intel Core2 Quad Q8400 @ 2.66GHz | AMD Athlon II X4 651 Quad-Core | |
---|---|---|
Max TDP | 95W | 100W |
Power consumption per day (kWh) | NA | NA |
Running cost per day | NA | NA |
Power consumption per year (kWh) | NA | NA |
Running cost per year | NA | NA |