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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 925 vs Intel Core2 Quad Q8400 @ 2.66GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

×AMD Phenom II X4 925×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
Price$29.951$21.241
Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ1 2009Q2 2009
# of Samples5281436
Cross-Platform Rating50754732
Single Thread Rating11401148
CPU Mark21182003
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of August 2020 - Higher results represent better performance
AMD Phenom II X4 925
2,118
Intel Core2 Quad Q8400 @ 2.66GHz
2,003
CPU Value (CPU Mark / $Price)
As of 7th of August 2020 - Higher results represent better value
AMD Phenom II X4 925
70.72
Intel Core2 Quad Q8400 @ 2.66GHz
94.28
CPU Single Thread Rating
As of 7th of August 2020 - Higher results represent better performance
AMD Phenom II X4 925
1,140
Intel Core2 Quad Q8400 @ 2.66GHz
1,148

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
AMD Phenom II X4 925Intel Core2 Quad Q8400 @ 2.66GHz
Max TDP95W95W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.