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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.

×AMD Phenom II X4 820×AMD Phenom II X4 940+ ADD
Price$74.951$59.341
Socket TypeAM3AM2+
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP95W125W
Yearly Running Cost$17.34$22.81
First Seen on ChartQ4 2009Q1 2009
# of Samples207567
Single Thread Rating9771024
CPU Mark33933590

CPU Mark Rating
As of 19th of November 2019 - Higher results represent better performance
AMD Phenom II X4 820
3,393
AMD Phenom II X4 940
3,590
CPU Value (CPU Mark / $Price)
As of 19th of November 2019 - Higher results represent better value
AMD Phenom II X4 820
45.28
AMD Phenom II X4 940
60.51
CPU Single Thread Rating
As of 19th of November 2019 - Higher results represent better performance
AMD Phenom II X4 820
977
AMD Phenom II X4 940
1,024

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 820AMD Phenom II X4 940
Max TDP95W125W
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.