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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 Athlon II X4 635+ ADD
Price$74.951$69.951
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.9 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ4 2009Q1 2010
# of Samples207555
Single Thread Rating977988
CPU Mark33933231

CPU Mark Rating
As of 20th of November 2019 - Higher results represent better performance
AMD Phenom II X4 820
3,393
AMD Athlon II X4 635
3,231
CPU Value (CPU Mark / $Price)
As of 20th of November 2019 - Higher results represent better value
AMD Phenom II X4 820
45.28
AMD Athlon II X4 635
46.20
CPU Single Thread Rating
As of 20th of November 2019 - Higher results represent better performance
AMD Phenom II X4 820
977
AMD Athlon II X4 635
988

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 Athlon II X4 635
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.