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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 920 vs AMD Athlon II X4 640

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

×AMD Phenom II X4 920×AMD Athlon II X4 640+ ADD
Price$27.89 BUY NOW!$29.95 BUY NOW!
Socket TypeAM2+AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP125W95W
Yearly Running Cost$22.81$17.34
First Seen on ChartQ1 2009Q2 2010
# of Samples1851604
Cross-Platform Rating49714699
Single Thread Rating10791224
CPU Mark20202161

CPU Mark Rating
As of 25th of May 2020 - Higher results represent better performance
AMD Phenom II X4 920
2,020
AMD Athlon II X4 640
2,161
CPU Value (CPU Mark / $Price)
As of 25th of May 2020 - Higher results represent better value
AMD Phenom II X4 920
72.41
AMD Athlon II X4 640
72.16
CPU Single Thread Rating
As of 25th of May 2020 - Higher results represent better performance
AMD Phenom II X4 920
1,079
AMD Athlon II X4 640
1,224

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 920AMD Athlon II X4 640
Max TDP125W95W
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.