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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X4 640 vs Intel Core i5-655K @ 3.20GHz

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

×AMD Athlon II X4 640×Intel Core i5-655K @ 3.20GHz+ ADD
Price$62.02
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$59.991
Socket TypeAM3LGA1156
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.2 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
Max TDP95W73W
Yearly Running Cost$17.34$13.32
First Seen on ChartQ2 2010Q2 2010
# of Samples164646
Cross-Platform Rating45720
Single Thread Rating12111446
CPU Mark21292017
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of February 2021 - Higher results represent better performance
AMD Athlon II X4 640
2,129
Intel Core i5-655K @ 3.20GHz
2,017
CPU Value (CPU Mark / $Price)
As of 25th of February 2021 - Higher results represent better value
AMD Athlon II X4 640
34.33
Intel Core i5-655K @ 3.20GHz
33.63
CPU Single Thread Rating
As of 25th of February 2021 - Higher results represent better performance
AMD Athlon II X4 640
1,211
Intel Core i5-655K @ 3.20GHz
1,446

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 Athlon II X4 640Intel Core i5-655K @ 3.20GHz
Max TDP95W73W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.