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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-655K @ 3.20GHz vs AMD Athlon II X4 645

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


×Intel Core i5-655K @ 3.20GHz×AMD Athlon II X4 645+ ADD
Price$59.991$69.95
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Socket TypeLGA1156AM3
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.1 GHz
Turbo SpeedUp to 3.5 GHzNot Supported
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
Max TDP73W95W
Yearly Running Cost$13.32$17.34
First Seen on ChartQ2 2010Q4 2010
# of Samples46551
Cross-Platform Rating04363
Single Thread Rating14461226
CPU Mark20172129
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of August 2020 - Higher results represent better performance
Intel Core i5-655K @ 3.20GHz
 2,017
AMD Athlon II X4 645
 2,129
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 6th of August 2020 - Higher results represent better value
Intel Core i5-655K @ 3.20GHz
 33.63
AMD Athlon II X4 645
 30.43
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 6th of August 2020 - Higher results represent better performance
Intel Core i5-655K @ 3.20GHz
 1,446
AMD Athlon II X4 645
 1,226
PassMark Software © 2008-2020

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.
Intel Core i5-655K @ 3.20GHzAMD Athlon II X4 645
Max TDP73W95W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
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Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.