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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 820 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 Phenom II X4 820×Intel Core i5-655K @ 3.20GHz+ ADD
Price$74.951$59.991
Socket TypeAM3LGA1156
CPU ClassDesktopDesktop
Clockspeed2.8 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 ChartQ4 2009Q2 2010
# of Samples21146
Cross-Platform Rating51370
Single Thread Rating11371484
CPU Mark21001999
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 31st of May 2020 - Higher results represent better performance
AMD Phenom II X4 820
2,100
Intel Core i5-655K @ 3.20GHz
1,999
CPU Value (CPU Mark / $Price)
As of 31st of May 2020 - Higher results represent better value
AMD Phenom II X4 820
28.02
Intel Core i5-655K @ 3.20GHz
33.33
CPU Single Thread Rating
As of 31st of May 2020 - Higher results represent better performance
AMD Phenom II X4 820
1,137
Intel Core i5-655K @ 3.20GHz
1,484

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 820Intel Core i5-655K @ 3.20GHz
Max TDP95W73W
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Running cost per dayabcabc
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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.