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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X3 720 vs AMD Athlon II X4 620

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


×AMD Phenom II X3 720×AMD Athlon II X4 620+ ADD
Price$109.551$49.95
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Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ1 2009Q2 2009
# of Samples368615
Cross-Platform Rating35664074
Single Thread Rating10921049
CPU Mark15261910
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
AMD Phenom II X3 720
 1,526
AMD Athlon II X4 620
 1,910
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 6th of August 2020 - Higher results represent better value
AMD Phenom II X3 720
 13.93
AMD Athlon II X4 620
 38.23
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 6th of August 2020 - Higher results represent better performance
AMD Phenom II X3 720
 1,092
AMD Athlon II X4 620
 1,049
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.
AMD Phenom II X3 720AMD Athlon II X4 620
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.