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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.


Intel Xeon E5620 @ 2.40GHzAMD Opteron 6128
Price$67.6 BUY NOW!$18.99 BUY NOW!
Socket TypeLGA1366G34
CPU ClassServerServer
Clockspeed2.4 GHz2.0 GHz
Turbo SpeedUp to 2.7 GHzNot Supported
# of Physical Cores4 (2 logical cores per physical)8
Max TDP80W115W
Yearly Running Cost$14.60$20.99
First Seen on ChartQ2 2010Q2 2010
# of Samples1745
Single Thread Rating1067691
CPU Mark47714505
CPU Mark Rating
As of 15th of October 2019 - Higher results represent better performance
Intel Xeon E5620 @ 2.40GHz
 4,771
AMD Opteron 6128
 4,505
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 15th of October 2019 - Higher results represent better value
Intel Xeon E5620 @ 2.40GHz
 70.58
AMD Opteron 6128
 237.24
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 15th of October 2019 - Higher results represent better performance
Intel Xeon E5620 @ 2.40GHz
 1,067
AMD Opteron 6128
 691
PassMark Software © 2008-2019

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 Xeon E5620 @ 2.40GHzAMD Opteron 6128
Max TDP80W115W
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.