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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 X5660 @ 2.80GHz×Intel Xeon L5640 @ 2.27GHz+ ADD
Price$63.191$83.361
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.8 GHz2.8 GHz
Turbo SpeedUp to 3.2 GHzUp to 2.8 GHz
# of Physical Cores6 (2 logical cores per physical)6 (2 logical cores per physical)
Max TDP95W60W
Yearly Running Cost$17.34$10.95
First Seen on ChartQ2 2010Q2 2010
# of Samples20934
Single Thread Rating13041096
CPU Mark75896232

CPU Mark Rating
As of 20th of November 2019 - Higher results represent better performance
Intel Xeon X5660 @ 2.80GHz
7,589
Intel Xeon L5640 @ 2.27GHz
6,232
CPU Value (CPU Mark / $Price)
As of 20th of November 2019 - Higher results represent better value
Intel Xeon X5660 @ 2.80GHz
120.11
Intel Xeon L5640 @ 2.27GHz
74.77
CPU Single Thread Rating
As of 20th of November 2019 - Higher results represent better performance
Intel Xeon X5660 @ 2.80GHz
1,304
Intel Xeon L5640 @ 2.27GHz
1,096

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 X5660 @ 2.80GHzIntel Xeon L5640 @ 2.27GHz
Max TDP95W60W
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.