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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 E5640 @ 2.67GHz×Intel Xeon L5638 @ 2.00GHz+ ADD
Price$27.991$69.91
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.7 GHz2.0 GHz
Turbo SpeedUp to 2.9 GHzUp to 2.4 GHz
# of Physical Cores4 (2 logical cores per physical)6 (2 logical cores per physical)
Max TDP80W60W
Yearly Running Cost$14.60$10.95
First Seen on ChartQ2 2010Q2 2011
# of Samples4511
Single Thread Rating1160949
CPU Mark52505622

CPU Mark Rating
As of 9th of December 2019 - Higher results represent better performance
Intel Xeon E5640 @ 2.67GHz
5,250
Intel Xeon L5638 @ 2.00GHz
5,622
CPU Value (CPU Mark / $Price)
As of 9th of December 2019 - Higher results represent better value
Intel Xeon E5640 @ 2.67GHz
187.60
Intel Xeon L5638 @ 2.00GHz
80.43
CPU Single Thread Rating
As of 9th of December 2019 - Higher results represent better performance
Intel Xeon E5640 @ 2.67GHz
1,160
Intel Xeon L5638 @ 2.00GHz
949

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 E5640 @ 2.67GHzIntel Xeon L5638 @ 2.00GHz
Max TDP80W60W
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.