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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 L5640 @ 2.27GHzIntel Xeon E5640 @ 2.67GHz
Price$83.36 BUY NOW!$27.991
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.8 GHz2.7 GHz
Turbo SpeedUp to 2.8 GHzUp to 2.9 GHz
# of Physical Cores6 (2 logical cores per physical)4 (2 logical cores per physical)
Max TDP60W80W
Yearly Running Cost$10.95$14.60
First Seen on ChartQ2 2010Q2 2010
# of Samples3445
Single Thread Rating10961160
CPU Mark62325250
CPU Mark Rating
As of 20th of October 2019 - Higher results represent better performance
Intel Xeon L5640 @ 2.27GHz
 6,232
Intel Xeon E5640 @ 2.67GHz
 5,250
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 20th of October 2019 - Higher results represent better value
Intel Xeon L5640 @ 2.27GHz
 74.77
Intel Xeon E5640 @ 2.67GHz
 187.60
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 20th of October 2019 - Higher results represent better performance
Intel Xeon L5640 @ 2.27GHz
 1,096
Intel Xeon E5640 @ 2.67GHz
 1,160
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 L5640 @ 2.27GHzIntel Xeon E5640 @ 2.67GHz
Max TDP60W80W
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.