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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 E5-4640 @ 2.40GHz×Intel Xeon E5-1660 @ 3.30GHz+ ADD
Price$27301$1226.661
Socket TypeLGA2011LGA2011
CPU ClassServerServer
Clockspeed2.4 GHz3.3 GHz
Turbo SpeedUp to 2.8 GHzUp to 3.9 GHz
# of Physical Cores8 (2 logical cores per physical)6 (2 logical cores per physical)
Max TDP95W130W
Yearly Running Cost$17.34$23.73
First Seen on ChartQ2 2012Q2 2012
# of Samples5146
Single Thread Rating14621979
CPU Mark1080712245

CPU Mark Rating
As of 14th of November 2019 - Higher results represent better performance
Intel Xeon E5-4640 @ 2.40GHz
 10,807
Intel Xeon E5-1660 @ 3.30GHz
 12,245
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 14th of November 2019 - Higher results represent better value
Intel Xeon E5-4640 @ 2.40GHz
 3.96
Intel Xeon E5-1660 @ 3.30GHz
 9.98
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 14th of November 2019 - Higher results represent better performance
Intel Xeon E5-4640 @ 2.40GHz
 1,462
Intel Xeon E5-1660 @ 3.30GHz
 1,979
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 E5-4640 @ 2.40GHzIntel Xeon E5-1660 @ 3.30GHz
Max TDP95W130W
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.