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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5-2665 @ 2.40GHz vs Intel Xeon E5-4640 @ 2.40GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

×Intel Xeon E5-2665 @ 2.40GHz×Intel Xeon E5-4640 @ 2.40GHz+ ADD
Price$102.371$27301
Socket TypeLGA2011LGA2011
CPU ClassServerServer
Clockspeed2.4 GHz2.4 GHz
Turbo SpeedUp to 3.1 GHzUp to 2.8 GHz
# of Physical Cores8 (2 logical cores per physical)8 (2 logical cores per physical)
Max TDP115W95W
Yearly Running Cost$20.99$17.34
First Seen on ChartQ2 2012Q2 2012
# of Samples1095
Single Thread Rating15401462
CPU Mark1175010807

CPU Mark Rating
As of 29th of January 2020 - Higher results represent better performance
Intel Xeon E5-2665 @ 2.40GHz
11,750
Intel Xeon E5-4640 @ 2.40GHz
10,807
CPU Value (CPU Mark / $Price)
As of 29th of January 2020 - Higher results represent better value
Intel Xeon E5-2665 @ 2.40GHz
114.79
Intel Xeon E5-4640 @ 2.40GHz
3.96
CPU Single Thread Rating
As of 29th of January 2020 - Higher results represent better performance
Intel Xeon E5-2665 @ 2.40GHz
1,540
Intel Xeon E5-4640 @ 2.40GHz
1,462

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 E5-2665 @ 2.40GHzIntel Xeon E5-4640 @ 2.40GHz
Max TDP115W95W
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.