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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 X3440 @ 2.53GHz×Intel Xeon L5520 @ 2.27GHz+ ADD
Price$141.961$12.821
Socket TypeLGA1156LGA1366
CPU ClassServerServer
Clockspeed2.9 GHz2.3 GHz
Turbo SpeedUp to 2.9 GHzUp to 2.5 GHz
# of Physical Cores4 (2 logical cores per physical)4 (2 logical cores per physical)
Max TDP95W60W
Yearly Running Cost$17.34$10.95
First Seen on ChartQ4 2009Q1 2010
# of Samples9820
Single Thread Rating10581044
CPU Mark45104324

CPU Mark Rating
As of 16th of December 2019 - Higher results represent better performance
Intel Xeon X3440 @ 2.53GHz
4,510
Intel Xeon L5520 @ 2.27GHz
4,324
CPU Value (CPU Mark / $Price)
As of 16th of December 2019 - Higher results represent better value
Intel Xeon X3440 @ 2.53GHz
31.78
Intel Xeon L5520 @ 2.27GHz
337.35
CPU Single Thread Rating
As of 16th of December 2019 - Higher results represent better performance
Intel Xeon X3440 @ 2.53GHz
1,058
Intel Xeon L5520 @ 2.27GHz
1,044

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 X3440 @ 2.53GHzIntel Xeon L5520 @ 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.