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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5520 @ 2.27GHz vs Intel Xeon E5540 @ 2.53GHz

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


×Intel Xeon E5520 @ 2.27GHz×Intel Xeon E5540 @ 2.53GHz+ ADD
Price$48.511$591
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.3 GHz2.5 GHz
Turbo SpeedUp to 2.5 GHzUp to 2.8 GHz
# of Physical Cores4 (2 logical cores per physical)4 (2 logical cores per physical)
Max TDP80W80W
Yearly Running Cost$14.60$14.60
First Seen on ChartQ1 2009Q2 2009
# of Samples16044
Single Thread Rating10291146
CPU Mark43734756

CPU Mark Rating
As of 23rd of February 2020 - Higher results represent better performance
Intel Xeon E5520 @ 2.27GHz
 4,373
Intel Xeon E5540 @ 2.53GHz
 4,756
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 23rd of February 2020 - Higher results represent better value
Intel Xeon E5520 @ 2.27GHz
 90.16
Intel Xeon E5540 @ 2.53GHz
 80.62
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 23rd of February 2020 - Higher results represent better performance
Intel Xeon E5520 @ 2.27GHz
 1,029
Intel Xeon E5540 @ 2.53GHz
 1,146
PassMark Software © 2008-2020

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 E5520 @ 2.27GHzIntel Xeon E5540 @ 2.53GHz
Max TDP80W80W
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.