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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5520 @ 2.27GHz vs Intel Xeon E5440 @ 2.83GHz

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 E5440 @ 2.83GHz+ ADD
Price$49
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$37.991
Socket TypeLGA1366LGA771
CPU ClassServerServer
Clockspeed2.3 GHz2.8 GHz
Turbo SpeedUp to 2.5 GHzNot Supported
# of Physical Cores4 (Threads: 8)4 (Threads: 4)
Max TDP80W80W
Yearly Running Cost$14.60$14.60
First Seen on ChartQ1 2009Q1 2009
# of Samples176483
Single Thread Rating10561237
CPU Mark24932253
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of December 2021 - Higher results represent better performance
Intel Xeon E5520 @ 2.27GHz
2,493
Intel Xeon E5440 @ 2.83GHz
2,253
CPU Value (CPU Mark / $Price)
As of 7th of December 2021 - Higher results represent better value
Intel Xeon E5520 @ 2.27GHz
50.88
Intel Xeon E5440 @ 2.83GHz
59.30
CPU Single Thread Rating
As of 7th of December 2021 - Higher results represent better performance
Intel Xeon E5520 @ 2.27GHz
1,056
Intel Xeon E5440 @ 2.83GHz
1,237

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 E5440 @ 2.83GHz
Max TDP80W80W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.