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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 E5-2603 @ 1.80GHzIntel Xeon E5440 @ 2.83GHz
Price$24.941$991
Socket TypeLGA 2011LGA771
CPU ClassServerServer
Clockspeed1.8 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP80W80W
Yearly Running Cost$14.60$14.60
First Seen on ChartQ1 2012Q1 2009
# of Samples31439
Single Thread Rating9431207
CPU Mark35823963
CPU Mark Rating
As of 14th of October 2019 - Higher results represent better performance
Intel Xeon E5-2603 @ 1.80GHz
3,582
Intel Xeon E5440 @ 2.83GHz
3,963
CPU Value (CPU Mark / $Price)
As of 14th of October 2019 - Higher results represent better value
Intel Xeon E5-2603 @ 1.80GHz
143.65
Intel Xeon E5440 @ 2.83GHz
40.04
CPU Single Thread Rating
As of 14th of October 2019 - Higher results represent better performance
Intel Xeon E5-2603 @ 1.80GHz
943
Intel Xeon E5440 @ 2.83GHz
1,207

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 E5-2603 @ 1.80GHzIntel Xeon E5440 @ 2.83GHz
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.