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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 E5530 @ 2.40GHz×Intel Xeon X5550 @ 2.67GHz+ ADD
Price$131$304.851
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.4 GHz2.7 GHz
Turbo SpeedUp to 2.7 GHzUp to 3.1 GHz
# of Physical Cores4 (2 logical cores per physical)4 (2 logical cores per physical)
Max TDP80W95W
Yearly Running Cost$14.60$17.34
First Seen on ChartQ2 2009Q2 2009
# of Samples3789
Single Thread Rating10941262
CPU Mark44945270

CPU Mark Rating
As of 11th of December 2019 - Higher results represent better performance
Intel Xeon E5530 @ 2.40GHz
 4,494
Intel Xeon X5550 @ 2.67GHz
 5,270
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 11th of December 2019 - Higher results represent better value
Intel Xeon E5530 @ 2.40GHz
 345.72
Intel Xeon X5550 @ 2.67GHz
 17.29
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 11th of December 2019 - Higher results represent better performance
Intel Xeon E5530 @ 2.40GHz
 1,094
Intel Xeon X5550 @ 2.67GHz
 1,262
PassMark Software © 2008-2019

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 E5530 @ 2.40GHzIntel Xeon X5550 @ 2.67GHz
Max TDP80W95W
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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.