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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 X5355 @ 2.66GHzIntel Xeon E5430 @ 2.66GHz
Price$309.951$110.991
Socket TypeLGA771LGA771
CPU ClassServerServer
Clockspeed2.7 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP120W80W
Yearly Running Cost$21.90$14.60
First Seen on ChartQ1 2009Q1 2009
# of Samples44248
Single Thread Rating10071132
CPU Mark31703749
CPU Mark Rating
As of 16th of October 2019 - Higher results represent better performance
Intel Xeon X5355 @ 2.66GHz
 3,170
Intel Xeon E5430 @ 2.66GHz
 3,749
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 16th of October 2019 - Higher results represent better value
Intel Xeon X5355 @ 2.66GHz
 10.23
Intel Xeon E5430 @ 2.66GHz
 33.78
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 16th of October 2019 - Higher results represent better performance
Intel Xeon X5355 @ 2.66GHz
 1,007
Intel Xeon E5430 @ 2.66GHz
 1,132
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 X5355 @ 2.66GHzIntel Xeon E5430 @ 2.66GHz
Max TDP120W80W
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.