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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 L5408 @ 2.13GHz×Intel Atom C2550 @ 2.40GHz+ ADD
PriceSearch OnlineSearch Online
Socket TypeLGA771FCBGA1283
CPU ClassServerServer
Clockspeed2.1 GHz2.4 GHz
Turbo SpeedNot SupportedUp to 2.6 GHz
# of Physical Cores44
Max TDP40W14W
Yearly Running Cost$7.30$2.56
First Seen on ChartQ2 2014Q2 2014
# of Samples193
Single Thread Rating926581
CPU Mark30142141

CPU Mark Rating
As of 13th of December 2019 - Higher results represent better performance
Intel Xeon L5408 @ 2.13GHz
 3,014
Intel Atom C2550 @ 2.40GHz
 2,141
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 13th of December 2019 - Higher results represent better performance
Intel Xeon L5408 @ 2.13GHz
 926
Intel Atom C2550 @ 2.40GHz
 581
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 L5408 @ 2.13GHzIntel Atom C2550 @ 2.40GHz
Max TDP40W14W
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.