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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 L5420 @ 2.50GHz×Intel Xeon E5-2603 @ 1.80GHz+ ADD
Price$27.51$47.851
Socket TypeLGA771LGA 2011
CPU ClassServerServer
Clockspeed2.5 GHz1.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP50W80W
Yearly Running Cost$9.13$14.60
First Seen on ChartQ1 2009Q1 2012
# of Samples18832
Single Thread Rating1050944
CPU Mark35013591

CPU Mark Rating
As of 22nd of November 2019 - Higher results represent better performance
Intel Xeon L5420 @ 2.50GHz
 3,501
Intel Xeon E5-2603 @ 1.80GHz
 3,591
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 22nd of November 2019 - Higher results represent better value
Intel Xeon L5420 @ 2.50GHz
 127.32
Intel Xeon E5-2603 @ 1.80GHz
 75.05
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 22nd of November 2019 - Higher results represent better performance
Intel Xeon L5420 @ 2.50GHz
 1,050
Intel Xeon E5-2603 @ 1.80GHz
 944
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 L5420 @ 2.50GHzIntel Xeon E5-2603 @ 1.80GHz
Max TDP50W80W
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.