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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 L5520 @ 2.27GHzIntel Xeon L3426 @ 1.87GHz
Price$12.821$447.011
Socket TypeLGA1366LGA1156
CPU ClassServerServer
Clockspeed2.3 GHz1.9 GHz
Turbo SpeedUp to 2.5 GHzUp to 3.2 GHz
# of Physical Cores4 (2 logical cores per physical)4 (2 logical cores per physical)
Max TDP60W45W
Yearly Running Cost$10.95$8.21
First Seen on ChartQ1 2010Q1 2010
# of Samples2015
Single Thread Rating10441112
CPU Mark43243943
CPU Mark Rating
As of 22nd of October 2019 - Higher results represent better performance
Intel Xeon L5520 @ 2.27GHz
 4,324
Intel Xeon L3426 @ 1.87GHz
 3,943
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 22nd of October 2019 - Higher results represent better value
Intel Xeon L5520 @ 2.27GHz
 337.35
Intel Xeon L3426 @ 1.87GHz
 8.82
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 22nd of October 2019 - Higher results represent better performance
Intel Xeon L5520 @ 2.27GHz
 1,044
Intel Xeon L3426 @ 1.87GHz
 1,112
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 L5520 @ 2.27GHzIntel Xeon L3426 @ 1.87GHz
Max TDP60W45W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
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.