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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 L5640 @ 2.27GHz
Price$12.821$29.971
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.3 GHz2.8 GHz
Turbo SpeedUp to 2.5 GHzUp to 2.8 GHz
# of Physical Cores4 (2 logical cores per physical)6 (2 logical cores per physical)
Max TDP60W60W
Yearly Running Cost$10.95$10.95
First Seen on ChartQ1 2010Q2 2010
# of Samples1434
Single Thread Rating10341096
CPU Mark43876232
CPU Mark Rating
As of 24th of September 2019 - Higher results represent better performance
Intel Xeon L5520 @ 2.27GHz
4,387
Intel Xeon L5640 @ 2.27GHz
6,232
CPU Value (CPU Mark / $Price)
As of 24th of September 2019 - Higher results represent better value
Intel Xeon L5520 @ 2.27GHz
342.21
Intel Xeon L5640 @ 2.27GHz
207.96
CPU Single Thread Rating
As of 24th of September 2019 - Higher results represent better performance
Intel Xeon L5520 @ 2.27GHz
1,034
Intel Xeon L5640 @ 2.27GHz
1,096

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 L5640 @ 2.27GHz
Max TDP60W60W
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.