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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5640 @ 2.67GHz vs Intel Xeon L5520 @ 2.27GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

×Intel Xeon E5640 @ 2.67GHz×Intel Xeon L5520 @ 2.27GHz+ ADD
Price$37.991$79.951
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.7 GHz2.3 GHz
Turbo SpeedUp to 2.9 GHzUp to 2.5 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP80W60W
Yearly Running Cost$14.60$10.95
First Seen on ChartQ2 2010Q1 2010
# of Samples4522
Cross-Platform Rating07076
Single Thread Rating12041067
CPU Mark40182312
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 10th of May 2021 - Higher results represent better performance
Intel Xeon E5640 @ 2.67GHz
4,018
Intel Xeon L5520 @ 2.27GHz
2,312
CPU Value (CPU Mark / $Price)
As of 10th of May 2021 - Higher results represent better value
Intel Xeon E5640 @ 2.67GHz
105.76
Intel Xeon L5520 @ 2.27GHz
28.92
CPU Single Thread Rating
As of 10th of May 2021 - Higher results represent better performance
Intel Xeon E5640 @ 2.67GHz
1,204
Intel Xeon L5520 @ 2.27GHz
1,067

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 E5640 @ 2.67GHzIntel Xeon L5520 @ 2.27GHz
Max TDP80W60W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.