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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5-2640 @ 2.50GHz vs Intel Xeon L5638 @ 2.00GHz

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


×Intel Xeon E5-2640 @ 2.50GHz×Intel Xeon L5638 @ 2.00GHz+ ADD
Price$149.951$69.91
Socket TypeLGA2011LGA1366
CPU ClassServerServer
Clockspeed2.5 GHz2.0 GHz
Turbo SpeedUp to 3.0 GHzUp to 2.4 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
Max TDP95W60W
Yearly Running Cost$17.34$10.95
First Seen on ChartQ2 2012Q2 2011
# of Samples17013
Cross-Platform Rating143175375
Single Thread Rating1346727
CPU Mark62933225
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 20th of January 2021 - Higher results represent better performance
Intel Xeon E5-2640 @ 2.50GHz
 6,293
Intel Xeon L5638 @ 2.00GHz
 3,225
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 20th of January 2021 - Higher results represent better value
Intel Xeon E5-2640 @ 2.50GHz
 41.97
Intel Xeon L5638 @ 2.00GHz
 46.14
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 20th of January 2021 - Higher results represent better performance
Intel Xeon E5-2640 @ 2.50GHz
 1,346
Intel Xeon L5638 @ 2.00GHz
 727
PassMark Software © 2008-2021

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 E5-2640 @ 2.50GHzIntel Xeon L5638 @ 2.00GHz
Max TDP95W60W
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.