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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon L5640 @ 2.27GHz vs Intel Xeon E3-1275 v3 @ 3.50GHz

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


×Intel Xeon L5640 @ 2.27GHz×Intel Xeon E3-1275 v3 @ 3.50GHz+ ADD
Price$89.951$749
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Socket TypeLGA1366LGA1150
CPU ClassServerServer
Clockspeed2.8 GHz3.5 GHz
Turbo SpeedUp to 2.8 GHzUp to 3.9 GHz
# of Physical Cores6 (Threads: 12)4 (Threads: 8)
Max TDP60W95W
Yearly Running Cost$10.95$17.34
First Seen on ChartQ2 2010Q2 2013
# of Samples4060
Cross-Platform Rating1105615251
Single Thread Rating11592222
CPU Mark46406988
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of March 2021 - Higher results represent better performance
Intel Xeon L5640 @ 2.27GHz
 4,640
Intel Xeon E3-1275 v3 @ 3.50GHz
 6,988
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 7th of March 2021 - Higher results represent better value
Intel Xeon L5640 @ 2.27GHz
 51.58
Intel Xeon E3-1275 v3 @ 3.50GHz
 9.33
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 7th of March 2021 - Higher results represent better performance
Intel Xeon L5640 @ 2.27GHz
 1,159
Intel Xeon E3-1275 v3 @ 3.50GHz
 2,222
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 L5640 @ 2.27GHzIntel Xeon E3-1275 v3 @ 3.50GHz
Max TDP60W95W
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.