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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5645 @ 2.40GHz vs Intel Xeon X5687 @ 3.60GHz

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


×Intel Xeon E5645 @ 2.40GHz×Intel Xeon X5687 @ 3.60GHz+ ADD
Price$94.08
BUY NOW!		$149.951
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.4 GHz3.6 GHz
Turbo SpeedUp to 2.7 GHzUp to 3.9 GHz
# of Physical Cores6 (Threads: 12)4 (Threads: 8)
Max TDP80W130W
Yearly Running Cost$14.60$23.73
First Seen on ChartQ2 2011Q2 2011
# of Samples76102
Cross-Platform Rating1133012290
Single Thread Rating11601564
CPU Mark49635325
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of January 2021 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
 4,963
Intel Xeon X5687 @ 3.60GHz
 5,325
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 18th of January 2021 - Higher results represent better value
Intel Xeon E5645 @ 2.40GHz
 52.75
Intel Xeon X5687 @ 3.60GHz
 35.51
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 18th of January 2021 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
 1,160
Intel Xeon X5687 @ 3.60GHz
 1,564
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 E5645 @ 2.40GHzIntel Xeon X5687 @ 3.60GHz
Max TDP80W130W
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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.