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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$95.081$46.5
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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 Samples7297
Cross-Platform Rating1012112389
Single Thread Rating11351477
CPU Mark46865416
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 31st of May 2020 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
 4,686
Intel Xeon X5687 @ 3.60GHz
 5,416
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 31st of May 2020 - Higher results represent better value
Intel Xeon E5645 @ 2.40GHz
 49.29
Intel Xeon X5687 @ 3.60GHz
 116.48
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 31st of May 2020 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
 1,135
Intel Xeon X5687 @ 3.60GHz
 1,477
PassMark Software © 2008-2020

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
Power consumption per day (kWh)abcabc
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.