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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.


×Intel Xeon X5680 @ 3.33GHz×Intel Xeon E5645 @ 2.40GHz+ ADD
Price$69.95 BUY NOW!$81.311
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed3.3 GHz2.4 GHz
Turbo SpeedUp to 3.6 GHzUp to 2.7 GHz
# of Physical Cores6 (2 logical cores per physical)6 (2 logical cores per physical)
Max TDP130W80W
Yearly Running Cost$23.73$14.60
First Seen on ChartQ2 2010Q2 2011
# of Samples15965
Single Thread Rating14771092
CPU Mark83526424

CPU Mark Rating
As of 15th of November 2019 - Higher results represent better performance
Intel Xeon X5680 @ 3.33GHz
 8,352
Intel Xeon E5645 @ 2.40GHz
 6,424
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 15th of November 2019 - Higher results represent better value
Intel Xeon X5680 @ 3.33GHz
 119.41
Intel Xeon E5645 @ 2.40GHz
 79.01
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 15th of November 2019 - Higher results represent better performance
Intel Xeon X5680 @ 3.33GHz
 1,477
Intel Xeon E5645 @ 2.40GHz
 1,092
PassMark Software © 2008-2019

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 X5680 @ 3.33GHzIntel Xeon E5645 @ 2.40GHz
Max TDP130W80W
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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.