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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Opteron 4280 vs Intel Xeon E5645 @ 2.40GHz

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


×AMD Opteron 4280×Intel Xeon E5645 @ 2.40GHz+ ADD
Price$501$94.08
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Socket TypeSocket C32LGA1366
CPU ClassServerServer
Clockspeed2.8 GHz2.4 GHz
Turbo SpeedUp to 3.1 GHzUp to 2.7 GHz
# of Physical Cores8 (in 4 physical modules)6 (Threads: 12)
Max TDP95W80W
Yearly Running Cost$17.34$14.60
First Seen on ChartQ1 2014Q2 2011
# of Samples176
Cross-Platform Rating011330
Single Thread Rating11411160
CPU Mark45044963
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 1st of March 2021 - Higher results represent better performance
AMD Opteron 4280
 4,504
Intel Xeon E5645 @ 2.40GHz
 4,963
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 1st of March 2021 - Higher results represent better value
AMD Opteron 4280
 90.07
Intel Xeon E5645 @ 2.40GHz
 52.75
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 1st of March 2021 - Higher results represent better performance
AMD Opteron 4280
 1,141
Intel Xeon E5645 @ 2.40GHz
 1,160
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.
AMD Opteron 4280Intel Xeon E5645 @ 2.40GHz
Max TDP95W80W
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.