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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon X5355 @ 2.66GHz vs AMD Opteron X3421 APU

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

×Intel Xeon X5355 @ 2.66GHz×AMD Opteron X3421 APU+ ADD
Price$309.951Search Online
Socket TypeLGA771NA2
CPU ClassServerServer
Clockspeed2.7 GHz2.1 GHz
Turbo SpeedNot SupportedUp to 3.4 GHz
# of Physical Cores44
Max TDP120W35W
Yearly Running Cost$21.90$6.39
First Seen on ChartQ1 2009Q2 2017
# of Samples5021
Single Thread Rating10431425
CPU Mark19703227

CPU Mark Rating
As of 2nd of April 2020 - Higher results represent better performance
Intel Xeon X5355 @ 2.66GHz
1,970
AMD Opteron X3421 APU
3,227
CPU Value (CPU Mark / $Price)
As of 2nd of April 2020 - Higher results represent better value
Intel Xeon X5355 @ 2.66GHz
6.35
AMD Opteron X3421 APU
NA
CPU Single Thread Rating
As of 2nd of April 2020 - Higher results represent better performance
Intel Xeon X5355 @ 2.66GHz
1,043
AMD Opteron X3421 APU
1,425

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 X5355 @ 2.66GHzAMD Opteron X3421 APU
Max TDP120W35W
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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.