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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.


AMD Opteron 254AMD Opteron 256
PriceSearch Online$191
Socket Type940940
CPU ClassServerServer
Clockspeed2.8 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores11
Max TDP68W92.6W
Yearly Running Cost$12.41$16.90
First Seen on ChartQ4 2012Q2 2009
# of Samples11
Single Thread Rating8893NA
CPU Mark693963
CPU Mark Rating
As of 16th of October 2019 - Higher results represent better performance
AMD Opteron 254
 693
AMD Opteron 256
 963
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 16th of October 2019 - Higher results represent better value
AMD Opteron 254
 NA
AMD Opteron 256
 50.72
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 16th of October 2019 - Higher results represent better performance
AMD Opteron 254
 889
AMD Opteron 256
 NA
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.
AMD Opteron 254AMD Opteron 256
Max TDP68W92.6W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.