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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 E3-1275 @ 3.40GHz×Intel Xeon E3-1235 @ 3.20GHz+ ADD
Price$304 BUY NOW!$2441
Socket TypeLGA1155LGA1155
CPU ClassServerServer
Clockspeed3.4 GHz3.2 GHz
Turbo SpeedUp to 3.8 GHzUp to 3.6 GHz
# of Physical Cores4 (2 logical cores per physical)4 (2 logical cores per physical)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ2 2011Q2 2011
# of Samples7944
Single Thread Rating19361851
CPU Mark81117759

CPU Mark Rating
As of 8th of December 2019 - Higher results represent better performance
Intel Xeon E3-1275 @ 3.40GHz
 8,111
Intel Xeon E3-1235 @ 3.20GHz
 7,759
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 8th of December 2019 - Higher results represent better value
Intel Xeon E3-1275 @ 3.40GHz
 26.68
Intel Xeon E3-1235 @ 3.20GHz
 31.80
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 8th of December 2019 - Higher results represent better performance
Intel Xeon E3-1275 @ 3.40GHz
 1,936
Intel Xeon E3-1235 @ 3.20GHz
 1,851
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 E3-1275 @ 3.40GHzIntel Xeon E3-1235 @ 3.20GHz
Max TDP95W95W
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.