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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 Athlon 7850 Dual-Core 2.8G×Intel Pentium III 1400 @ 1400MHz+ ADD
PriceSearch OnlineSearch Online
Socket TypeAM2+Socket 370
CPU ClassDesktopDesktop
Clockspeed2.8 GHz1.4 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores11
Max TDP95W31.2W
Yearly Running Cost$17.34$5.69
First Seen on ChartQ2 2011Q2 2009
# of Samples14
Single Thread RatingNA4183
CPU Mark288297

CPU Mark Rating
As of 11th of December 2019 - Higher results represent better performance
AMD Athlon 7850 Dual-Core 2.8G
 288
Intel Pentium III 1400 @ 1400MHz
 297
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 11th of December 2019 - Higher results represent better performance
AMD Athlon 7850 Dual-Core 2.8G
 NA
Intel Pentium III 1400 @ 1400MHz
 418
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 Athlon 7850 Dual-Core 2.8GIntel Pentium III 1400 @ 1400MHz
Max TDP95W31.2W
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.