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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 Celeron G3900 @ 2.80GHz×Intel Pentium G840 @ 2.80GHz+ ADD
Price$54.99 BUY NOW!$34.991
Socket TypeFCLGA1151FCLGA1155
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP51W65W
Yearly Running Cost$9.31$11.86
First Seen on ChartQ1 2016Q2 2011
# of Samples212198
Single Thread Rating16811456
CPU Mark31312559

CPU Mark Rating
As of 9th of December 2019 - Higher results represent better performance
Intel Celeron G3900 @ 2.80GHz
3,131
Intel Pentium G840 @ 2.80GHz
2,559
CPU Value (CPU Mark / $Price)
As of 9th of December 2019 - Higher results represent better value
Intel Celeron G3900 @ 2.80GHz
56.95
Intel Pentium G840 @ 2.80GHz
73.15
CPU Single Thread Rating
As of 9th of December 2019 - Higher results represent better performance
Intel Celeron G3900 @ 2.80GHz
1,681
Intel Pentium G840 @ 2.80GHz
1,456

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 Celeron G3900 @ 2.80GHzIntel Pentium G840 @ 2.80GHz
Max TDP51W65W
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.