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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 Pentium G645 @ 2.90GHz×Intel Pentium G2120 @ 3.10GHz+ ADD
Price$40 BUY NOW!$159.551
Socket TypeLGA1155FCLGA1155
CPU ClassDesktopDesktop
Clockspeed2.9 GHz3.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP65W55W
Yearly Running Cost$11.86$10.04
First Seen on ChartQ1 2012Q4 2012
# of Samples333193
Single Thread Rating14851649
CPU Mark25893079

CPU Mark Rating
As of 9th of December 2019 - Higher results represent better performance
Intel Pentium G645 @ 2.90GHz
 2,589
Intel Pentium G2120 @ 3.10GHz
 3,079
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 9th of December 2019 - Higher results represent better value
Intel Pentium G645 @ 2.90GHz
 64.74
Intel Pentium G2120 @ 3.10GHz
 19.30
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 9th of December 2019 - Higher results represent better performance
Intel Pentium G645 @ 2.90GHz
 1,485
Intel Pentium G2120 @ 3.10GHz
 1,649
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 Pentium G645 @ 2.90GHzIntel Pentium G2120 @ 3.10GHz
Max TDP65W55W
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.