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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Pentium G645 @ 2.90GHz vs AMD Athlon II X2 255

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.


×Intel Pentium G645 @ 2.90GHz×AMD Athlon II X2 255+ ADD
Price$93.351$91.441
Socket TypeLGA1155AM3
CPU ClassDesktopDesktop
Clockspeed2.9 GHz3.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ1 2012Q1 2010
# of Samples352388
Cross-Platform Rating36752532
Single Thread Rating127012383
CPU Mark12991121
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 28th of February 2021 - Higher results represent better performance
Intel Pentium G645 @ 2.90GHz
 1,299
AMD Athlon II X2 255
 1,121
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 28th of February 2021 - Higher results represent better value
Intel Pentium G645 @ 2.90GHz
 13.92
AMD Athlon II X2 255
 12.26
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 28th of February 2021 - Higher results represent better performance
Intel Pentium G645 @ 2.90GHz
 1,270
AMD Athlon II X2 255
 1,238
PassMark Software © 2008-2021

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 @ 2.90GHzAMD Athlon II X2 255
Max TDP65W65W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.