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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X3 420e vs Intel Pentium G645 @ 2.90GHz

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


×AMD Athlon II X3 420e×Intel Pentium G645 @ 2.90GHz+ ADD
Price$116.151$39.99
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Socket TypeAM3LGA1155
CPU ClassDesktopDesktop
Clockspeed2.6 GHz2.9 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)2 (Threads: 2)
Max TDP45W65W
Yearly Running Cost$8.21$11.86
First Seen on ChartQ2 2011Q1 2012
# of Samples8361
Single Thread Rating10581303
CPU Mark15571353
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of May 2022 - Higher results represent better performance
AMD Athlon II X3 420e
 1,557
Intel Pentium G645 @ 2.90GHz
 1,353
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 21st of May 2022 - Higher results represent better value
AMD Athlon II X3 420e
 13.40
Intel Pentium G645 @ 2.90GHz
 33.84
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 21st of May 2022 - Higher results represent better performance
AMD Athlon II X3 420e
 1,058
Intel Pentium G645 @ 2.90GHz
 1,303
PassMark Software © 2008-2022

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 II X3 420eIntel Pentium G645 @ 2.90GHz
Max TDP45W65W
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.