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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD A6-6400K APU vs AMD A4-4020 APU

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

×AMD A6-6400K APU×AMD A4-4020 APU+ ADD
Price$84.81 BUY NOW!$86 BUY NOW!
Socket TypeFM2FM2
CPU ClassDesktopDesktop
Clockspeed3.9 GHz3.2 GHz
Turbo SpeedUp to 4.1 GHzUp to 3.4 GHz
# of Physical Cores1 (2 logical cores per physical)2
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ2 2013Q2 2014
# of Samples53235
Single Thread Rating154631386
CPU Mark13321415

CPU Mark Rating
As of 2nd of April 2020 - Higher results represent better performance
AMD A6-6400K APU
1,332
AMD A4-4020 APU
1,415
CPU Value (CPU Mark / $Price)
As of 2nd of April 2020 - Higher results represent better value
AMD A6-6400K APU
15.71
AMD A4-4020 APU
16.45
CPU Single Thread Rating
As of 2nd of April 2020 - Higher results represent better performance
AMD A6-6400K APU
1,546
AMD A4-4020 APU
1,386

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 A6-6400K APUAMD A4-4020 APU
Max TDP65W65W
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.