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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.

AMD A6-6420K APUIntel Core2 Duo E8400 @ 3.00GHz
Price$149.991$45.5 BUY NOW!
Socket TypeFM2LGA775
CPU ClassDesktopDesktop
Clockspeed4.0 GHz3.0 GHz
Turbo SpeedUp to 4.2 GHzNot Supported
# of Physical Cores22
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ4 2014Q4 2008
# of Samples376294
Single Thread Rating14691248
CPU Mark23792149
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.


CPU Mark Rating
As of 22nd of April 2019 - Higher results represent better performance
AMD A6-6420K APU
2,379
Intel Core2 Duo E8400 @ 3.00GHz
2,149
Intel Core i9-9900K @ 3.60GHz
20,176
AMD Ryzen 7 2700X
16,985
Intel Core i7-8700K @ 3.70GHz
15,963
Intel Core i7-8700 @ 3.20GHz
15,152
AMD Ryzen 7 1700
13,767
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 22nd of April 2019 - Higher results represent better value
AMD A6-6420K APU
15.86
Intel Core2 Duo E8400 @ 3.00GHz
47.23
Intel Core i9-9900K @ 3.60GHz
41.18
AMD Ryzen 7 2700X
57.58
Intel Core i7-8700K @ 3.70GHz
44.34
Intel Core i7-8700 @ 3.20GHz
50.51
AMD Ryzen 7 1700
86.05
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 22nd of April 2019 - Higher results represent better performance
AMD A6-6420K APU
1,469
Intel Core2 Duo E8400 @ 3.00GHz
1,248
Intel Core i9-9900K @ 3.60GHz
2,900
AMD Ryzen 7 2700X
2,193
Intel Core i7-8700K @ 3.70GHz
2,702
Intel Core i7-8700 @ 3.20GHz
2,630
AMD Ryzen 7 1700
1,775
PassMark Software © 2008-2019





Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day
Average CPU Utilization (0-100%)1
Power 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 A6-6420K APUIntel Core2 Duo E8400 @ 3.00GHz
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.


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