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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 Athlon II X4 638 Quad-CoreAMD A6-3650 APU
Price$26.49 BUY NOW!$31.99 BUY NOW!
Socket TypeFM1FM1
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP65W100W
Yearly Running Cost$11.86$18.25
First Seen on ChartQ2 2015Q2 2011
# of Samples3279
Single Thread Rating924902
CPU Mark31983153


CPU Mark Rating
As of 18th of February 2019 - Higher results represent better performance
AMD Athlon II X4 638 Quad-Core
3,198
AMD A6-3650 APU
3,153
AMD Ryzen 7 2700X
16,983
Intel Core i7-8700K @ 3.70GHz
15,966
Intel Core i7-8700 @ 3.20GHz
15,139
AMD Ryzen 7 1700
13,747
AMD Ryzen 5 2600
13,536
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 18th of February 2019 - Higher results represent better value
AMD Athlon II X4 638 Quad-Core
120.73
AMD A6-3650 APU
98.58
AMD Ryzen 7 2700X
54.79
Intel Core i7-8700K @ 3.70GHz
44.35
Intel Core i7-8700 @ 3.20GHz
39.41
AMD Ryzen 7 1700
80.87
AMD Ryzen 5 2600
90.25
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 18th of February 2019 - Higher results represent better performance
AMD Athlon II X4 638 Quad-Core
924
AMD A6-3650 APU
902
AMD Ryzen 7 2700X
2,195
Intel Core i7-8700K @ 3.70GHz
2,703
Intel Core i7-8700 @ 3.20GHz
2,628
AMD Ryzen 7 1700
1,775
AMD Ryzen 5 2600
2,007
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 Athlon II X4 638 Quad-CoreAMD A6-3650 APU
Max TDP65W100W
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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