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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 645AMD A8-3800 APU
Price$49.991$56.991
Socket TypeAM3FM1
CPU ClassDesktopDesktop
Clockspeed3.1 GHz2.4 GHz
Turbo SpeedNot SupportedUp to 2.7 GHz
# of Physical Cores44
Max TDP95W65W
Yearly Running Cost$17.34$11.86
First Seen on ChartQ4 2010Q2 2011
# of Samples521136
Single Thread Rating1071855
CPU Mark34713014
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.


CPU Mark Rating
As of 20th of May 2019 - Higher results represent better performance
AMD Athlon II X4 645
3,471
AMD A8-3800 APU
3,014
Intel Core i9-9900K @ 3.60GHz
20,203
AMD Ryzen 7 2700X
16,984
Intel Core i7-8700K @ 3.70GHz
15,962
Intel Core i7-8700 @ 3.20GHz
15,148
AMD Ryzen 7 1700
13,769
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 20th of May 2019 - Higher results represent better value
AMD Athlon II X4 645
69.44
AMD A8-3800 APU
52.89
Intel Core i9-9900K @ 3.60GHz
41.66
AMD Ryzen 7 2700X
59.62
Intel Core i7-8700K @ 3.70GHz
42.01
Intel Core i7-8700 @ 3.20GHz
50.50
AMD Ryzen 7 1700
79.60
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 20th of May 2019 - Higher results represent better performance
AMD Athlon II X4 645
1,071
AMD A8-3800 APU
855
Intel Core i9-9900K @ 3.60GHz
2,900
AMD Ryzen 7 2700X
2,192
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 Athlon II X4 645AMD A8-3800 APU
Max TDP95W65W
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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