PassMark Software
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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 Athlon II X3 450
Price$79.95 BUY NOW!$38.01 BUY NOW!
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores43
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ4 2010Q4 2010
# of Samples528514
Single Thread Rating10711060
CPU Mark34672621


CPU Mark Rating
As of 15th of September 2019 - Higher results represent better performance
AMD Athlon II X4 645
3,467
AMD Athlon II X3 450
2,621
Intel Core i9-9900K @ 3.60GHz
20,195
Intel Core i7-9700K @ 3.60GHz
17,174
AMD Ryzen 7 2700X
16,980
Intel Core i7-8700K @ 3.70GHz
15,929
Intel Core i7-8700 @ 3.20GHz
15,142
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 15th of September 2019 - Higher results represent better value
AMD Athlon II X4 645
43.37
AMD Athlon II X3 450
68.96
Intel Core i9-9900K @ 3.60GHz
40.80
Intel Core i7-9700K @ 3.60GHz
47.84
AMD Ryzen 7 2700X
73.83
Intel Core i7-8700K @ 3.70GHz
45.51
Intel Core i7-8700 @ 3.20GHz
41.04
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 15th of September 2019 - Higher results represent better performance
AMD Athlon II X4 645
1,071
AMD Athlon II X3 450
1,060
Intel Core i9-9900K @ 3.60GHz
2,895
Intel Core i7-9700K @ 3.60GHz
2,819
AMD Ryzen 7 2700X
2,185
Intel Core i7-8700K @ 3.70GHz
2,698
Intel Core i7-8700 @ 3.20GHz
2,628
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 Athlon II X3 450
Max TDP95W95W
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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