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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 A8-3850 APUAMD Phenom II X4 840
Price$105.681$89.951
Socket TypeFM1AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed2.9 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP100W95W
Yearly Running Cost$18.25$17.34
First Seen on ChartQ2 2011Q1 2011
# of Samples427605
Single Thread Rating9951099
CPU Mark34683510
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.


CPU Mark Rating
As of 17th of December 2018 - Higher results represent better performance
AMD A8-3850 APU
3,468
AMD Phenom II X4 840
3,510
AMD Ryzen 7 2700X
16,969
Intel Core i7-8700K @ 3.70GHz
15,960
Intel Core i7-8700 @ 3.20GHz
15,139
AMD Ryzen 7 1700
13,748
Intel Core i7-5820K @ 3.30GHz
12,989
PassMark Software © 2008-2018

CPU Value (CPU Mark / $Price)
As of 17th of December 2018 - Higher results represent better value
AMD A8-3850 APU
32.82
AMD Phenom II X4 840
39.03
AMD Ryzen 7 2700X
56.57
Intel Core i7-8700K @ 3.70GHz
43.15
Intel Core i7-8700 @ 3.20GHz
36.25
AMD Ryzen 7 1700
65.47
Intel Core i7-5820K @ 3.30GHz
43.30
PassMark Software © 2008-2018

CPU Single Thread Rating
As of 17th of December 2018 - Higher results represent better performance
AMD A8-3850 APU
995
AMD Phenom II X4 840
1,099
AMD Ryzen 7 2700X
2,193
Intel Core i7-8700K @ 3.70GHz
2,703
Intel Core i7-8700 @ 3.20GHz
2,628
AMD Ryzen 7 1700
1,775
Intel Core i7-5820K @ 3.30GHz
2,022
PassMark Software © 2008-2018





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 A8-3850 APUAMD Phenom II X4 840
Max TDP100W95W
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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