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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 Phenom 9950 Quad-CoreAMD Phenom II X4 955
Price$134.991$130.161
Socket TypeAM2+AM3
CPU ClassDesktopDesktop
Clockspeed2.6 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP125W125W
Yearly Running Cost$22.81$22.81
First Seen on ChartQ4 2008Q1 2009
# of Samples3433471
Single Thread Rating8891109
CPU Mark30093927
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 Phenom 9950 Quad-Core
3,009
AMD Phenom II X4 955
3,927
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 Phenom 9950 Quad-Core
22.30
AMD Phenom II X4 955
30.18
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 Phenom 9950 Quad-Core
889
AMD Phenom II X4 955
1,109
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 Phenom 9950 Quad-CoreAMD Phenom II X4 955
Max TDP125W125W
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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