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 Phenom II X4 945Intel Core2 Quad Q9550 @ 2.83GHz
Price$49.49 BUY NOW!$44.49 BUY NOW!
Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.0 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP125W95W
Yearly Running Cost$22.81$17.34
First Seen on ChartQ2 2009Q4 2008
# of Samples13863247
Single Thread Rating10371196
CPU Mark36563966


CPU Mark Rating
As of 20th of February 2019 - Higher results represent better performance
AMD Phenom II X4 945
3,656
Intel Core2 Quad Q9550 @ 2.83GHz
3,966
AMD Ryzen 7 2700X
16,983
Intel Core i7-8700K @ 3.70GHz
15,966
Intel Core i7-8700 @ 3.20GHz
15,138
AMD Ryzen 7 1700
13,747
AMD Ryzen 5 2600
13,542
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 20th of February 2019 - Higher results represent better value
AMD Phenom II X4 945
73.88
Intel Core2 Quad Q9550 @ 2.83GHz
89.14
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
82.08
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 20th of February 2019 - Higher results represent better performance
AMD Phenom II X4 945
1,037
Intel Core2 Quad Q9550 @ 2.83GHz
1,196
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
2,008
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 II X4 945Intel Core2 Quad Q9550 @ 2.83GHz
Max TDP125W95W
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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