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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.

Intel Core2 Quad Q8400 @ 2.66GHzIntel Core2 Quad Q9505 @ 2.83GHz
Price$239.951$1901
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ2 2009Q4 2009
# of Samples1347149
Single Thread Rating11201182
CPU Mark31613538
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.


CPU Mark Rating
As of 25th of August 2019 - Higher results represent better performance
Intel Core2 Quad Q8400 @ 2.66GHz
3,161
Intel Core2 Quad Q9505 @ 2.83GHz
3,538
Intel Core i9-9900K @ 3.60GHz
20,220
AMD Ryzen 7 2700X
16,958
Intel Core i7-8700K @ 3.70GHz
15,963
Intel Core i7-8700 @ 3.20GHz
15,160
AMD Ryzen 7 1700X
14,683
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 25th of August 2019 - Higher results represent better value
Intel Core2 Quad Q8400 @ 2.66GHz
13.18
Intel Core2 Quad Q9505 @ 2.83GHz
18.62
Intel Core i9-9900K @ 3.60GHz
42.21
AMD Ryzen 7 2700X
68.14
Intel Core i7-8700K @ 3.70GHz
45.61
Intel Core i7-8700 @ 3.20GHz
42.11
AMD Ryzen 7 1700X
89.56
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 25th of August 2019 - Higher results represent better performance
Intel Core2 Quad Q8400 @ 2.66GHz
1,120
Intel Core2 Quad Q9505 @ 2.83GHz
1,182
Intel Core i9-9900K @ 3.60GHz
2,898
AMD Ryzen 7 2700X
2,190
Intel Core i7-8700K @ 3.70GHz
2,701
Intel Core i7-8700 @ 3.20GHz
2,630
AMD Ryzen 7 1700X
1,881
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.
Intel Core2 Quad Q8400 @ 2.66GHzIntel Core2 Quad Q9505 @ 2.83GHz
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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