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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q6600 @ 2.40GHz vs Intel Core2 Quad Q9400 @ 2.66GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.


×Intel Core2 Quad Q6600 @ 2.40GHz×Intel Core2 Quad Q9400 @ 2.66GHz+ ADD
Price$189.95
BUY NOW!		$38.031
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.4 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP105W95W
Yearly Running Cost$19.16$17.34
First Seen on ChartQ4 2008Q4 2008
# of Samples70872191
Cross-Platform Rating45235254
Single Thread Rating9531138
CPU Mark17532054
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 20th of October 2020 - Higher results represent better performance
Intel Core2 Quad Q6600 @ 2.40GHz
 1,753
Intel Core2 Quad Q9400 @ 2.66GHz
 2,054
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 20th of October 2020 - Higher results represent better value
Intel Core2 Quad Q6600 @ 2.40GHz
 9.23
Intel Core2 Quad Q9400 @ 2.66GHz
 54.00
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 20th of October 2020 - Higher results represent better performance
Intel Core2 Quad Q6600 @ 2.40GHz
 953
Intel Core2 Quad Q9400 @ 2.66GHz
 1,138
PassMark Software © 2008-2020

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power 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 Q6600 @ 2.40GHzIntel Core2 Quad Q9400 @ 2.66GHz
Max TDP105W95W
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.