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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9400 @ 2.66GHz vs Intel Core2 Quad Q6600 @ 2.40GHz vs Intel Pentium E6700 @ 3.20GHz

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

×Intel Core2 Quad Q9400 @ 2.66GHz×Intel Core2 Quad Q6600 @ 2.40GHz×Intel Pentium E6700 @ 3.20GHz+ ADD
Price$38.011$5181$149.951
Socket TypeLGA775LGA775LGA775
CPU ClassDesktopDesktopDesktop
Clockspeed2.7 GHz2.4 GHz3.2 GHz
Turbo SpeedNot SupportedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)2 (Threads: 2)
Max TDP95W105W65W
Yearly Running Cost$17.34$19.16$11.86
First Seen on ChartQ4 2008Q4 2008Q2 2010
# of Samples22207106436
Cross-Platform Rating535245402516
Single Thread Rating114695512603
CPU Mark207617571084
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 30th of November 2020 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
2,076
Intel Core2 Quad Q6600 @ 2.40GHz
1,757
Intel Pentium E6700 @ 3.20GHz
1,084
CPU Value (CPU Mark / $Price)
As of 30th of November 2020 - Higher results represent better value
Intel Core2 Quad Q9400 @ 2.66GHz
54.61
Intel Core2 Quad Q6600 @ 2.40GHz
3.39
Intel Pentium E6700 @ 3.20GHz
7.23
CPU Single Thread Rating
As of 30th of November 2020 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
1,146
Intel Core2 Quad Q6600 @ 2.40GHz
955
Intel Pentium E6700 @ 3.20GHz
1,260

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 Q9400 @ 2.66GHzIntel Core2 Quad Q6600 @ 2.40GHzIntel Pentium E6700 @ 3.20GHz
Max TDP95W105W65W
Power consumption per day (kWh)abcabcabc
Running cost per dayabcabcabc
Power consumption per year (kWh)abcabcabc
Running cost per yearabcabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.