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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i3-2105 @ 3.10GHz vs Intel Core2 Quad Q8400 @ 2.66GHz

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


×Intel Core i3-2105 @ 3.10GHz×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
Price$112.97
BUY NOW!		$128.881
Socket TypeLGA1155LGA775
CPU ClassDesktopDesktop
Clockspeed3.1 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
Max TDP65W95W
Yearly Running Cost$11.86$17.34
First Seen on ChartQ2 2011Q2 2009
# of Samples1081524
Single Thread Rating13871154
CPU Mark18712038
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of May 2022 - Higher results represent better performance
Intel Core i3-2105 @ 3.10GHz
 1,871
Intel Core2 Quad Q8400 @ 2.66GHz
 2,038
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 25th of May 2022 - Higher results represent better value
Intel Core i3-2105 @ 3.10GHz
 16.56
Intel Core2 Quad Q8400 @ 2.66GHz
 15.81
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 25th of May 2022 - Higher results represent better performance
Intel Core i3-2105 @ 3.10GHz
 1,387
Intel Core2 Quad Q8400 @ 2.66GHz
 1,154
PassMark Software © 2008-2022

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 Core i3-2105 @ 3.10GHzIntel Core2 Quad Q8400 @ 2.66GHz
Max TDP65W95W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.