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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-650 @ 3.20GHz 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 Core i5-650 @ 3.20GHz×Intel Core2 Quad Q9400 @ 2.66GHz+ ADD
Price$32.93
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$38.011
Socket TypeLGA1156LGA775
CPU ClassDesktopDesktop
Clockspeed3.2 GHz2.7 GHz
Turbo SpeedUp to 3.5 GHzNot Supported
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
Max TDP73W95W
Yearly Running Cost$13.32$17.34
First Seen on ChartQ1 2010Q4 2008
# of Samples27242328
Single Thread Rating13831140
CPU Mark22162073
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of June 2022 - Higher results represent better performance
Intel Core i5-650 @ 3.20GHz
2,216
Intel Core2 Quad Q9400 @ 2.66GHz
2,073
CPU Value (CPU Mark / $Price)
As of 28th of June 2022 - Higher results represent better value
Intel Core i5-650 @ 3.20GHz
67.28
Intel Core2 Quad Q9400 @ 2.66GHz
54.54
CPU Single Thread Rating
As of 28th of June 2022 - Higher results represent better performance
Intel Core i5-650 @ 3.20GHz
1,383
Intel Core2 Quad Q9400 @ 2.66GHz
1,140

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 i5-650 @ 3.20GHzIntel Core2 Quad Q9400 @ 2.66GHz
Max TDP73W95W
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.