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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-750 @ 2.67GHz 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 i5-750 @ 2.67GHz×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
Price$199.991$128.881
Socket TypeLGA1156LGA775
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.7 GHz
Turbo SpeedUp to 3.2 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ3 2009Q2 2009
# of Samples33141529
Single Thread Rating12401154
CPU Mark25012041
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of June 2022 - Higher results represent better performance
Intel Core i5-750 @ 2.67GHz
2,501
Intel Core2 Quad Q8400 @ 2.66GHz
2,041
CPU Value (CPU Mark / $Price)
As of 25th of June 2022 - Higher results represent better value
Intel Core i5-750 @ 2.67GHz
12.50
Intel Core2 Quad Q8400 @ 2.66GHz
15.83
CPU Single Thread Rating
As of 25th of June 2022 - Higher results represent better performance
Intel Core i5-750 @ 2.67GHz
1,240
Intel Core2 Quad Q8400 @ 2.66GHz
1,154

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 i5-750 @ 2.67GHzIntel Core2 Quad Q8400 @ 2.66GHz
Max TDP95W95W
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.