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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q8300 @ 2.50GHz 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 Q8300 @ 2.50GHz×Intel Core2 Quad Q9400 @ 2.66GHz+ ADD
Price$49.991$38.031
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.5 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ1 2009Q4 2008
# of Samples19292157
Cross-Platform Rating42285198
Single Thread Rating10401133
CPU Mark17602044
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 31st of May 2020 - Higher results represent better performance
Intel Core2 Quad Q8300 @ 2.50GHz
1,760
Intel Core2 Quad Q9400 @ 2.66GHz
2,044
CPU Value (CPU Mark / $Price)
As of 31st of May 2020 - Higher results represent better value
Intel Core2 Quad Q8300 @ 2.50GHz
35.22
Intel Core2 Quad Q9400 @ 2.66GHz
53.74
CPU Single Thread Rating
As of 31st of May 2020 - Higher results represent better performance
Intel Core2 Quad Q8300 @ 2.50GHz
1,040
Intel Core2 Quad Q9400 @ 2.66GHz
1,133

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 Q8300 @ 2.50GHzIntel Core2 Quad Q9400 @ 2.66GHz
Max TDP95W95W
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.