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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9505 @ 2.83GHz 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 Core2 Quad Q9505 @ 2.83GHz×Intel Core2 Quad Q8400 @ 2.66GHz+ ADD
Price$1901$128.881
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.8 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 ChartQ4 2009Q2 2009
# of Samples1801501
Single Thread Rating11901151
CPU Mark20202008
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of December 2021 - Higher results represent better performance
Intel Core2 Quad Q9505 @ 2.83GHz
2,020
Intel Core2 Quad Q8400 @ 2.66GHz
2,008
CPU Value (CPU Mark / $Price)
As of 6th of December 2021 - Higher results represent better value
Intel Core2 Quad Q9505 @ 2.83GHz
10.63
Intel Core2 Quad Q8400 @ 2.66GHz
15.58
CPU Single Thread Rating
As of 6th of December 2021 - Higher results represent better performance
Intel Core2 Quad Q9505 @ 2.83GHz
1,190
Intel Core2 Quad Q8400 @ 2.66GHz
1,151

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 Q9505 @ 2.83GHzIntel 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.