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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9400 @ 2.66GHz vs Intel Core2 Quad Q9450 @ 2.66GHz vs Intel Pentium D 830 @ 3.00GHz vs Intel Pentium D 805 @ 2.66GHz

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

×Intel Core2 Quad Q9400 @ 2.66GHz×Intel Core2 Quad Q9450 @ 2.66GHz×Intel Pentium D 830 @ 3.00GHz×Intel Pentium D 805 @ 2.66GHz+ ADD
Price$49.88
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Socket TypeLGA775LGA775PLGA775PLGA775
CPU ClassDesktopDesktopDesktopDesktop
Clockspeed2.7 GHz2.7 GHz3.0 GHz2.7 GHz
Turbo SpeedNot SupportedNot SupportedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)2 (Threads: 2)2 (Threads: 2)
Max TDP95W95W95W95W
Yearly Running Cost$17.34$17.34$17.34$17.34
First Seen on ChartQ4 2008Q4 2008Q4 2008Q4 2008
# of Samples22667701020136
Cross-Platform Rating524565151149636
Single Thread Rating1140114156034973
CPU Mark20462089513374
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 30th of July 2021 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
2,046
Intel Core2 Quad Q9450 @ 2.66GHz
2,089
Intel Pentium D 830 @ 3.00GHz
513
Intel Pentium D 805 @ 2.66GHz
374
CPU Value (CPU Mark / $Price)
As of 30th of July 2021 - Higher results represent better value
Intel Core2 Quad Q9400 @ 2.66GHz
41.02
Intel Core2 Quad Q9450 @ 2.66GHz
58.51
Intel Pentium D 830 @ 3.00GHz
NA
Intel Pentium D 805 @ 2.66GHz
NA
CPU Single Thread Rating
As of 30th of July 2021 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
1,140
Intel Core2 Quad Q9450 @ 2.66GHz
1,141
Intel Pentium D 830 @ 3.00GHz
560
Intel Pentium D 805 @ 2.66GHz
497

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 Q9400 @ 2.66GHzIntel Core2 Quad Q9450 @ 2.66GHzIntel Pentium D 830 @ 3.00GHzIntel Pentium D 805 @ 2.66GHz
Max TDP95W95W95W95W
Power consumption per day (kWh)NANANANA
Running cost per dayNANANANA
Power consumption per year (kWh)NANANANA
Running cost per yearNANANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.