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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9550 @ 2.83GHz vs Intel Core2 Quad Q9450 @ 2.66GHz

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

×Intel Core2 Quad Q9550 @ 2.83GHz×Intel Core2 Quad Q9450 @ 2.66GHz+ ADD
Price$325
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$35.71
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 2008Q4 2008
# of Samples3788773
Cross-Platform Rating69636485
Single Thread Rating12261140
CPU Mark22702082
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 16th of October 2021 - Higher results represent better performance
Intel Core2 Quad Q9550 @ 2.83GHz
2,270
Intel Core2 Quad Q9450 @ 2.66GHz
2,082
CPU Value (CPU Mark / $Price)
As of 16th of October 2021 - Higher results represent better value
Intel Core2 Quad Q9550 @ 2.83GHz
6.99
Intel Core2 Quad Q9450 @ 2.66GHz
58.31
CPU Single Thread Rating
As of 16th of October 2021 - Higher results represent better performance
Intel Core2 Quad Q9550 @ 2.83GHz
1,226
Intel Core2 Quad Q9450 @ 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 Core2 Quad Q9550 @ 2.83GHzIntel Core2 Quad Q9450 @ 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.