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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Extreme X9775 @ 3.20GHz vs Intel Core2 Quad Q9550 @ 2.83GHz

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


×Intel Core2 Extreme X9775 @ 3.20GHz×Intel Core2 Quad Q9550 @ 2.83GHz+ ADD
Price$1805.951$59.831
Socket TypeLGA771LGA775
CPU ClassDesktopDesktop
Clockspeed3.2 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP150W95W
Yearly Running Cost$27.38$17.34
First Seen on ChartQ1 2009Q4 2008
# of Samples43686
Cross-Platform Rating07002
Single Thread Rating14511226
CPU Mark27802272
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 30th of October 2020 - Higher results represent better performance
Intel Core2 Extreme X9775 @ 3.20GHz
 2,780
Intel Core2 Quad Q9550 @ 2.83GHz
 2,272
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 30th of October 2020 - Higher results represent better value
Intel Core2 Extreme X9775 @ 3.20GHz
 1.54
Intel Core2 Quad Q9550 @ 2.83GHz
 37.97
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 30th of October 2020 - Higher results represent better performance
Intel Core2 Extreme X9775 @ 3.20GHz
 1,451
Intel Core2 Quad Q9550 @ 2.83GHz
 1,226
PassMark Software © 2008-2020

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 Extreme X9775 @ 3.20GHzIntel Core2 Quad Q9550 @ 2.83GHz
Max TDP150W95W
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.