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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9550 @ 2.83GHz vs Intel Core i5-8400 @ 2.80GHz

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 Core i5-8400 @ 2.80GHz+ ADD
Price$59.951$169.97
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Socket TypeLGA775FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.8 GHz
Turbo SpeedNot SupportedUp to 4.0 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 6)
Max TDP95W65W
Yearly Running Cost$17.34$11.86
First Seen on ChartQ4 2008Q4 2017
# of Samples36433735
Cross-Platform Rating694917228
Single Thread Rating12232412
CPU Mark22619194
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of August 2020 - Higher results represent better performance
Intel Core2 Quad Q9550 @ 2.83GHz
2,261
Intel Core i5-8400 @ 2.80GHz
9,194
CPU Value (CPU Mark / $Price)
As of 6th of August 2020 - Higher results represent better value
Intel Core2 Quad Q9550 @ 2.83GHz
37.72
Intel Core i5-8400 @ 2.80GHz
54.09
CPU Single Thread Rating
As of 6th of August 2020 - Higher results represent better performance
Intel Core2 Quad Q9550 @ 2.83GHz
1,223
Intel Core i5-8400 @ 2.80GHz
2,412

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 Core i5-8400 @ 2.80GHz
Max TDP95W65W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
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Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.