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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9550 @ 2.83GHz vs AMD Phenom II X4 820

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

×Intel Core2 Quad Q9550 @ 2.83GHz×AMD Phenom II X4 820+ ADD
Price$325
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$291
Socket TypeLGA775AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.8 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 2009
# of Samples3789217
Cross-Platform Rating69565085
Single Thread Rating12251137
CPU Mark22682108
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 19th of October 2021 - Higher results represent better performance
Intel Core2 Quad Q9550 @ 2.83GHz
2,268
AMD Phenom II X4 820
2,108
CPU Value (CPU Mark / $Price)
As of 19th of October 2021 - Higher results represent better value
Intel Core2 Quad Q9550 @ 2.83GHz
6.98
AMD Phenom II X4 820
72.68
CPU Single Thread Rating
As of 19th of October 2021 - Higher results represent better performance
Intel Core2 Quad Q9550 @ 2.83GHz
1,225
AMD Phenom II X4 820
1,137

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 @ 2.83GHzAMD Phenom II X4 820
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.