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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X3 B75 vs Intel Core2 Quad Q9400 @ 2.66GHz

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

×AMD Phenom II X3 B75×Intel Core2 Quad Q9400 @ 2.66GHz+ ADD
Price$39.991$19.991
Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.0 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ2 2009Q4 2008
# of Samples592166
Cross-Platform Rating35215278
Single Thread Rating11641138
CPU Mark14922062
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 3rd of July 2020 - Higher results represent better performance
AMD Phenom II X3 B75
1,492
Intel Core2 Quad Q9400 @ 2.66GHz
2,062
CPU Value (CPU Mark / $Price)
As of 3rd of July 2020 - Higher results represent better value
AMD Phenom II X3 B75
37.31
Intel Core2 Quad Q9400 @ 2.66GHz
103.14
CPU Single Thread Rating
As of 3rd of July 2020 - Higher results represent better performance
AMD Phenom II X3 B75
1,164
Intel Core2 Quad Q9400 @ 2.66GHz
1,138

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.
AMD Phenom II X3 B75Intel Core2 Quad Q9400 @ 2.66GHz
Max TDP95W95W
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.