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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-940 @ 2.93GHz 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.

×Intel Core i7-940 @ 2.93GHz×Intel Core2 Quad Q9400 @ 2.66GHz+ ADD
Price$54.98
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$57.94
BUY NOW!
Socket TypeLGA1366LGA775
CPU ClassDesktopDesktop
Clockspeed2.9 GHz2.7 GHz
Turbo SpeedUp to 3.2 GHzNot Supported
# of Physical Cores4 (Threads: 8)4 (Threads: 4)
Max TDP130W95W
Yearly Running Cost$23.73$17.34
First Seen on ChartQ4 2008Q4 2008
# of Samples2692271
Cross-Platform Rating100605232
Single Thread Rating13501139
CPU Mark30852043

CPU Mark Rating
As of 26th of September 2021 - Higher results represent better performance
Intel Core i7-940 @ 2.93GHz
3,085
Intel Core2 Quad Q9400 @ 2.66GHz
2,043
CPU Value (CPU Mark / $Price)
As of 26th of September 2021 - Higher results represent better value
Intel Core i7-940 @ 2.93GHz
56.10
Intel Core2 Quad Q9400 @ 2.66GHz
35.27
CPU Single Thread Rating
As of 26th of September 2021 - Higher results represent better performance
Intel Core i7-940 @ 2.93GHz
1,350
Intel Core2 Quad Q9400 @ 2.66GHz
1,139

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 Core i7-940 @ 2.93GHzIntel Core2 Quad Q9400 @ 2.66GHz
Max TDP130W95W
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.