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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-940 @ 2.93GHz vs Intel Core i7-975 @ 3.33GHz

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 Core i7-975 @ 3.33GHz+ ADD
Price$54.99
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$129.99
BUY NOW!
Socket TypeLGA1366LGA1366
CPU ClassDesktopDesktop
Clockspeed2.9 GHz3.3 GHz
Turbo SpeedUp to 3.2 GHzUp to 3.6 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP130W130W
Yearly Running Cost$23.73$23.73
First Seen on ChartQ4 2008Q2 2009
# of Samples268366
Cross-Platform Rating999310619
Single Thread Rating13491495
CPU Mark30753292

CPU Mark Rating
As of 15th of May 2021 - Higher results represent better performance
Intel Core i7-940 @ 2.93GHz
3,075
Intel Core i7-975 @ 3.33GHz
3,292
CPU Value (CPU Mark / $Price)
As of 15th of May 2021 - Higher results represent better value
Intel Core i7-940 @ 2.93GHz
55.91
Intel Core i7-975 @ 3.33GHz
25.32
CPU Single Thread Rating
As of 15th of May 2021 - Higher results represent better performance
Intel Core i7-940 @ 2.93GHz
1,349
Intel Core i7-975 @ 3.33GHz
1,495

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 Core i7-975 @ 3.33GHz
Max TDP130W130W
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.