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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

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

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


×Intel Core i7-975 @ 3.33GHz×Intel Core i7-940 @ 2.93GHz+ ADD
Price$770
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Socket TypeLGA1366LGA1366
CPU ClassDesktopDesktop
Clockspeed3.3 GHz2.9 GHz
Turbo SpeedUp to 3.6 GHzUp to 3.2 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP130W130W
Yearly Running Cost$23.73$23.73
First Seen on ChartQ2 2009Q4 2008
# of Samples374277
Single Thread Rating(% diff. to max in group)1508(0.0%)1302(-13.6%)
CPU Mark(% diff. to max in group)3370(0.0%)2920(-13.3%)

CPU Mark Rating
As of 4th of July 2022 - Higher results represent better performance
Intel Core i7-975 @ 3.33GHz
 3,370
Intel Core i7-940 @ 2.93GHz
 2,920
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 4th of July 2022 - Higher results represent better value
Intel Core i7-975 @ 3.33GHz
 4.38
Intel Core i7-940 @ 2.93GHz
 59.59
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 4th of July 2022 - Higher results represent better performance
Intel Core i7-975 @ 3.33GHz
 1,508
Intel Core i7-940 @ 2.93GHz
 1,302
PassMark Software © 2008-2022

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 i7-975 @ 3.33GHzIntel Core i7-940 @ 2.93GHz
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.