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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-3960X @ 3.30GHz vs Intel Core i7-990X @ 3.47GHz

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

×Intel Core i7-3960X @ 3.30GHz×Intel Core i7-990X @ 3.47GHz+ ADD
Price$1105.081$789.951
Socket TypeLGA2011LGA1366
CPU ClassDesktopDesktop
Clockspeed3.3 GHz3.5 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.7 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
Max TDP130W130W
Yearly Running Cost$23.73$23.73
First Seen on ChartQ4 2011Q1 2011
# of Samples606384
Cross-Platform Rating1940316531
Single Thread Rating18161602
CPU Mark86317245
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 20th of April 2021 - Higher results represent better performance
Intel Core i7-3960X @ 3.30GHz
8,631
Intel Core i7-990X @ 3.47GHz
7,245
CPU Value (CPU Mark / $Price)
As of 20th of April 2021 - Higher results represent better value
Intel Core i7-3960X @ 3.30GHz
7.81
Intel Core i7-990X @ 3.47GHz
9.17
CPU Single Thread Rating
As of 20th of April 2021 - Higher results represent better performance
Intel Core i7-3960X @ 3.30GHz
1,816
Intel Core i7-990X @ 3.47GHz
1,602

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 i7-3960X @ 3.30GHzIntel Core i7-990X @ 3.47GHz
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.