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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-3960X @ 3.30GHz vs AMD FX-8120 Eight-Core

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


×Intel Core i7-3960X @ 3.30GHz×AMD FX-8120 Eight-Core+ ADD
Price$1105.081$158.02
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Socket TypeLGA2011AM3+
CPU ClassDesktopDesktop
Clockspeed3.3 GHz3.1 GHz
Turbo SpeedUp to 3.9 GHzUp to 4.0 GHz
# of Physical Cores6 (Threads: 12)8 (in 4 physical modules)
Max TDP130W125W
Yearly Running Cost$23.73$22.81
First Seen on ChartQ4 2011Q4 2011
# of Samples6062353
Cross-Platform Rating1940310389
Single Thread Rating18161317
CPU Mark86314528
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 23rd of April 2021 - Higher results represent better performance
Intel Core i7-3960X @ 3.30GHz
 8,631
AMD FX-8120 Eight-Core
 4,528
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 23rd of April 2021 - Higher results represent better value
Intel Core i7-3960X @ 3.30GHz
 7.81
AMD FX-8120 Eight-Core
 28.65
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 23rd of April 2021 - Higher results represent better performance
Intel Core i7-3960X @ 3.30GHz
 1,816
AMD FX-8120 Eight-Core
 1,317
PassMark Software © 2008-2021

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 @ 3.30GHzAMD FX-8120 Eight-Core
Max TDP130W125W
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.