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Intel i7-3770S vs AMD FX-8120 Eight-

The Intel Core i7-3770S @ 3.10GHz is newer than AMD FX-8120 Eight-Core and is around 33% faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, Intel Core i7-3770S @ 3.10GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 3818 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core i7-3770S @ 3.10GHz×AMD FX-8120 Eight-Core+ ADD
Price $97.17 - BUY Search Online
Socket TypeLGA1155AM3+
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.1 GHz
Turbo SpeedUp to 3.9 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 8)8 (in 4 physical modules)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 640KB, L2: 16.0MB, L3: 8MB
TDP65W125W
Yearly Running Cost$11.86$22.81
Other
First Seen on ChartQ2 2012Q4 2011
# of Samples12232595
CPU Value63.559.4
Single Thread Rating(% diff. to max in group)2039(0.0%)1334(-34.5%)
CPU Mark(% diff. to max in group)6172(0.0%)4631(-25.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 10th of November 2025 - Higher results represent better performance
Intel Core i7-3770S @ 3.10GHz
6,172
AMD FX-8120 Eight-Core
4,631
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 10th of November 2025 - Higher results represent better value
Intel Core i7-3770S @ 3.10GHz
63.5
AMD FX-8120 Eight-Core
59.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 10th of November 2025 - Higher results represent better performance
Intel Core i7-3770S @ 3.10GHz
2,039
AMD FX-8120 Eight-Core
1,334
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
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 i7-3770S @ 3.10GHz AMD FX-8120 Eight-Core
Max TDP65W125W
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.