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Intel i7-3820 vs AMD FX-8320 Eight-

The AMD FX-8320 Eight-Core is newer than Intel Core i7-3820 @ 3.60GHz and is around -5% slower in multi-threaded (CPU Mark) testing. The AMD FX-8320 Eight-Core is around -16% slower in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 11099 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 i7-3820 @ 3.60GHz×AMD FX-8320 Eight-Core+ ADD
Price $349.88 - BUY Search Online
Socket TypeLGA2011AM3+
CPU ClassDesktopDesktop
Clockspeed3.6 GHz3.5 GHz
Turbo SpeedUp to 3.8 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 8)8 (in 4 physical modules)
CacheL1: 256KB, L2: 1.0MB, L3: 10MBL1: 640KB, L2: 16.0MB, L3: 8MB
TDP130W125W
Yearly Running Cost$23.73$22.81
Other
First Seen on ChartQ1 2012Q4 2012
# of Samples32027897
CPU Value16.553.6
Single Thread Rating(% diff. to max in group)1742(0.0%)1467(-15.8%)
CPU Mark(% diff. to max in group)5784(0.0%)5469(-5.4%)
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 i7-3820 @ 3.60GHz
5,784
AMD FX-8320 Eight-Core
5,469
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 10th of November 2025 - Higher results represent better value
Intel Core i7-3820 @ 3.60GHz
16.5
AMD FX-8320 Eight-Core
53.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 10th of November 2025 - Higher results represent better performance
Intel Core i7-3820 @ 3.60GHz
1,742
AMD FX-8320 Eight-Core
1,467
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 i7-3820 @ 3.60GHz AMD FX-8320 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.