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Intel i7-4790K vs AMD FX-8320E Eight-

The AMD FX-8320E Eight-Core is newer than Intel Core i7-4790K @ 4.00GHz, while Intel Core i7-4790K @ 4.00GHz is around 37% faster in multi-threaded (CPU Mark) testing, it is around 42% faster 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 24700 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 i7-4790K @ 4.00GHz×AMD FX-8320E Eight-Core+ ADD
Price $85.02 - BUY Search Online
Socket TypeLGA1150AM3+
CPU ClassDesktopDesktop
Clockspeed4.0 GHz3.2 GHz
Turbo SpeedUp to 4.4 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
TDP88W95W
Yearly Running Cost$16.06$17.34
Other
First Seen on ChartQ2 2014Q4 2014
# of Samples229591741
CPU Value94.954.9
Single Thread Rating(% diff. to max in group)2466(0.0%)1432(-41.9%)
CPU Mark(% diff. to max in group)8067(0.0%)5106(-36.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core i7-4790K @ 4.00GHz
8,067
AMD FX-8320E Eight-Core
5,106
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
Intel Core i7-4790K @ 4.00GHz
94.9
AMD FX-8320E Eight-Core
54.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core i7-4790K @ 4.00GHz
2,466
AMD FX-8320E Eight-Core
1,432
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 i7-4790K @ 4.00GHz AMD FX-8320E Eight-Core
Max TDP88W95W
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.