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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD FX-8120 Eight-Core vs Intel Core i5-9400F @ 2.90GHz vs AMD Ryzen 7 3800X

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

  • 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.

×AMD FX-8120 Eight-Core×Intel Core i5-9400F @ 2.90GHz×AMD Ryzen 7 3800X+ ADD
Price $38.95 - BUY $149.99 - BUY $164.87 - BUY
Socket TypeAM3+FCLGA1151-2AM4
CPU ClassDesktopDesktop, LaptopDesktop
Clockspeed3.1 GHz2.9 GHz3.9 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.1 GHzUp to 4.5 GHz
# of Physical Cores8 (in 4 physical modules)6 (Threads: 6)8 (Threads: 16)
CacheL1: 640KB, L2: 16.0MB, L3: 8MBL1: 384KB, L2: 1.5MB, L3: 9MBL1: 512KB, L2: 4.0MB, L3: 32MB
TDP125W65W105W
Yearly Running Cost$22.81$11.86$19.16
Other
First Seen on ChartQ4 2011Q1 2019Q3 2019
# of Samples251747035457
CPU Value119.363.1140.5
Single Thread Rating(% diff. to max in group)1336(-50.8%)2439(-10.3%)2718(0.0%)
CPU Mark(% diff. to max in group)4645(-80.0%)9471(-59.1%)23172(0.0%)

CPU Mark Rating
As of 30th of April 2024 - Higher results represent better performance
AMD FX-8120 Eight-Core
4,645
Intel Core i5-9400F @ 2.90GHz
9,471
AMD Ryzen 7 3800X
23,172
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 30th of April 2024 - Higher results represent better value
AMD FX-8120 Eight-Core
119.3
Intel Core i5-9400F @ 2.90GHz
63.1
AMD Ryzen 7 3800X
140.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 30th of April 2024 - Higher results represent better performance
AMD FX-8120 Eight-Core
1,336
Intel Core i5-9400F @ 2.90GHz
2,439
AMD Ryzen 7 3800X
2,718
PassMark Software © 2008-2024

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.
AMD FX-8120 Eight-CoreIntel Core i5-9400F @ 2.90GHzAMD Ryzen 7 3800X
Max TDP125W65W105W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.