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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i9-9900KS @ 4.00GHz 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.

×Intel Core i9-9900KS @ 4.00GHz×AMD Ryzen 7 3800X+ ADD
Price $999.99 - BUY $304.99 - BUY
Socket TypeFCLGA1151-2AM4
CPU ClassDesktopDesktop
Clockspeed4.0 GHz3.9 GHz
Turbo SpeedUp to 5.0 GHzUp to 4.5 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 256KB, L2: 1.0MB, L3: 16MBL1: 512KB, L2: 4.0MB, L3: 32MB
Max TDP127W105W
Yearly Running Cost$23.18$19.16
OtherIntel UHD Graphics 630
First Seen on ChartQ4 2019Q3 2019
# of Samples4304679
CPU Value19.676.3
Single Thread Rating(% diff. to max in group)3041(0.0%)2721(-10.5%)
CPU Mark(% diff. to max in group)19594(-15.8%)23266(0.0%)

CPU Mark Rating
As of 30th of March 2023 - Higher results represent better performance
Intel Core i9-9900KS @ 4.00GHz
19,594
AMD Ryzen 7 3800X
23,266
PassMark Software © 2008-2023
CPU Value (CPU Mark / $Price)
As of 30th of March 2023 - Higher results represent better value
Intel Core i9-9900KS @ 4.00GHz
19.6
AMD Ryzen 7 3800X
76.3
PassMark Software © 2008-2023
CPU Single Thread Rating
As of 30th of March 2023 - Higher results represent better performance
Intel Core i9-9900KS @ 4.00GHz
3,041
AMD Ryzen 7 3800X
2,721
PassMark Software © 2008-2023

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 i9-9900KS @ 4.00GHzAMD Ryzen 7 3800X
Max TDP127W105W
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.