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Over 1,000,000 CPUs benchmarked

AMD Ryzen 7 3800X vs Intel i9-9900KF

The AMD Ryzen 7 3800X is newer than Intel Core i9-9900KF @ 3.60GHz and is around 27% faster in multi-threaded (CPU Mark) testing. The AMD Ryzen 7 3800X is around -7% slower in single-thread testing. Also, AMD Ryzen 7 3800X uses around 10% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 9735 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.

×AMD Ryzen 7 3800X×Intel Core i9-9900KF @ 3.60GHz+ ADD
Price $263.99 - BUY $299 - BUY
Socket TypeAM4FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.9 GHz3.6 GHz
Turbo SpeedUp to 4.5 GHzUp to 5.0 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 4.0MB, L3: 32MBL1: 512KB, L2: 2.0MB, L3: 16MB
TDP105W95W
Yearly Running Cost$19.16$17.34
Other
First Seen on ChartQ3 2019Q2 2019
# of Samples73032432
CPU Rank7511035
CPU Value87.160.3
Single Thread Rating(% diff. to max in group)2711(-6.7%)2904(0.0%)
CPU Mark(% diff. to max in group)22994(0.0%)18038(-21.6%)

CPU Mark Rating
As of 9th of February 2026 - Higher results represent better performance
AMD Ryzen 7 3800X
22,994
Intel Core i9-9900KF @ 3.60GHz
18,038
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 9th of February 2026 - Higher results represent better value
AMD Ryzen 7 3800X
87.1
Intel Core i9-9900KF @ 3.60GHz
60.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 9th of February 2026 - Higher results represent better performance
AMD Ryzen 7 3800X
2,711
Intel Core i9-9900KF @ 3.60GHz
2,904
PassMark Software © 2008-2026
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.
AMD Ryzen 7 3800X Intel Core i9-9900KF @ 3.60GHz
Max TDP105W95W
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.