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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-11900K vs AMD Ryzen 7 5800X

The Intel Core i9-11900K @ 3.50GHz is newer than AMD Ryzen 7 5800X and is around -10% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Core i9-11900K @ 3.50GHz uses around 17% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 27393 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 i9-11900K @ 3.50GHz×AMD Ryzen 7 5800X+ ADD
Price $369.6 - BUY $166.69 - BUY
Socket TypeFCLGA1200AM4
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.8 GHz
Turbo SpeedUp to 5.2 GHzUp to 4.7 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 640KB, L2: 4.0MB, L3: 16MBL1: 512KB, L2: 4.0MB, L3: 32MB
TDP125W105W
Yearly Running Cost$22.81$19.16
Other
First Seen on ChartQ1 2021Q4 2020
# of Samples431623077
CPU Rank690592
CPU Value67.5166.2
Single Thread Rating(% diff. to max in group)3505(0.0%)3449(-1.6%)
CPU Mark(% diff. to max in group)24949(-9.9%)27702(0.0%)

CPU Mark Rating
As of 6th of March 2026 - Higher results represent better performance
Intel Core i9-11900K @ 3.50GHz
24,949
AMD Ryzen 7 5800X
27,702
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 6th of March 2026 - Higher results represent better value
Intel Core i9-11900K @ 3.50GHz
67.5
AMD Ryzen 7 5800X
166.2
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 6th of March 2026 - Higher results represent better performance
Intel Core i9-11900K @ 3.50GHz
3,505
AMD Ryzen 7 5800X
3,449
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.
Intel Core i9-11900K @ 3.50GHz AMD Ryzen 7 5800X
Max TDP125W105W
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.