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AMD Ryzen 7 3800X vs Intel i9-11900K

The Intel Core i9-11900K @ 3.50GHz is newer than AMD Ryzen 7 3800X also around 8% faster in multi-threaded (CPU Mark) testing, it is around 23% faster in single-thread testing. However, 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 8643 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 i9-11900K @ 3.50GHz+ ADD
Price $158.98 - BUY $239.99 - BUY
Socket TypeAM4FCLGA1200
CPU ClassDesktopDesktop
Clockspeed3.9 GHz3.5 GHz
Turbo SpeedUp to 4.5 GHzUp to 5.2 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 4.0MB, L3: 32MBL1: 640KB, L2: 4.0MB, L3: 16MB
TDP105W125W
Yearly Running Cost$19.16$22.81
Other
First Seen on ChartQ3 2019Q1 2021
# of Samples57712872
CPU Value145.6105.1
Single Thread Rating(% diff. to max in group)2717(-22.7%)3516(0.0%)
CPU Mark(% diff. to max in group)23140(-8.2%)25212(0.0%)

CPU Mark Rating
As of 21st of November 2024 - Higher results represent better performance
AMD Ryzen 7 3800X
23,140
Intel Core i9-11900K @ 3.50GHz
25,212
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of November 2024 - Higher results represent better value
AMD Ryzen 7 3800X
145.6
Intel Core i9-11900K @ 3.50GHz
105.1
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of November 2024 - Higher results represent better performance
AMD Ryzen 7 3800X
2,717
Intel Core i9-11900K @ 3.50GHz
3,516
PassMark Software © 2008-2024
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 i9-11900K @ 3.50GHz
Max TDP105W125W
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.