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AMD Ryzen 7 5800X3D vs Intel i9-11900KB

The AMD Ryzen 7 5800X3D is newer than Intel Core i9-11900KB @ 3.30GHz also around 19% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Ryzen 7 5800X3D uses around 47% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 7381 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 5800X3D×Intel Core i9-11900KB @ 3.30GHz+ ADD
Price $758.17 - BUY Search Online
Socket TypeAM4FCBGA1787
CPU ClassDesktopDesktop
Clockspeed3.4 GHz3.3 GHz
Turbo SpeedUp to 4.5 GHzUp to 4.9 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 4.0MB, L3: 96MBL1: 640KB, L2: 10.0MB, L3: 24MB
TDP105W65W
Yearly Running Cost$19.16$11.86
OtherIntel UHD Graphics for 11th Gen Intel Processors
First Seen on ChartQ2 2022Q3 2021
# of Samples728992
CPU Value37.342.4
Single Thread Rating(% diff. to max in group)3233(-2.2%)3307(0.0%)
CPU Mark(% diff. to max in group)28309(0.0%)22879(-19.2%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
AMD Ryzen 7 5800X3D
28,309
Intel Core i9-11900KB @ 3.30GHz
22,879
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
AMD Ryzen 7 5800X3D
37.3
Intel Core i9-11900KB @ 3.30GHz
42.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
AMD Ryzen 7 5800X3D
3,233
Intel Core i9-11900KB @ 3.30GHz
3,307
PassMark Software © 2008-2025
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 5800X3D Intel Core i9-11900KB @ 3.30GHz
Max TDP105W65W
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.