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AMD Ryzen 7 3800XT vs Intel i9-10900K

The AMD Ryzen 7 3800XT is newer than Intel Core i9-10900K @ 3.70GHz, while the multi-threaded (CPU Mark) is simliar, Intel Core i9-10900K @ 3.70GHz is around 10% faster in single-thread testing. However, Intel Core i9-10900K @ 3.70GHz 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 4073 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 3800XT×Intel Core i9-10900K @ 3.70GHz+ ADD
Price $499 - BUY $489.99 - BUY
Socket TypeAM4FCLGA1200
CPU ClassDesktopDesktop
Clockspeed3.9 GHz3.7 GHz
Turbo SpeedUp to 4.7 GHzUp to 5.3 GHz
# of Physical Cores8 (Threads: 16)10 (Threads: 20)
CacheL1: 512KB, L2: 4.0MB, L3: 32MBL1: 640KB, L2: 2.5MB, L3: 20MB
TDP105W125W
Yearly Running Cost$19.16$22.81
OtherIntel UHD Graphics 630
First Seen on ChartQ3 2020Q2 2020
# of Samples6873386
CPU Value47.346.1
Single Thread Rating(% diff. to max in group)2803(-10.1%)3119(0.0%)
CPU Mark(% diff. to max in group)23590(0.0%)22612(-4.1%)

CPU Mark Rating
As of 12th of March 2025 - Higher results represent better performance
AMD Ryzen 7 3800XT
23,590
Intel Core i9-10900K @ 3.70GHz
22,612
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 12th of March 2025 - Higher results represent better value
AMD Ryzen 7 3800XT
47.3
Intel Core i9-10900K @ 3.70GHz
46.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 12th of March 2025 - Higher results represent better performance
AMD Ryzen 7 3800XT
2,803
Intel Core i9-10900K @ 3.70GHz
3,119
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 3800XT Intel Core i9-10900K @ 3.70GHz
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.