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AMD Ryzen 9 3900 vs Intel i9-10900K

The Intel Core i9-10900K @ 3.70GHz is newer than AMD Ryzen 9 3900, while AMD Ryzen 9 3900 is around 26% faster in multi-threaded (CPU Mark) testing, but Intel Core i9-10900K @ 3.70GHz is around 16% faster in single-thread testing. However, AMD Ryzen 9 3900 uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 3672 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 9 3900×Intel Core i9-10900K @ 3.70GHz+ ADD
Price Search Online $485 - BUY
Socket TypeAM4FCLGA1200
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.7 GHz
Turbo SpeedUp to 4.3 GHzUp to 5.3 GHz
# of Physical Cores12 (Threads: 24)10 (Threads: 20)
CacheL1: 768KB, L2: 6.0MB, L3: 64MBL1: 640KB, L2: 2.5MB, L3: 20MB
TDP65W125W
Yearly Running Cost$11.86$22.81
OtherIntel UHD Graphics 630
First Seen on ChartQ4 2019Q2 2020
# of Samples4753197
CPU Value61.046.9
Single Thread Rating(% diff. to max in group)2617(-16.3%)3127(0.0%)
CPU Mark(% diff. to max in group)30724(0.0%)22728(-26.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of December 2024 - Higher results represent better performance
AMD Ryzen 9 3900
30,724
Intel Core i9-10900K @ 3.70GHz
22,728
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of December 2024 - Higher results represent better value
AMD Ryzen 9 3900
61.0
Intel Core i9-10900K @ 3.70GHz
46.9
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
AMD Ryzen 9 3900
2,617
Intel Core i9-10900K @ 3.70GHz
3,127
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 9 3900 Intel Core i9-10900K @ 3.70GHz
Max TDP65W125W
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.