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AMD Ryzen 9 9900X3D vs Intel Ultra 9 285K

The AMD Ryzen 9 9900X3D is newer than Intel Core Ultra 9 285K and is around -17% slower in multi-threaded (CPU Mark) testing. The AMD Ryzen 9 9900X3D is around -9% slower in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 7296 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 9900X3D×Intel Core Ultra 9 285K+ ADD
Price Search Online $559.77 - BUY
Socket TypeAM5FCLGA1851
CPU ClassDesktopDesktop
Clockspeed4.4 GHz3.7 GHz
Turbo SpeedUp to 5.5 GHzUp to 5.7 GHz
# of Physical Cores12 (Threads: 24)24 (Threads: 24)
CacheL1: 960KB, L2: 12.0MB, L3: 128MBL1: 2,432KB, L2: 40.0MB, L3: 36MB
TDP120W125W
Yearly Running Cost$21.90$22.81
OtherIntel Graphics
First Seen on ChartQ1 2025Q4 2024
# of Samples8436453
CPU Rank204125
CPU Value98.8120.4
Single Thread Rating(% diff. to max in group)4646(-8.7%)5091(0.0%)
CPU Mark(% diff. to max in group)56237(-16.5%)67369(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of March 2026 - Higher results represent better performance
AMD Ryzen 9 9900X3D
56,237
Intel Core Ultra 9 285K
67,369
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 15th of March 2026 - Higher results represent better value
AMD Ryzen 9 9900X3D
98.8
Intel Core Ultra 9 285K
120.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 15th of March 2026 - Higher results represent better performance
AMD Ryzen 9 9900X3D
4,646
Intel Core Ultra 9 285K
5,091
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.
AMD Ryzen 9 9900X3D Intel Core Ultra 9 285K
Max TDP120W125W
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.