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Over 1,000,000 CPUs benchmarked

Intel Ultra 9 285 vs Ultra 9 285K

Both CPUs were released (or first benchmaked) within the last year, while Intel Core Ultra 9 285K is around 21% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core Ultra 9 285 uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 574 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.

×Intel Core Ultra 9 285×Intel Core Ultra 9 285K+ ADD
Price Search Online $629.99 - BUY
Socket TypeFCLGA1851FCLGA1851
CPU ClassDesktopDesktop
Clockspeed2.5 GHz3.7 GHz
Turbo SpeedUp to 5.6 GHzUp to 5.7 GHz
# of Physical Cores24 (Threads: 24)24 (Threads: 24)
CacheL1: 2,432KB, L2: 40.0MB, L3: 36MBL1: 2,432KB, L2: 40.0MB, L3: 36MB
TDP65W125W
Yearly Running Cost$11.86$22.81
OtherIntel GraphicsIntel Graphics
First Seen on ChartQ1 2025Q4 2024
# of Samples4570
CPU Value98.0107.6
Single Thread Rating(% diff. to max in group)4909(-3.2%)5073(0.0%)
CPU Mark(% diff. to max in group)53821(-20.6%)67769(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of February 2025 - Higher results represent better performance
Intel Core Ultra 9 285
53,821
Intel Core Ultra 9 285K
67,769
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 21st of February 2025 - Higher results represent better value
Intel Core Ultra 9 285
98.0
Intel Core Ultra 9 285K
107.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 21st of February 2025 - Higher results represent better performance
Intel Core Ultra 9 285
4,909
Intel Core Ultra 9 285K
5,073
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.
Intel Core Ultra 9 285 Intel Core Ultra 9 285K
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.