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Intel Core Ultra 9 275HX vs Intel Core Ultra 9 285HX: Comparison
Core Ultra 9 275HX vs Core Ultra 9 285HX: the p-core boost clock difference
The first real difference is p-core boost clock: Core Ultra 9 275HX 5.4 GHz against Core Ultra 9 285HX 5.5 GHz. They differ on p-core base clock too, 2.7 GHz on the Core Ultra 9 275HX versus 2.8 GHz on the Core Ultra 9 285HX. There is a split on socket as well, FCBGA2114 on the Core Ultra 9 275HX versus BGA 2114 on the Core Ultra 9 285HX.
Which should you buy, Core Ultra 9 275HX or Core Ultra 9 285HX?
The Core Ultra 9 275HX suits high-end gaming laptops and mobile content creation, though it is the wrong buy for thin-and-light laptops and battery-life-focused use. Buy the Core Ultra 9 285HX for high-end gaming laptops and mobile content creation, though it is not built for thin-and-light laptops and battery-life-focused use. Our rating of the Core Ultra 9 275HX (8.8/10): the Intel Core Ultra 9 275HX brings desktop-class core counts to a mobile package, suited to high-end gaming and creator laptops that can handle the higher TDP. Our rating of the Core Ultra 9 285HX (8.8/10): the Intel Core Ultra 9 285HX brings desktop-class core counts to a mobile package, suited to high-end gaming and creator laptops that can handle the higher TDP.
Where the two are identical
Where they agree, they agree completely, total cores, performance cores, efficiency cores, total threads and tdp included, so the decision does not turn on any of those. They match on 11 further specifications as well.
Frequently asked questions
Is the L3 Cache the same on the Core Ultra 9 275HX and Core Ultra 9 285HX?
It is. Both are listed at 36 MB, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- Intel Core Ultra 9 275HX
- Laptop
- Intel Core Ultra 9 285HX
- Laptop
Codename
- Intel Core Ultra 9 275HX
- Arrow Lake
- Intel Core Ultra 9 285HX
- Arrow Lake
Release Year
- Intel Core Ultra 9 275HX
- 2025
- Intel Core Ultra 9 285HX
- 2025
TDP
- Intel Core Ultra 9 275HX
- 55 W
- Intel Core Ultra 9 285HX
- 55 W
iGPU
- Intel Core Ultra 9 275HX
- Intel Graphics
- Intel Core Ultra 9 285HX
- Intel Graphics (Xe-LPG, reduced EU count)
Market Segment
- Intel Core Ultra 9 275HX
- Laptop
- Intel Core Ultra 9 285HX
- Laptop
Microarchitecture
- Intel Core Ultra 9 275HX
- Arrow Lake-HX
- Intel Core Ultra 9 285HX
- Arrow Lake-HX
Socket
- Intel Core Ultra 9 275HX
- FCBGA2114
- Intel Core Ultra 9 285HX
- BGA 2114 (BGA, soldered)
Process Node
- Intel Core Ultra 9 275HX
- 3 nm
- Intel Core Ultra 9 285HX
- 3 nm
Total Cores
- Intel Core Ultra 9 275HX
- 24
- Intel Core Ultra 9 285HX
- 24
Performance Cores
- Intel Core Ultra 9 275HX
- 8
- Intel Core Ultra 9 285HX
- 8
Efficiency Cores
- Intel Core Ultra 9 275HX
- 16
- Intel Core Ultra 9 285HX
- 16
Total Threads
- Intel Core Ultra 9 275HX
- 24
- Intel Core Ultra 9 285HX
- 24
SMT Enabled
- Intel Core Ultra 9 275HX
- No
- Intel Core Ultra 9 285HX
- No
P-Core Base Clock
- Intel Core Ultra 9 275HX
- 2.7 GHz
- Intel Core Ultra 9 285HX
- 2.8 GHz
P-Core Boost Clock
- Intel Core Ultra 9 275HX
- 5.4 GHz
- Intel Core Ultra 9 285HX
- 5.5 GHz
L3 Cache
- Intel Core Ultra 9 275HX
- 36 MB
- Intel Core Ultra 9 285HX
- 36 MB
Base Power
- Intel Core Ultra 9 275HX
- 55 W
- Intel Core Ultra 9 285HX
- 55 W
Max Turbo Power
- Intel Core Ultra 9 275HX
- 160 W
- Intel Core Ultra 9 285HX
- 160 W
Memory Type
- Intel Core Ultra 9 275HX
- DDR5
- Intel Core Ultra 9 285HX
- DDR5
Integrated Graphics
- Intel Core Ultra 9 275HX
- Yes
- Intel Core Ultra 9 285HX
- Yes
NPU Peak TOPS
- Intel Core Ultra 9 275HX
- 13 TOPS (NPU 3)
- Intel Core Ultra 9 285HX
- 13 TOPS (NPU 3)
Which one should you pick?
Choose 275HX if you want the higher L3 cache (36 MB vs 36 MB).
Choose 285HX if you already have it on hand or find it at a lower price.
Verdict
Intel Core Ultra 9 275HX
8.8 / 10 Expert Rating
The Intel Core Ultra 9 275HX brings desktop-class core counts to a mobile package, suited to high-end gaming and creator laptops that can handle the higher TDP.
Intel Core Ultra 9 285HX
8.8 / 10 Expert Rating
The Intel Core Ultra 9 285HX brings desktop-class core counts to a mobile package, suited to high-end gaming and creator laptops that can handle the higher TDP.