Back to processor index
Laptop

Intel Core Ultra 9 285HX

Multicore performance
56,685
Single-core performance
4,613
Estimated price
Not listed
Processor specifications
Normalized fields from the source detail page.
Class
Laptop
Socket
FCBGA2114
Base clock
2.8 GHz
Turbo clock
5.5 GHz
Cores
24
Threads
24
Typical TDP
55 W
Release / first seen
Q2 2025
Cache per CPU package
Source values are kept verbatim to preserve package multipliers.
L1 Instruction Cache
8 x 64 KB
L1 Data Cache
8 x 48 KB
L2 Cache
8 x 3072 KB
L3 Cache
36 MB
Eff. L1 Instruction Cache
16 x 64 KB
Eff. L1 Data Cache
16 x 32 KB
Eff. L2 Cache
4 x 4096 KB
Additional source specifications
Variant-specific fields are stored alongside the normalized schema.
Description
Intel Graphics, Intel AI Boost
Total Cores
24 Cores, 24 Threads
Performance Cores
8 Cores, 8 Threads, 2.8 GHz Base, 5.5 GHz Turbo
Efficient Cores
16 Cores, 16 Threads, 2.1 GHz Base, 4.6 GHz Turbo
TDP Down
45 W
TDP Up
160 W
Memory Support
Max. Memory Size: 192 GB (Up to DDR5 6400 MT/s, ECC Supported)