Home/Processors/Intel Core Ultra 9 285HX

Intel Laptop CPU

Intel Core Ultra 9 285HX

82A

Cores24
Threads24
Boost Clock5.5 GHz
TDP45-55 W (configurable)
SocketFCBGA-2114
Process3 nm

⇄ Compare with…

Benchmarks

Perf.86

iGPU51

Energy73

Cinebench 2024 Single-Core126

Cinebench 2024 Multi-Core2240

TDP45-55 W

Cache L336MB

Cinebench 2024 (Single)126

Cinebench 2024 (Multi)2240

Geekbench 6 (Single-Core)3088

Geekbench 6 (Multi-Core)21,043

Passmark CPU (Single-Core)4609

Passmark CPU (Multi-Core)56,553

Blender CPU521.1

iGPU FLOPS2 TFLOPS

Full specifications

GeekBench v6

File compression

1540 MB/sec

Clang compilation

227 Klines/sec

HTML 5 Browser

483.8 pages/sec

PDF Renderer

592.1 Mpixels/sec

Text processing

350.1 pages/sec

Background blur

90.1 images/sec

Photo processing

161.3 images/sec

Ray tracing

50.5 Mpixels/sec

PassMark

Integer math

154.3 GOps/sec

Floating point math

193.9 GOps/sec

Find prime numbers

457M Primes/sec

Random string sorting

76.7M Strings/sec

Data encryption

48.3 GBytes/sec

Data compression

628.2 MBytes/sec

Physics

3444 Frames/sec

Extended instructions

48.8B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt

40.7 PPW

Geekbench 6 Multi / Watt

382.6 PPW

Passmark CPU Mark / Watt

1028.2 PPW

Blender / Watt

9.47 PPW

General

Vendor

Intel

Released

January 6, 2025

Type

Laptop

Instruction Set

x86-64

Codename

Arrow Lake

Model number

285HX

Integrated GPU

Arc Graphics (4-Cores)

AMD Equivalent

- AMD Ryzen 9 9955HX

CPU

P-Cores

P-Threads

Base Frequency (P)

2.8 GHz

Turbo Boost Frequency (P)

5.5 GHz

E-Cores

E-Threads

Base Frequency (E)

2.1 GHz

Turbo Boost Frequency (E)

4.6 GHz

Total Cores

Total Threads

Bus Frequency

100 MHz

Multiplier

28x

L1 Cache

192K (per core)

L2 Cache

2MB (per core)

L3 Cache

36MB (shared)

Unlocked Multiplier

Yes

Package

Fabrication Process

3 nm

TDP (PL1)

45-55 W (configurable)

Max. Boost TDP (PL2)

160 W

Socket

FCBGA-2114

Peak Temperature

105°C

iGPU

Integrated Graphics

Arc Graphics (4-Cores)

GPU Base Clock

300 MHz

GPU Boost Clock

2000 MHz

Shading Units

512

TMUs

ROPs

Execution Units

TGP

14 W

Memory Support

Memory Types

- DDR5-6400

Max. Memory Size

256 GB

Memory Channels

Max. Memory Bandwidth

102.4 GB/s

ECC Support

Yes

Misc

Official Site

Intel Core Ultra 9 285HX official page

PCI Express Version

5.0

PCI Express Lanes

Technologies

- Compute: ABM, ADX, AI Boost 3.0, AVX-VNNI, BMI1, BMI2, CLMUL, DLBoost 3.0, F16C, IPU 6.0, SHA - Performance: CFET, EIST, Speed Shift, TBMT 3.0, TBT 2.0, Thread Director - Virtualization: VT-d, VT-rp, VT-x, VT-x EPT - Security: MBEC, RDRAND, SIPP, TDT, TME, TXT, XD bit, vPro

Specifications compiled from NanoReview. Last updated 2026-09-29.