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Intel Core Ultra 9 285HX

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  • Cores: 24
  • TDP: 45-55 W (configurable)
  • Transistor size: 3 nm
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Expert Verdict

A high-end Intel Core Ultra 9 285HX processor with balanced performance (single-core 86/100, multi-core 89/100), excellent power efficiency. Suited for demanding workloads.

Review

Single-Core Performance 86
Multi-Core Performance 89
Power Efficiency 75
Integrated Graphics 51
QucikComparison Final Score 83

Pros

  • Excellent single-core performance
  • Strong multi-threaded throughput
  • Great power efficiency
  • High core count (24 cores)
  • Capable integrated graphics

Cons

  • No significant drawbacks for its tier

Compare Intel Core Ultra 9 285HX with other products

Full Specifications

Cinebench

Reputable cross-platform benchmark for high-performance processors

Cinebench 2024 (Single) 126
Cinebench 2024 (Multi) 2240
GeekBench v6
Geekbench 6 (Single-Core) 3129
Geekbench 6 (Multi-Core) 22274
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

Synthetic test that focuses on raw computational performance for low-level functions

Passmark CPU (Single-Core) 4633
Passmark CPU (Multi-Core) 57452
Integer math 155.6 GOps/sec
Floating point math 196.5 GOps/sec
Find prime numbers 467M Primes/sec
Random string sorting 78M Strings/sec
Data encryption 49 GBytes/sec
Data compression 636.3 MBytes/sec
Physics 3589 Frames/sec
Extended instructions 49.6B Matrices/sec
Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)

Blender CPU 521.1
Performance Per Watt

Shows the score you get per each watt of PL1 TDP

Cinebench 2024 / Watt 40.7 PPW
Geekbench 6 Multi / Watt 405 PPW
Passmark CPU Mark / Watt 1044.6 PPW
Blender / Watt 9.47 PPW
General
Vendor Intel
Released 6-Jan-25
Type Laptop
Instruction Set x86-64
Codename Arrow Lake
Model number 285HX
Integrated GPU Arc Graphics (4-Cores)
Qualcomm Equivalent —
CPU
Performance Cores
P-Cores 8
P-Threads 8
Base Frequency (P) 2.8 GHz
Efficient Cores
E-Cores 16
E-Threads 16
Base Frequency (E) 2.1 GHz
Total
Total Cores 24
Total Threads 24
Multiplier 28x
L1 Cache 192K (per core)
L2 Cache 2MB (per core)
Unlocked Multiplier Yes
Package
Transistors —
Fabrication Process 3 nm
TDP (PL1) 45-55 W (configurable)
Socket FCBGA-2114
Peak Temperature 105°C
iGPU
Integrated Graphics Arc Graphics (4-Cores)
GPU Boost Clock 2000 MHz
Shading Units 512
TMUs 32
ROPs 16
Execution Units 64
iGPU FLOPS 2 TFLOPS
Memory Support
Memory Types -6400
Max. Memory Size 256 GB
Memory Channels 2
Max. Memory Bandwidth —
ECC Support Yes

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