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Core Ultra 9 275HX vs Core Ultra 9 285HX

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Performance score

Core Ultra 9 275HX 2025 · 24/24 cores/threads, 55 W
68.09
Core Ultra 9 285HX 2025 · 24/24 cores/threads
72.57 +7%

Core Ultra 9 285HX is 7% faster than Core Ultra 9 275HX by our estimate.

The score is our own estimate from the specs (cores, threads, clocks, architecture generation), not a benchmark run. 100 = the fastest CPU in our database.

Real tests

What the test measures

Blender is a popular free 3D graphics program. The test makes the device render three ready-made 3D scenes (light, shadows, reflections) and counts how many render passes it finishes per minute. The higher the number, the faster the device handles heavy work: 3D, video editing, photo processing. On a CPU the test loads all cores at once, so it shows the chip's full power; on a graphics card it shows its compute strength.

CPU rendering (Blender)

faster than 93% of tested · runs: 229

faster than 97% of tested · runs: 18

Median of real test runs on users' computers. It does not show FPS in games. Data updated: 31.10.2026.

Overview

Core Ultra 9 275HXCore Ultra 9 285HX
Score (0–100) 68.09 72.57
Ranking position 20 13
Power efficiency (0–100) 64.7 no data
Type Laptop Laptop
Manufacturer Intel Intel
Architecture Arrow Lake Arrow Lake
Release date Q1 2025 Q3 2025

Specifications

Core Ultra 9 275HXCore Ultra 9 285HX
Cores 24 24
Threads 24 24
P + E cores 8 + 16 8 + 16
Base clock 2.7 GHz no data
Boost clock 5.4 GHz 5.5 GHz
L2 cache 40 MB no data
L3 cache 36 MB 36 MB
Process node TSMC N3B no data
Unlocked multiplier no no
Integrated graphics Intel Graphics no
NPU (AI accelerator) 13 TOPS no

Compatibility

Core Ultra 9 275HXCore Ultra 9 285HX
Socket FCBGA2114 no data
TDP 55 W no data
Max temperature 105 °C no data

Memory and PCI Express

Core Ultra 9 275HXCore Ultra 9 285HX
Memory type DDR5-6400 no data
Memory channels 2 no data
Max memory 256 GB no data
PCI Express version 5.0 no data
PCIe lanes 24 no data

Pros and cons

Core Ultra 9 275HX

  • has integrated graphics (Intel Graphics)

Core Ultra 9 285HX

  • 7% higher overall score

Other comparisons

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