Home > CPU Comparison > Core Ultra 9 285HX or Core Ultra 9 185H: what's better?

Intel Core Ultra 9 285HX vs Ultra 9 185H

82 out of 100
Intel Core Ultra 9 285HX
VS
60 out of 100
Intel Core Ultra 9 185H
Intel Core Ultra 9 285HX
Intel Core Ultra 9 185H

We compared two laptop CPUs: the 2.8 GHz Intel Core Ultra 9 285HX with 24-cores against the 2.3 GHz Ultra 9 185H with 16-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
DeviceFacts Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 185H and 285HX
Advantages of Intel Core Ultra 9 285HX
  • Supports up to 256 GB DDR5-6400 RAM
  • More modern manufacturing process – 3 versus 7 nanometers
  • Unlocked multiplier
  • Newer - released 1 year and 1 month later
  • Has 8 more physical cores
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • 26% faster in a single-core Geekbench v6 test - 3088 vs 2446 points
  • 8% higher Turbo Boost frequency (5.5 GHz vs 5.1 GHz)
Advantages of Intel Core Ultra 9 185H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.8 vs 2 TFLOPS

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 9 285HX
vs
Core Ultra 9 185H

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (13th and 156th place)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression 1540 MB/sec 1270 MB/sec
Clang compilation 227 Klines/sec 102.8 Klines/sec
HTML 5 Browser 483.8 pages/sec 342.7 pages/sec
PDF Renderer 592.1 Mpixels/sec 389.7 Mpixels/sec
Text processing 350.1 pages/sec 245.1 pages/sec
Background blur 90.1 images/sec 45.2 images/sec
Photo processing 161.3 images/sec 131.5 images/sec
Ray tracing 50.5 Mpixels/sec 23.3 Mpixels/sec
Sources: GeekBench [1], [2] – 492 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 154.3 GOps/sec 97.4 GOps/sec
Floating point math 193.9 GOps/sec 72.2 GOps/sec
Find prime numbers 457M Primes/sec 123M Primes/sec
Random string sorting 76.7M Strings/sec 39M Strings/sec
Data encryption 48.3 GBytes/sec 19.5 GBytes/sec
Data compression 628.2 MBytes/sec 334.6 MBytes/sec
Physics 3444 Frames/sec 1940 Frames/sec
Extended instructions 48.8B Matrices/sec 19.9B Matrices/sec
Sources: PassMark [3], [4] – 821 & 4148 samples

Blender

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

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 40.7 PPW 15.2 PPW
Geekbench 6 Multi / Watt 382.6 PPW 209.4 PPW
Passmark CPU Mark / Watt 1028.2 PPW 446.1 PPW
Blender / Watt 9.47 PPW 3.08 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core Ultra 9 285HX
DateBenchmarkResult
πŸ“˜ 2025-04-19 (bikerboy80)Cinebench 2024126 / 2240
πŸ“˜ 2025-04-19 (bikerboy85)Cinebench 2024126 / 2240
Add View all (2)
Intel Core Ultra 9 185H
DateBenchmarkResult
πŸ“˜ 2025-12-28 (Nicholas)Cinebench 202492 / 795
πŸ“˜ 2024-12-29 (Remembered2U)Cinebench 2024107 / 987
πŸ“˜ 2024-11-03 (Anish)Cinebench 2024103 / 886
πŸ“˜ 2024-10-01 (Guest #3)Cinebench 2024108 / 1088
Add View all (4)

Specifications

Full technical specification of Intel Core Ultra 9 285HX and Ultra 9 185H

General

Vendor Intel Intel
Released January 6, 2025 December 14, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Meteor Lake
Model number 285HX 185H
Integrated GPU Arc Graphics (4-Cores) Arc Graphics (8-Cores)
Rival Equivalent - AMD Ryzen 9 9955HX - AMD Ryzen 9 8945HS
Successor - - Intel Core Ultra 9 288V
Intel CPU rating (12th and 83rd place)

CPU

Performance Cores
P-Cores 8 6
P-Threads 8 12
Base Frequency (P) 2.8 GHz 2.3 GHz
Turbo Boost Frequency (P) 5.5 GHz 5.1 GHz
Efficient Cores
E-Cores 16 10
E-Threads 16 10
Base Frequency (E) 2.1 GHz 1.8 GHz
Turbo Boost Frequency (E) 4.6 GHz 3.8 GHz
Total
Total Cores 24 16
Total Threads 24 22
Bus Frequency 100 MHz 100 MHz
Multiplier 28x 23x
L1 Cache 192K (per core) 112K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 36MB (shared) 24MB (shared)
Unlocked Multiplier Yes No

Package

Fabrication Process 3 nm 7 nm
TDP (PL1) 45-55 W (configurable) 35-65 W (configurable)
Max. Boost TDP (PL2) 160 W 115 W
Socket FCBGA-2114 FCBGA-2049
Peak Temperature 105Β°C 110Β°C
Laptop processors ranking (19th and 103rd place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Arc Graphics (8-Cores)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2000 MHz 2350 MHz
Shading Units 512 1024
TMUs 32 64
ROPs 16 32
Execution Units 64 128
TGP 14 W 28 W
iGPU FLOPS
Core Ultra 9 285HX
2 TFLOPS
Core Ultra 9 185H +140%
4.8 TFLOPS
More info: Arc iGPU (8-Cores) compared to iGPU (4-Cores)

Memory Support

Memory Types - DDR5-6400 - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
Max. Memory Size 256 GB 96 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s -
ECC Support Yes No

Misc

Official Site Intel Core Ultra 9 285HX official page Intel Core Ultra 9 185H official page
PCI Express Version 5.0 5.0
PCI Express Lanes 24 28

Cast your vote

Choose between two processors
4 (50%)
4 (50%)
Total votes: 8

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7. Intel Core Ultra 9 285HX vs AMD Ryzen 9 9955HX3D (12)
8. Intel Core Ultra 9 285HX vs AMD Ryzen 9 9955HX
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Comments

So which CPU will you choose: Intel Core Ultra 9 185H or Ultra 9 285HX?
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