Intel Core Ultra 9 275HX vs Ultra 9 185H

We compared two laptop CPUs: the 2.7 GHz Intel Core Ultra 9 275HX 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.

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
NanoReview 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 275HX
Advantages of Intel Core Ultra 9 275HX
  • 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
  • 23% faster in a single-core Geekbench v6 test - 3001 vs 2446 points
  • 6% higher Turbo Boost frequency (5.4 GHz vs 5.1 GHz)
Advantages of Intel Core Ultra 9 185H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.8 vs 1.9 TFLOPS

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) 500 -
Cinebench 2026 (Multi) 7832 -
Cinebench Scores (30th and 156th place)

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 1480 MB/sec 1270 MB/sec
Clang compilation 216.2 Klines/sec 102.8 Klines/sec
HTML 5 Browser 435.5 pages/sec 342.7 pages/sec
PDF Renderer 545.5 Mpixels/sec 389.7 Mpixels/sec
Text processing 344.8 pages/sec 245.1 pages/sec
Background blur 78.6 images/sec 45.2 images/sec
Photo processing 156.4 images/sec 131.5 images/sec
Ray tracing 46.2 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 155.2 GOps/sec 97.4 GOps/sec
Floating point math 191.1 GOps/sec 72.2 GOps/sec
Find prime numbers 448M Primes/sec 123M Primes/sec
Random string sorting 74.3M Strings/sec 39M Strings/sec
Data encryption 47.1 GBytes/sec 19.5 GBytes/sec
Data compression 608.4 MBytes/sec 334.6 MBytes/sec
Physics 3335 Frames/sec 1940 Frames/sec
Extended instructions 47B Matrices/sec 19.9B Matrices/sec
Sources: PassMark [3], [4] – 5997 & 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 35.3 PPW 15.2 PPW
Geekbench 6 Multi / Watt 371.8 PPW 209.4 PPW
Passmark CPU Mark / Watt 1013.7 PPW 446.1 PPW
Blender / Watt 6.54 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 275HX
DateBenchmarkResult
πŸ“˜ 2026-07-04 (dante)Cinebench 2024133 / 2062
πŸ“˜ 2026-07-04 (dante)Cinebench 20260 / 0
πŸ“˜ 2026-05-04 (Sujan)Cinebench 2024139 / 2318
πŸ“˜ 2026-05-03 (ToadyBoi)Cinebench 2024139 / 2290
πŸ“˜ 2026-04-10 (itsved4nt)Cinebench 2026500 / 7832
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

Specifications

Full technical specification of Intel Core Ultra 9 275HX 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 275HX 185H
Integrated GPU Arc Graphics (4-Cores) Arc Graphics (8-Cores)
Rival Equivalent - AMD Ryzen 9 9850HX - AMD Ryzen 9 8945HS
Successor - - Intel Core Ultra 9 288V
Intel CPU rating (18th and 83rd place)

CPU

Performance Cores
P-Cores 8 6
P-Threads 8 12
Base Frequency (P) 2.7 GHz 2.3 GHz
Turbo Boost Frequency (P) 5.4 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 27x 23x
L1 Cache 192K (per core) 112K (per core)
L2 Cache 3MB (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 (25th and 103rd place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Arc Graphics (8-Cores)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1900 MHz 2350 MHz
Shading Units 512 1024
TMUs 32 64
ROPs 16 32
Execution Units 64 128
TGP 14 W 28 W
iGPU FLOPS
1.9 TFLOPS
4.8 TFLOPS

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 No No

Misc

Official Site Intel Core Ultra 9 275HX 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
27 (84.4%)
5 (15.6%)
Total votes: 32

Comments

So which CPU will you choose: Intel Core Ultra 9 185H or Ultra 9 275HX?
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