Home > CPU Comparison > Core Ultra 9 275HX or Core i9 14900HX: what's better?

Intel Core Ultra 9 275HX vs i9 14900HX

78 out of 100
Intel Core Ultra 9 275HX
VS
72 out of 100
Intel Core i9 14900HX
Intel Core Ultra 9 275HX
Intel Core i9 14900HX

We compared two 24-core laptop CPUs: the 2.7 GHz Intel Core Ultra 9 275HX against the 2.2 GHz i9 14900HX. 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
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 14900HX and 275HX
Advantages of Intel Core Ultra 9 275HX
  • More modern manufacturing process – 3 versus 10 nanometers
  • More powerful Arc Graphics (4-Cores) integrated graphics: 1.9 vs 0.8 TFLOPS
  • Newer - released 1 year later
  • Supports up to 256 GB DDR5-6400 RAM
  • Around 12.8 GB/s (14%) higher theoretical memory bandwidth
Advantages of Intel Core i9 14900HX
  • 7% higher Turbo Boost frequency (5.8 GHz vs 5.4 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 9 275HX
vs
Core i9 14900HX

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 45th 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 1480 MB/sec 1420 MB/sec
Clang compilation 216.2 Klines/sec 173.5 Klines/sec
HTML 5 Browser 435.5 pages/sec 463.6 pages/sec
PDF Renderer 545.5 Mpixels/sec 508.4 Mpixels/sec
Text processing 344.8 pages/sec 287.7 pages/sec
Background blur 78.6 images/sec 54.6 images/sec
Photo processing 156.4 images/sec 154.7 images/sec
Ray tracing 46.2 Mpixels/sec 39.9 Mpixels/sec
Sources: GeekBench [1], [2] – 545 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 157.2 GOps/sec
Floating point math 191.1 GOps/sec 112.1 GOps/sec
Find prime numbers 448M Primes/sec 193M Primes/sec
Random string sorting 74.3M Strings/sec 60.8M Strings/sec
Data encryption 47.1 GBytes/sec 32.6 GBytes/sec
Data compression 608.4 MBytes/sec 539.1 MBytes/sec
Physics 3335 Frames/sec 2631 Frames/sec
Extended instructions 47B Matrices/sec 31.2B Matrices/sec
Sources: PassMark [3], [4] – 5997 & 6694 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 32.4 PPW
Geekbench 6 Multi / Watt 371.8 PPW 335.1 PPW
Passmark CPU Mark / Watt 1013.7 PPW 794.6 PPW
Blender / Watt 6.54 PPW 6.44 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
Add View all (23)
Intel Core i9 14900HX
DateBenchmarkResult
πŸ“˜ 2025-09-22 (GEORGE FORMBY)Cinebench 2024124 / 1417
πŸ“˜ 2025-08-15 (jmtisi)Cinebench 2024111 / 629
πŸ“˜ 2025-06-26 (Ivan)Cinebench 2024125 / 1571
πŸ“˜ 2025-06-14 (JoeG)Cinebench 2024121 / 1334
πŸ“˜ 2025-04-05 (Justin0220)Cinebench 2024125 / 1064
Add View all (13)

Specifications

Full technical specification of Intel Core Ultra 9 275HX and i9 14900HX

General

Vendor Intel Intel
Released January 6, 2025 January 9, 2024
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Raptor Lake Refresh
Model number 275HX i9-14900HX
Integrated GPU Arc Graphics (4-Cores) UHD Graphics (32EU)
Rival Equivalent - AMD Ryzen 9 9850HX - AMD Ryzen 9 8945HS
Successor - - Intel Core Ultra 9 285HX
Intel CPU rating (18th and 36th place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 8 16
Base Frequency (P) 2.7 GHz 2.2 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.8 GHz
Efficient Cores
E-Cores 16 16
E-Threads 16 16
Base Frequency (E) 2.1 GHz 1.6 GHz
Turbo Boost Frequency (E) 4.6 GHz 4.1 GHz
Total
Total Cores 24 24
Total Threads 24 32
Bus Frequency 100 MHz 100 MHz
Multiplier 27x 22x
L1 Cache 192K (per core) 80K (per core)
L2 Cache 3MB (per core) 2MB (per core)
L3 Cache 36MB (shared) 36MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 3 nm 10 nm
TDP (PL1) 45-55 W (configurable) 45-55 W (configurable)
Max. Boost TDP (PL2) 160 W 157 W
Socket FCBGA-2114 BGA-1964
Peak Temperature 105Β°C 100Β°C
Laptop processors ranking (25th and 44th place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1900 MHz 1650 MHz
Shading Units 512 256
TMUs 32 16
ROPs 16 8
Execution Units 64 32
TGP 14 W 15 W
iGPU FLOPS
Core Ultra 9 275HX +137%
1.9 TFLOPS
Core i9 14900HX
0.8 TFLOPS
More info: UHD Graphics Xe (32 EU) compared to Arc iGPU (4-Cores)

Memory Support

Memory Types - DDR5-6400 - DDR5-5600
- DDR4-3200
Max. Memory Size 256 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s 89.6 GB/s
ECC Support No Yes

Misc

Official Site Intel Core Ultra 9 275HX official page Intel Core i9 14900HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 24 20

Cast your vote

Choose between two processors
188 (77.4%)
55 (22.6%)
Total votes: 243

Competitors

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2. Intel Core Ultra 9 275HX vs Intel Core Ultra 9 285H
3. Intel Core Ultra 9 275HX vs Intel Core Ultra 9 285HX
4. Intel Core Ultra 9 275HX vs AMD Ryzen 9 9955HX3D (6)
5. Intel Core Ultra 9 275HX vs Intel Core Ultra 9 185H
6. Intel Core Ultra 9 275HX vs AMD Ryzen AI Max+ Pro 395
7. Intel Core i9 14900HX vs AMD Ryzen 9 7945HX (5)
8. Intel Core i9 14900HX vs Intel Core Ultra 9 185H (7)
9. Intel Core i9 14900HX vs Apple M3 Max (5)
10. Intel Core i9 14900HX vs Intel Core i9 13980HX (3)
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Comments

So which CPU will you choose: Intel Core i9 14900HX or Ultra 9 275HX?
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