Home > CPU Comparison > Core Ultra 9 275HX or Ryzen 9 7945HX: what's better?

Intel Core Ultra 9 275HX vs AMD Ryzen 9 7945HX

78 out of 100
Intel Core Ultra 9 275HX
VS
74 out of 100
AMD Ryzen 9 7945HX
Intel Core Ultra 9 275HX
AMD Ryzen 9 7945HX

We compared two laptop CPUs: the 2.7 GHz Intel Core Ultra 9 275HX with 24-cores against the 2.5 GHz AMD Ryzen 9 7945HX 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 7945HX and 275HX
Advantages of Intel Core Ultra 9 275HX
  • Supports up to 256 GB DDR5-6400 RAM
  • More powerful Arc Graphics (4-Cores) integrated graphics: 1.9 vs 0.6 TFLOPS
  • Newer - released 2 years later
  • More modern manufacturing process – 3 versus 5 nanometers
  • Has 8 more physical cores
Advantages of AMD Ryzen 9 7945HX
  • Has 28 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 9 275HX
vs
Ryzen 9 7945HX

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 41st 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 1590 MB/sec
Clang compilation 216.2 Klines/sec 190.6 Klines/sec
HTML 5 Browser 435.5 pages/sec 320.2 pages/sec
PDF Renderer 545.5 Mpixels/sec 474.8 Mpixels/sec
Text processing 344.8 pages/sec 296.8 pages/sec
Background blur 78.6 images/sec 66.1 images/sec
Photo processing 156.4 images/sec 114.8 images/sec
Ray tracing 46.2 Mpixels/sec 43 Mpixels/sec
Sources: GeekBench [1], [2] – 677 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 205.1 GOps/sec
Floating point math 191.1 GOps/sec 122.1 GOps/sec
Find prime numbers 448M Primes/sec 280M Primes/sec
Random string sorting 74.3M Strings/sec 81.4M Strings/sec
Data encryption 47.1 GBytes/sec 42.2 GBytes/sec
Data compression 608.4 MBytes/sec 699.1 MBytes/sec
Physics 3335 Frames/sec 2450 Frames/sec
Extended instructions 47B Matrices/sec 51.2B Matrices/sec
Sources: PassMark [3], [4] – 5997 & 2890 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core Ultra 9 275HX
359.87
Ryzen 9 7945HX +31%
472.26

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 35.3 PPW 24.5 PPW
Geekbench 6 Multi / Watt 371.8 PPW 237.7 PPW
Passmark CPU Mark / Watt 1013.7 PPW 718.9 PPW
Blender / Watt 6.54 PPW 6.3 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)
AMD Ryzen 9 7945HX
DateBenchmarkResult
πŸ“˜ 2025-11-02 (Qwerrty574)Geekbench 6 CPU2949 / 17981
πŸ“˜ 2025-11-02 (Qwerrty574)Cinebench 2024116 / 1901
πŸ“˜ 2025-04-02 (ceratogyrus35)Cinebench 2024114 / 1834
πŸ“˜ 2025-02-18 (Baka)Cinebench 2024112 / 1552
Add View all (4)

Specifications

Full technical specification of Intel Core Ultra 9 275HX and AMD Ryzen 9 7945HX

General

Vendor Intel Amd
Released January 6, 2025 January 4, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Zen 4 (Dragon Range)
Model number 275HX -
Integrated GPU Arc Graphics (4-Cores) Radeon 610M
Rival Equivalent - AMD Ryzen 9 9850HX - Intel Core i9 13950HX
Intel CPU rating (#18th place)
AMD Ryzen CPU ranking (#24th place)

CPU

Performance Cores
P-Cores 8 16
P-Threads 8 32
Base Frequency (P) 2.7 GHz 2.5 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.4 GHz
Efficient Cores
E-Cores 16 -
E-Threads 16 -
Base Frequency (E) 2.1 GHz -
Turbo Boost Frequency (E) 4.6 GHz -
Total
Total Cores 24 16
Total Threads 24 32
Bus Frequency 100 MHz 100 MHz
Multiplier 27x 25x
L1 Cache 192K (per core) 64K (per core)
L2 Cache 3MB (per core) 1MB (per core)
L3 Cache 36MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors - 13.1 billions
Fabrication Process 3 nm 5 nm
TDP (PL1) 45-55 W (configurable) 55-75 W (configurable)
Max. Boost TDP (PL2) 160 W -
Socket FCBGA-2114 FL1
Peak Temperature 105Β°C 100Β°C
Laptop processors ranking (25th and 36th place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Radeon 610M
GPU Base Clock 300 MHz 400 MHz
GPU Boost Clock 1900 MHz 2200 MHz
Shading Units 512 128
TMUs 32 8
ROPs 16 4
Execution Units 64 2
TGP 14 W 15 W
iGPU FLOPS
Core Ultra 9 275HX +217%
1.9 TFLOPS
Ryzen 9 7945HX
0.6 TFLOPS
More info: Radeon 610M compared to Arc iGPU (4-Cores)

Memory Support

Memory Types - DDR5-6400 - DDR5-5200
Max. Memory Size 256 GB 64 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 AMD Ryzen 9 7945HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 24 28

Cast your vote

Choose between two processors
45 (55.6%)
36 (44.4%)
Total votes: 81

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6. AMD Ryzen 9 7945HX vs AMD Ryzen 9 9955HX
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Comments

So which CPU will you choose: AMD Ryzen 9 7945HX or Intel Core Ultra 9 275HX?
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