Intel Core Ultra 7 155H vs AMD Ryzen 9 7945HX

We compared two 16-core laptop CPUs: the 1.4 GHz Intel Core Ultra 7 155H against the 2.5 GHz AMD Ryzen 9 7945HX. 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
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 155H
Advantages of Intel Core Ultra 7 155H
  • More powerful Arc Graphics (8-Cores) integrated graphics: 4.6 vs 0.6 TFLOPS
  • Supports up to 96 GB LPDDR5-7467 RAM
  • Newer - released 11 months later
  • More than 10Β° C higher critical temperature
Advantages of AMD Ryzen 9 7945HX
  • Has 40 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Unlocked multiplier
  • More modern manufacturing process – 5 versus 7 nanometers
  • 20% faster in a single-core Geekbench v6 test - 2901 vs 2421 points
  • 13% higher Turbo Boost frequency (5.4 GHz vs 4.8 GHz)

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) 544 -
Cinebench 2026 (Multi) 3749 -
Cinebench Scores (165th and 41st 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 1220 MB/sec 1590 MB/sec
Clang compilation 100.8 Klines/sec 190.6 Klines/sec
HTML 5 Browser 270.5 pages/sec 320.2 pages/sec
PDF Renderer 356.1 Mpixels/sec 474.8 Mpixels/sec
Text processing 243.4 pages/sec 296.8 pages/sec
Background blur 49.2 images/sec 66.1 images/sec
Photo processing 117.2 images/sec 114.8 images/sec
Ray tracing 19.4 Mpixels/sec 43 Mpixels/sec
Sources: GeekBench [1], [2] – 910 & 677 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
53917
Integer math 85.8 GOps/sec 205.1 GOps/sec
Floating point math 62.5 GOps/sec 122.1 GOps/sec
Find prime numbers 113M Primes/sec 280M Primes/sec
Random string sorting 31.6M Strings/sec 81.4M Strings/sec
Data encryption 16.1 GBytes/sec 42.2 GBytes/sec
Data compression 273.8 MBytes/sec 699.1 MBytes/sec
Physics 1701 Frames/sec 2450 Frames/sec
Extended instructions 16.2B Matrices/sec 51.2B Matrices/sec
Sources: PassMark [3], [4] – 6648 & 2890 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
472.26

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 14.7 PPW 24.5 PPW
Geekbench 6 Multi / Watt 192.5 PPW 237.7 PPW
Passmark CPU Mark / Watt 377.1 PPW 718.9 PPW
Blender / Watt 2.65 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 7 155H
DateBenchmarkResult
πŸ“˜ 2026-02-22 (Alex Paulino)Cinebench 2026544 / 3749
πŸ“˜ 2026-01-15 (Ak-Dev)Geekbench 6 CPU2347 / 12862
πŸ“˜ 2025-11-08 (Anuj)Geekbench 6 CPU2248 / 12118
πŸ“˜ 2025-07-25 (Aya)Cinebench 202485 / 943
πŸ“˜ 2025-06-25 (Tarekcoupe)Cinebench 202496 / 930
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

Specifications

Full technical specification of Intel Core Ultra 7 155H and AMD Ryzen 9 7945HX

General

Vendor Intel Amd
Released December 14, 2023 January 4, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Zen 4 (Dragon Range)
Model number 155H -
Integrated GPU Arc Graphics (8-Cores) Radeon 610M
Rival Equivalent - AMD Ryzen 7 8840HS - Intel Core i9 13950HX
Successor - Intel Core Ultra 7 255H -
Intel CPU rating (#99th place)
AMD Ryzen CPU ranking (#24th place)

CPU

Performance Cores
P-Cores 6 16
P-Threads 12 32
Base Frequency (P) 1.4 GHz 2.5 GHz
Turbo Boost Frequency (P) 4.8 GHz 5.4 GHz
Efficient Cores
E-Cores 10 -
E-Threads 10 -
Base Frequency (E) 0.9 GHz -
Turbo Boost Frequency (E) 3.8 GHz -
Total
Total Cores 16 16
Total Threads 22 32
Bus Frequency 100 MHz 100 MHz
Multiplier 14x 25x
L1 Cache 112K (per core) 64K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 24MB (shared) 64MB (shared)
Unlocked Multiplier No Yes

Package

Transistors - 13.1 billions
Fabrication Process 7 nm 5 nm
TDP (PL1) 20-65 W (configurable) 55-75 W (configurable)
Max. Boost TDP (PL2) 115 W -
Socket FCBGA-2049 FL1
Peak Temperature 110Β°C 100Β°C
Laptop processors ranking (128th and 36th place)

iGPU

Integrated Graphics Arc Graphics (8-Cores) Radeon 610M
GPU Base Clock 300 MHz 400 MHz
GPU Boost Clock 2250 MHz 2200 MHz
Shading Units 1024 128
TMUs 64 8
ROPs 32 4
Execution Units 128 2
TGP 28 W 15 W
iGPU FLOPS
4.6 TFLOPS
0.6 TFLOPS

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600
- DDR5-5200
Max. Memory Size 96 GB 64 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support No No

Misc

Official Site Intel Core Ultra 7 155H official page AMD Ryzen 9 7945HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
2 (22.2%)
7 (77.8%)
Total votes: 9

Comments

So which CPU will you choose: AMD Ryzen 9 7945HX or Intel Core Ultra 7 155H?
🌐 Register your profile and become part of DeviceFacts community!