AMD Ryzen 9 7940HS vs Ryzen 7 7745HX

60 out of 100
AMD Ryzen 9 7940HS
VS
61 out of 100
AMD Ryzen 7 7745HX

We compared two 8-core laptop CPUs: the 4.0 GHz AMD Ryzen 9 7940HS against the 3.6 GHz Ryzen 7 7745HX. 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 7745HX and 7940HS
Advantages of AMD Ryzen 9 7940HS
  • More powerful Radeon 780M integrated graphics: 4.3 vs 0.6 TFLOPS
  • Supports up to 256 GB DDR5-5600 RAM
  • More modern manufacturing process – 4 versus 5 nanometers
  • 2% higher Turbo Boost frequency (5.2 GHz vs 5.1 GHz)
Advantages of AMD Ryzen 7 7745HX
  • Has 16 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Unlocked multiplier
  • Newer PCI Express version – 5.0
  • 12% faster in a single-core Geekbench v6 test - 2763 vs 2469 points

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 Scores (174th and 140th 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)
13662
File compression 962.5 MB/sec 1360 MB/sec
Clang compilation 101.4 Klines/sec 118.1 Klines/sec
HTML 5 Browser 211.8 pages/sec 241.9 pages/sec
PDF Renderer 326.9 Mpixels/sec 385.6 Mpixels/sec
Text processing 260.3 pages/sec 284.5 pages/sec
Background blur 53.8 images/sec 64 images/sec
Photo processing 87.4 images/sec 88.8 images/sec
Ray tracing 22.5 Mpixels/sec 25.4 Mpixels/sec
Sources: GeekBench [1], [2] – 569 & 709 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
32315
Integer math 102.1 GOps/sec 104.5 GOps/sec
Floating point math 62.3 GOps/sec 63.7 GOps/sec
Find prime numbers 90M Primes/sec 156M Primes/sec
Random string sorting 42.5M Strings/sec 44.6M Strings/sec
Data encryption 21.5 GBytes/sec 22.7 GBytes/sec
Data compression 360.4 MBytes/sec 378.7 MBytes/sec
Physics 1427 Frames/sec 1688 Frames/sec
Extended instructions 27.2B Matrices/sec 28.6B Matrices/sec
Sources: PassMark [3], [4] – 2780 & 422 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
243.71

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 17.3 PPW 14.2 PPW
Geekbench 6 Multi / Watt 215.4 PPW 182.2 PPW
Passmark CPU Mark / Watt 551.5 PPW 430.9 PPW
Blender / Watt 4.18 PPW 3.25 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
AMD Ryzen 9 7940HS
DateBenchmarkResult
πŸ“˜ 2025-11-09 (chrisg)Cinebench 2024105 / 873
πŸ“˜ 2025-08-19 (Phillywilly2000)Cinebench 2024102 / 906
πŸ“˜ 2025-07-14 (GlancingOcean)Cinebench 202470 / 677
πŸ“˜ 2025-05-13 (antoooooo)Cinebench 2024109 / 1009
πŸ“˜ 2025-03-08 (ζ²§ζ΅·)Geekbench 6 CPU2614 / 12911
AMD Ryzen 7 7745HX
DateBenchmarkResult
πŸ“˜ 2026-09-22 -> DrmatorCinebench 2026599 / 4170
πŸ“˜ 2026-09-22 -> DrmatorGeekbench 7 CPU2533 / 15079
πŸ“˜ 2026-09-22 -> DrmatorGeekbench 6 CPU2835 / 13957

Specifications

Full technical specification of AMD Ryzen 9 7940HS and Ryzen 7 7745HX

General

Vendor Amd Amd
Released January 4, 2023 January 4, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 4 (Phoenix) Zen 4 (Dragon Range)
Integrated GPU Radeon 780M Radeon 610M
Rival Equivalent - Intel Core i9 13900H - Intel Core i7 13650HX
Successor - AMD Ryzen AI 9 HX 470 -
AMD Ryzen CPU ranking (66th and 62nd place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 4.0 GHz 3.6 GHz
Turbo Boost Frequency (P) 5.2 GHz 5.1 GHz
Total
Total Cores 8 8
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 40x 36x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 16MB (shared) 32MB (shared)
Unlocked Multiplier No Yes

Package

Transistors 25 billions 13.1 billions
Fabrication Process 4 nm 5 nm
TDP (PL1) 35-54 W (configurable) 45-75 W (configurable)
Socket FP8 FL1
Peak Temperature 100Β°C 100Β°C
Laptop processors ranking (106th and 92nd place)

iGPU

Integrated Graphics Radeon 780M Radeon 610M
GPU Base Clock 800 MHz 400 MHz
GPU Boost Clock 2800 MHz 2200 MHz
Shading Units 768 128
TMUs 48 8
ROPs 32 4
Execution Units 12 2
TGP 15 W 15 W
iGPU FLOPS
4.3 TFLOPS
0.6 TFLOPS

Memory Support

Memory Types - DDR5-5600
- LPDDR5x-7500
- DDR5-5200
Max. Memory Size 256 GB 64 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site AMD Ryzen 9 7940HS official page AMD Ryzen 7 7745HX official page
PCI Express Version 4.0 5.0
PCI Express Lanes 20 28
Further details
Notes on Ryzen 9 7940HS:
    - DDR5 memory is supported only on the FP7r2 socket, while FP7 and FP8 sockets support LPDDR5/x.
    - ECC support is available exclusively on the FP7r2 socket.

Cast your vote

Choose between two processors
22 (53.7%)
19 (46.3%)
Total votes: 41

Comments

So which CPU will you choose: AMD Ryzen 7 7745HX or Ryzen 9 7940HS?
🌐 Register your profile and become part of DeviceFacts community!