AMD Ryzen 9 8940HX vs Ryzen 9 7940HS

70 out of 100
AMD Ryzen 9 8940HX
VS
60 out of 100
AMD Ryzen 9 7940HS

We compared two laptop CPUs: the 2.4 GHz AMD Ryzen 9 8940HX with 16-cores against the 4.0 GHz Ryzen 9 7940HS with 8-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 7940HS and 8940HX
Advantages of AMD Ryzen 9 8940HX
  • Has 48 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer - released 2 years and 4 months later
  • Has 8 more physical cores
  • Unlocked multiplier
  • Newer PCI Express version – 5.0
  • 10% faster in a single-core Geekbench v6 test - 2708 vs 2469 points
  • 2% higher Turbo Boost frequency (5.3 GHz vs 5.2 GHz)
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

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 (56th and 174th 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)
15317
File compression 1250 MB/sec 962.5 MB/sec
Clang compilation 178.9 Klines/sec 101.4 Klines/sec
HTML 5 Browser 262.1 pages/sec 211.8 pages/sec
PDF Renderer 430 Mpixels/sec 326.9 Mpixels/sec
Text processing 255 pages/sec 260.3 pages/sec
Background blur 55.9 images/sec 53.8 images/sec
Photo processing 94.7 images/sec 87.4 images/sec
Ray tracing 39.9 Mpixels/sec 22.5 Mpixels/sec
Sources: GeekBench [1], [2] – 569 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
49560
Integer math 188.6 GOps/sec 102.1 GOps/sec
Floating point math 113.5 GOps/sec 62.3 GOps/sec
Find prime numbers 250M Primes/sec 90M Primes/sec
Random string sorting 75.1M Strings/sec 42.5M Strings/sec
Data encryption 39.2 GBytes/sec 21.5 GBytes/sec
Data compression 648.8 MBytes/sec 360.4 MBytes/sec
Physics 2091 Frames/sec 1427 Frames/sec
Extended instructions 47.6B Matrices/sec 27.2B Matrices/sec
Sources: PassMark [3], [4] – 904 & 2780 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
435.77

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 21.6 PPW 17.3 PPW
Geekbench 6 Multi / Watt 204.2 PPW 215.4 PPW
Passmark CPU Mark / Watt 660.8 PPW 551.5 PPW
Blender / Watt 5.81 PPW 4.18 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 8940HX
DateBenchmarkResult
πŸ“˜ 2025-12-20 (Marky)Cinebench 2024111 / 1769
πŸ“˜ 2025-12-17 (viraj anshuman)Geekbench 6 CPU2864 / 14336
πŸ“˜ 2025-11-29 (CHRIStoK)Cinebench 2024110 / 1803
πŸ“˜ 2025-11-16 (SpeKtra_TM)Geekbench 6 CPU2805 / 15483
πŸ“˜ 2025-11-16 (SpeKtra_TM)Cinebench 2024111 / 1678
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

Specifications

Full technical specification of AMD Ryzen 9 8940HX and Ryzen 9 7940HS

General

Vendor Amd Amd
Released April 1, 2025 January 4, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 4 (Dragon Range) Zen 4 (Phoenix)
Integrated GPU Radeon 610M Radeon 780M
Rival Equivalent - - Intel Core i9 13900H
Successor - - AMD Ryzen AI 9 HX 470
AMD Ryzen CPU ranking (35th and 66th place)

CPU

Performance Cores
P-Cores 16 8
P-Threads 32 16
Base Frequency (P) 2.4 GHz 4.0 GHz
Turbo Boost Frequency (P) 5.3 GHz 5.2 GHz
Total
Total Cores 16 8
Total Threads 32 16
Bus Frequency 100 MHz 100 MHz
Multiplier 24x 40x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 64MB (shared) 16MB (shared)
Unlocked Multiplier Yes No

Package

Transistors - 25 billions
Fabrication Process 5 nm 4 nm
TDP (PL1) 55-75 W (configurable) 35-54 W (configurable)
Socket FL1 FP8
Peak Temperature 100Β°C 100Β°C
Laptop processors ranking (51st and 106th place)

iGPU

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

Memory Support

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

Misc

Official Site AMD Ryzen 9 8940HX official page AMD Ryzen 9 7940HS official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 20
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
10 (71.4%)
4 (28.6%)
Total votes: 14

Comments

So which CPU will you choose: AMD Ryzen 9 7940HS or Ryzen 9 8940HX?
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