AMD Ryzen 9 7940HS vs AMD Ryzen 7 H 255

CPU Specs Compare

C

AMD Ryzen 9 7940HS

AMD 2023-04
C

AMD Ryzen 7 H 255

AMD 2025-08

General Parameters

Release Date
Apr 2023
Aug 2025
Manufacturer
AMD
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Phoenix)
Zen 4 (Hawk Point)
Integrated Graphics
Radeon 780M
Radeon 780M

Package

Transistor Count
25 billions
25 billions
Manufacturing Process
4 nm
4 nm
Socket
FP8
FP8
Power Consumption
35-54 W
35-54 W
Peak Operating Temperature
100°C
100 °C
Die Size
-
178 mm²

CPU Performance

Performance Cores
8
8
Performance Core Threads
16
16
Performance Core Base Frequency
4.0 GHz
3.8 GHz
Performance Core Turbo Frequency
5.2 GHz
4.9 GHz
Total Core Count
8
8
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
40x
38
L1 Cache
64 K per core
64 K per core
L2 Cache
8 MB
1 MB per core
L3 Cache
16 MB
16 MB shared
Unlocked Multiplier
No
No

Memory Parameters

Memory Types
DDR5-5600, LPDDR5x-7500
DDR5-5600,LPDDR5x-7500
Max Memory Size
256 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
120 GB/s
ECC Memory Support
No
No

Graphics Card Parameters

Integrated Graphics
true
true
GPU Base Frequency
800 MHz
800 MHz
GPU Max Dynamic Frequency
2800 MHz
2600 MHz
Shader Units
768
768
Texture Units
48
48
Raster Operation Units
32
32
Execution Units
12
12
Power Consumption
15
15
Max Resolution
7680x4320 - 60 Hz
-

AI Accelerator

NPU
AMD Ryzen™ AI
-
Theoretical performance
10 TOPS
TOPS

Miscellaneous

Official Website
PCIe Version
4.0
4.0
PCIe Lanes
20
20

📊 Benchmark

Cinebench R23
1,804
1,718
Cinebench R23
15,820
16,387
Geekbench 6
2,534
2,551
Geekbench 6
12,852
12,673
Cinebench 2024
70
100
Cinebench 2024
721
923
Passmark CPU
3,910
-
Passmark CPU
30,545
-