AMD Ryzen 9 7940HS vs AMD Ryzen 5 8645HS
CPU · Specs Compare
General Parameters
Release Date
Apr 2023
Dec 2023
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 760M
Generation
—
Ryzen 5 (Zen 4 (Hawk Point))
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
Foundry
—
TSMC
Die Size
—
178 mm²
Package
—
FP8, FP7, FP7r2
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
12
Performance Core Base Frequency
4.0 GHz
4.3 GHz
Performance Core Turbo Frequency
5.2 GHz
5 GHz
Total Core Count
8
6
Total Thread Count
16
12
Bus Frequency
100 MHz
100 MHz
Multiplier
40x
43x
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
SMP
—
1
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
89.6 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
512
Texture Units
48
32
Raster Operation Units
32
16
Execution Units
12
8
Power Consumption
15
15 W
Max Resolution
7680x4320 - 60 Hz
—
AI Accelerator
NPU
AMD Ryzen™ AI
—
Theoretical performance
10 TOPS
—
Miscellaneous
PCIe Version
4.0
4.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
1,804
1,724
Cinebench R23
15,820
13,058
Geekbench 6
2,534
2,455
Geekbench 6
12,852
10,287
Cinebench 2024
70
—
Cinebench 2024
721
—
Passmark CPU
3,910
3,795
Passmark CPU
30,545
23,060
Blender
—
188
▲ Specs Compare
Data sourced from official specifications and benchmark tests.