AMD Ryzen 9 7940HX vs AMD Ryzen 5 8645HS
CPU Specs Compare
General Parameters
Release Date
Jan 2024
Dec 2023
Manufacturer
AMD
AMD
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Dragon Range
Zen 4 (Hawk Point)
Integrated Graphics
Radeon 610M
Radeon 760M
Generation
Ryzen 9 (Zen 4 (Dragon Range))
Ryzen 5 (Zen 4 (Hawk Point))
Package
Transistor Count
13.14 billions
25 billions
Manufacturing Process
5 nm
4 nm
Socket
AMD Socket FL1
FP8
Power Consumption
55 W
35-54 W
Peak Operating Temperature
100°C
100°C
Foundry
TSMC
TSMC
Die Size
2x71 mm²
178 mm²
I/O Process Size
6 nm
-
I/O Die Size
122 mm²
-
Package
µFC-BGAFL1
FP8, FP7, FP7r2
CPU Performance
Performance Cores
16
6
Performance Core Threads
32
12
Performance Core Base Frequency
2.4 GHz
4.3 GHz
Performance Core Turbo Frequency
5.2 GHz
5 GHz
Total Core Count
16
6
Total Thread Count
32
12
Bus Frequency
100 MHz
100 MHz
Multiplier
24.0
43x
L1 Cache
64 KB per core
64 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
64 MB shared
16 MB shared
Unlocked Multiplier
Yes
No
SMP
1
1
Memory Parameters
Memory Types
DDR5-5200
DDR5-5600, LPDDR5x-7500
Max Memory Size
64 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
83.2 GB/s
89.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
400 MHz
800 MHz
GPU Max Dynamic Frequency
2200 MHz
2600 MHz
Shader Units
128
512
Texture Units
8
32
Raster Operation Units
4
16
Execution Units
2
8
Power Consumption
15 W
15 W
Miscellaneous
PCIe Version
5
4.0
PCIe Lanes
28
20
Official Website
-
AMD Ryzen 5 8645HS official page
📊 Benchmark
Cinebench R23
1,864
1,724
Cinebench R23
33,370
13,058
Geekbench 6
2,688
2,455
Geekbench 6
15,655
10,287
Blender
575
188
Passmark CPU
-
3,795
Passmark CPU
-
23,060