AMD Ryzen 5 8645HS vs AMD Ryzen 7 Pro 7840HS
CPU · Specs Compare
General Parameters
Release Date
Dec 2023
Jun 2023
Manufacturer
AMD
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Hawk Point)
Zen 4 (Phoenix)
Integrated Graphics
Radeon 760M
Radeon 780M
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
6
8
Performance Core Threads
12
16
Performance Core Base Frequency
4.3 GHz
3.8 GHz
Performance Core Turbo Frequency
5 GHz
5.1 GHz
Total Core Count
6
8
Total Thread Count
12
16
Bus Frequency
100 MHz
100 MHz
Multiplier
43x
38
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
8 MB
L3 Cache
16 MB shared
16 MB
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
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
800 MHz
GPU Max Dynamic Frequency
2600 MHz
2700 MHz
Shader Units
512
768
Texture Units
32
48
Raster Operation Units
16
32
Execution Units
8
12
Power Consumption
15 W
15
Max Resolution
—
7680x4320 - 60 Hz
Miscellaneous
PCIe Version
4.0
4.0
PCIe Lanes
20
20
AI Accelerator
NPU
—
AMD Ryzen™ AI
Theoretical performance
—
10 TOPS
Benchmark
Cinebench R23
1,724
1,757
Cinebench R23
13,058
15,930
Geekbench 6
2,455
2,438
Geekbench 6
10,287
11,851
Blender
188
190
Passmark CPU
3,795
—
Passmark CPU
23,060
—
Cinebench 2024
—
102
Cinebench 2024
—
866
▲ Specs Compare
Data sourced from official specifications and benchmark tests.