Product Compare

AMD Ryzen 7 Pro 7840HS vs AMD Ryzen 5 8645HS

CPU CPU
General Parameters
Release Date Jun 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 3.8 GHz 4.3 GHz
Performance Core Turbo Frequency 5.1 GHz 5 GHz
Total Core Count 8 6
Total Thread Count 16 12
Bus Frequency 100 MHz 100 MHz
Multiplier 38 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 Yes No
Graphics Card Parameters
Integrated Graphics true true
GPU Base Frequency 800 MHz 800 MHz
GPU Max Dynamic Frequency 2700 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
Official Website Official Link ↗ AMD Ryzen 5 8645HS official page
PCIe Version 4.0 4.0
PCIe Lanes 20 20
Benchmarks
Cinebench R23 Single Core 1757 1724
Cinebench R23 Multi Core 15930 13058
Geekbench 6 Single Core 2438 2455
Geekbench 6 Multi Core 11851 10287
Blender 190 188