Home Comparison AMD Ryzen 7 Pro 7840HS vs AMD Ryzen 5 PRO 8645HS

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

AMD Ryzen 7 Pro 7840HS
VS
AMD Ryzen 5 PRO 8645HS
AMD Ryzen 7 Pro 7840HS
AMD Ryzen 5 PRO 8645HS
We compared two laptop CPUs: AMD Ryzen 7 Pro 7840HS with 8 cores 3.8GHz and AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 PRO 8645HS 's Advantages
Released 10 months late
Higher specification of memory (7500 vs 7500)
Newer PCIe version (4 vs 4.0)
Higher base frequency (4.3GHz vs 3.8GHz)

Score

Benchmark

Geekbench 6 Single Core
AMD Ryzen 7 Pro 7840HS
2438
AMD Ryzen 5 PRO 8645HS +1%
2478
Geekbench 6 Multi Core
AMD Ryzen 7 Pro 7840HS +14%
11851
AMD Ryzen 5 PRO 8645HS
10306
Cinebench 2024 Single Core
AMD Ryzen 7 Pro 7840HS +3%
102
AMD Ryzen 5 PRO 8645HS
99
Cinebench 2024 Multi Core
AMD Ryzen 7 Pro 7840HS +23%
866
AMD Ryzen 5 PRO 8645HS
701
AMD Ryzen 7 Pro 7840HS
VS
AMD Ryzen 5 PRO 8645HS

General Parameters

Jun 2023
Release Date
Apr 2024
Amd
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
-
Zen 4 (Phoenix)
Core Architecture
Hawk Point
FP8
Socket
AMD Socket FP7
Radeon 780M
Integrated Graphics
Radeon 760M
-
Generation
Ryzen 5 (Zen 4 (Hawk Point))

Package

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

CPU Performance

8
Performance Cores
6
16
Performance Core Threads
12
3.8 GHz
Performance Core Base Frequency
4.3 GHz
5.1 GHz
Performance Core Turbo Frequency
5 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
38
Multiplier
43.0
64 K per core
L1 Cache
64 KB per core
8 MB
L2 Cache
6 MB
16 MB
L3 Cache
16 MB
No
Unlocked Multiplier
No
-
SMP
1

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR5-5600,LPDDR5x-7500
256 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
Yes

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
-
2700 MHz
GPU Max Dynamic Frequency
2600 MHz
768
Shader Units
-
48
Texture Units
-
32
Raster Operation Units
-
12
Execution Units
8
15
Power Consumption
-
7680x4320 - 60 Hz
Max Resolution
-
4.15 TFLOPS
Graphics Performance
-

AI Accelerator

AMD Ryzen™ AI
NPU
AMD Ryzen™ AI
10 TOPS
Theoretical performance
16 TOPS

Miscellaneous

AMD Ryzen 7 Pro 7840HS
Official Website
AMD Ryzen 5 PRO 8645HS
4.0
PCIe Version
4
20
PCIe Lanes
20

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