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

AMD Ryzen 7 7840HS vs AMD Ryzen 5 8645HS

AMD Ryzen 7 7840HS
VS
AMD Ryzen 5 8645HS
AMD Ryzen 7 7840HS
AMD Ryzen 5 8645HS
We compared two laptop CPUs: AMD Ryzen 7 7840HS with 8 cores 3.8GHz and AMD Ryzen 5 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 7 7840HS 's Advantages
Better graphics card performance
AMD Ryzen 5 8645HS 's Advantages
Released 8 months late
Higher base frequency (4.3GHz vs 3.8GHz)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 7 7840HS +2%
1768
AMD Ryzen 5 8645HS
1724
Cinebench R23 Multi Core
AMD Ryzen 7 7840HS +26%
16477
AMD Ryzen 5 8645HS
13058
Geekbench 6 Single Core
AMD Ryzen 7 7840HS +4%
2575
AMD Ryzen 5 8645HS
2455
Geekbench 6 Multi Core
AMD Ryzen 7 7840HS +17%
12085
AMD Ryzen 5 8645HS
10287
Cinebench 2024 Single Core
AMD Ryzen 7 7840HS +3%
102
AMD Ryzen 5 8645HS
99
Cinebench 2024 Multi Core
AMD Ryzen 7 7840HS +23%
866
AMD Ryzen 5 8645HS
702
Blender
AMD Ryzen 7 7840HS +42%
267
AMD Ryzen 5 8645HS
187
Passmark CPU Single Core
AMD Ryzen 7 7840HS
3785
AMD Ryzen 5 8645HS
3795
Passmark CPU Multi Core
AMD Ryzen 7 7840HS +25%
28911
AMD Ryzen 5 8645HS
23060
AMD Ryzen 7 7840HS
VS
AMD Ryzen 5 8645HS

General Parameters

Apr 2023
Release Date
Dec 2023
Amd
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Phoenix)
Core Architecture
Zen 4 (Hawk Point)
FP8
Socket
FP8
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
100°C
-
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
43x
64 K per core
L1 Cache
64 K per core
8 MB
L2 Cache
1 MB per core
16 MB
L3 Cache
16 MB shared
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
No

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
800 MHz
2700 MHz
GPU Max Dynamic Frequency
2600 MHz
768
Shader Units
512
48
Texture Units
32
32
Raster Operation Units
16
12
Execution Units
8
15
Power Consumption
15 W
7680x4320 - 60 Hz
Max Resolution
-
4.15 TFLOPS
Graphics Performance
2.66 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
-
10 TOPS
Theoretical performance
-

Miscellaneous

AMD Ryzen 7 7840HS
Official Website
AMD Ryzen 5 8645HS official page
4.0
PCIe Version
4.0
20
PCIe Lanes
20

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