Home Comparison AMD Ryzen 7 Pro 7840HS vs AMD Ryzen 9 7945HX

AMD Ryzen 7 Pro 7840HS vs AMD Ryzen 9 7945HX

AMD Ryzen 7 Pro 7840HS
VS
AMD Ryzen 9 7945HX
AMD Ryzen 7 Pro 7840HS
AMD Ryzen 9 7945HX
We compared two laptop CPUs: AMD Ryzen 7 Pro 7840HS with 8 cores 3.8GHz and AMD Ryzen 9 7945HX with 16 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 Pro 7840HS 's Advantages
Better graphics card performance
Higher specification of memory (7500 vs 5200)
Larger memory bandwidth (89.6GB/s vs 83.2GB/s)
Higher base frequency (3.8GHz vs 2.5GHz)
More modern manufacturing process (4nm vs 5nm)
Lower TDP (54W vs 75W)
AMD Ryzen 9 7945HX 's Advantages
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (64MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 7 Pro 7840HS
1757
AMD Ryzen 9 7945HX +10%
1950
Cinebench R23 Multi Core
AMD Ryzen 7 Pro 7840HS
15930
AMD Ryzen 9 7945HX +110%
33542
Geekbench 6 Single Core
AMD Ryzen 7 Pro 7840HS
2438
AMD Ryzen 9 7945HX +19%
2906
Geekbench 6 Multi Core
AMD Ryzen 7 Pro 7840HS
11851
AMD Ryzen 9 7945HX +63%
19413
Cinebench 2024 Single Core
AMD Ryzen 7 Pro 7840HS
102
AMD Ryzen 9 7945HX +11%
114
Cinebench 2024 Multi Core
AMD Ryzen 7 Pro 7840HS
866
AMD Ryzen 9 7945HX +92%
1669
Blender
AMD Ryzen 7 Pro 7840HS
190
AMD Ryzen 9 7945HX +163%
501
AMD Ryzen 7 Pro 7840HS
VS
AMD Ryzen 9 7945HX

General Parameters

Jun 2023
Release Date
Jan 2023
Amd
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Phoenix)
Core Architecture
Zen 4 (Dragon Range)
FP8
Socket
FL1
Radeon 780M
Integrated Graphics
Radeon 610M

Package

25 billions
Transistor Count
13.1 billions
4 nm
Manufacturing Process
5 nm
35-54 W
Power Consumption
55-75 W
100 °C
Peak Operating Temperature
100°C

CPU Performance

8
Performance Cores
16
16
Performance Core Threads
32
3.8 GHz
Performance Core Base Frequency
2.5 GHz
5.1 GHz
Performance Core Turbo Frequency
5.4 GHz
8
Total Core Count
16
16
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
38
Multiplier
25x
64 K per core
L1 Cache
64 K per core
8 MB
L2 Cache
1 MB per core
16 MB
L3 Cache
64 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR5-5200
256 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
83.2 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
1500 MHz
2700 MHz
GPU Max Dynamic Frequency
2200 MHz
768
Shader Units
128
48
Texture Units
8
32
Raster Operation Units
4
12
Execution Units
2
15
Power Consumption
15 W
7680x4320 - 60 Hz
Max Resolution
-
4.15 TFLOPS
Graphics Performance
0.49 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
-
10 TOPS
Theoretical performance
-

Miscellaneous

AMD Ryzen 7 Pro 7840HS
Official Website
AMD Ryzen 9 7945HX
4.0
PCIe Version
5.0
20
PCIe Lanes
28

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