Home Comparison AMD Ryzen 9 9955HX vs AMD Ryzen 9 8945HX

AMD Ryzen 9 9955HX vs AMD Ryzen 9 8945HX

We compared two laptop CPUs: AMD Ryzen 9 9955HX with 16 cores 2.5GHz and AMD Ryzen 9 8945HX 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 9 9955HX 's Advantages
Integrated graphics card
Higher specification of memory (5600 vs 5200)
More modern manufacturing process (4nm vs 5nm)
AMD Ryzen 9 8945HX 's Advantages
Newer PCIe version (5 vs 5.0)
Lower TDP (55W vs 75W)

Score

General Parameters

Jan 2025
Release Date
Apr 2025
Amd
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
-
Zen 5 (Fire Range)
Core Architecture
Dragon Range
9955HX
Processor Number
-
FL1
Socket
AMD Socket FL1
Radeon 610M
Integrated Graphics
Radeon 610M
-
Generation
Ryzen 9 (Zen 4 (Dragon Range))

Package

-
Transistor Count
13.14 billions
4 nm
Manufacturing Process
5 nm
55-75 W
Power Consumption
55 W
101 W
Max Turbo Power Consumption
-
100 °C
Peak Operating Temperature
100°C
-
Foundry
TSMC
-
Die Size
2x71 mm²
-
I/O Process Size
6 nm
-
I/O Die Size
122 mm²

CPU Performance

16
Performance Cores
-
32
Performance Core Threads
-
2.5 GHz
Performance Core Base Frequency
2.5 GHz
5.4 GHz
Performance Core Turbo Frequency
5.4 GHz
16
Total Core Count
16
32
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
25
Multiplier
24.0
80 K per core
L1 Cache
64 KB per core
1 MB per core
L2 Cache
1 MB per core
64 MB shared
L3 Cache
64 MB shared
Yes
Unlocked Multiplier
Yes
-
SMP
1

Memory Parameters

DDR5-5600
Memory Types
DDR5-5200
96 GB
Max Memory Size
-
2
Max Memory Channels
2
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
-
400 MHz
GPU Base Frequency
-
2200 MHz
GPU Max Dynamic Frequency
-
128
Shader Units
-
8
Texture Units
-
4
Raster Operation Units
-
2
Execution Units
-
15
Power Consumption
-
0.6 TFLOPS
Graphics Performance
-

Miscellaneous

Official Website
-
5.0
PCIe Version
5
28
PCIe Lanes
28
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