AMD Ryzen 9 6900HX vs AMD Ryzen 9 8945HX
We compared two laptop CPUs: AMD Ryzen 9 6900HX with 8 cores 3.3GHz 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 6900HX Advantages
Integrated graphics card
Higher specification of memory (6400 vs 5200)
Higher base frequency (3.3GHz vs 2.5GHz)
Lower TDP (45W vs 55W)
AMD Ryzen 9 8945HX Advantages
Released 3 years and 3 months late
Newer PCIe version (5 vs 4.0)
Larger L3 cache size (64MB vs 16MB)
More modern manufacturing process (5nm vs 6nm)
Score
General Parameters
Jan 2022
Release Date
Apr 2025
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
-
Rembrandt
Core Architecture
Dragon Range
FP7
Socket
AMD Socket FL1
Radeon 680M
Integrated Graphics
Radeon 610M
-
Generation
Ryzen 9 (Zen 4 (Dragon Range))
Package
-
Transistor Count
13.14 billions
6 nm
Manufacturing Process
5 nm
45 W
Power Consumption
55 W
95 °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
8
Performance Cores
-
16
Performance Core Threads
-
3.3 GHz
Performance Core Base Frequency
2.5 GHz
4.9 GHz
Performance Core Turbo Frequency
5.4 GHz
8
Total Core Count
16
16
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
24.0
64 K per core
L1 Cache
64 KB per core
512 K per core
L2 Cache
1 MB per core
16 MB shared
L3 Cache
64 MB shared
Yes
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR5-4800, LPDDR5-6400
Memory Types
DDR5-5200
64 GB
Max Memory Size
-
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
-
-
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
-
2000 MHz
GPU Base Frequency
-
2400 MHz
GPU Max Dynamic Frequency
-
768
Shader Units
-
48
Texture Units
-
32
Raster Operation Units
-
12
Execution Units
-
15 W
Power Consumption
-
3.686 TFLOPS
Graphics Performance
-
