AMD Ryzen 9 6900HX vs AMD Ryzen 9 9955HX
We compared two laptop CPUs: AMD Ryzen 9 6900HX with 8 cores 3.3GHz and AMD Ryzen 9 9955HX 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 's Advantages
Better graphics card performance
Higher specification of memory (6400 vs 5600)
Higher base frequency (3.3GHz vs 2.5GHz)
Lower TDP (45W vs 75W)
AMD Ryzen 9 9955HX 's Advantages
Released 3 years late
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (64MB vs 16MB)
More modern manufacturing process (4nm vs 6nm)
Score
AMD Ryzen 9 6900HX
AMD Ryzen 9 9955HX
Benchmark
Cinebench R23 Single Core
AMD Ryzen 9 6900HX
1610
AMD Ryzen 9 9955HX
+33%
2154
Cinebench R23 Multi Core
AMD Ryzen 9 6900HX
14096
AMD Ryzen 9 9955HX
+154%
35887
Geekbench 6 Single Core
AMD Ryzen 9 6900HX
2097
AMD Ryzen 9 9955HX
+53%
3228
Geekbench 6 Multi Core
AMD Ryzen 9 6900HX
10086
AMD Ryzen 9 9955HX
+93%
19559
Cinebench 2024 Multi Core
AMD Ryzen 9 6900HX
719
AMD Ryzen 9 9955HX
+186%
2057
Cinebench 2026 Single Core
AMD Ryzen 9 6900HX
276
AMD Ryzen 9 9955HX
+153%
700
Cinebench 2026 Multi Core
AMD Ryzen 9 6900HX
2301
AMD Ryzen 9 9955HX
+247%
8004
Blender
AMD Ryzen 9 6900HX
205
AMD Ryzen 9 9955HX
+165%
545
General Parameters
Jan 2022
Release Date
Jan 2025
AMD
Manufacturer
Amd
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Rembrandt
Core Architecture
Zen 5 (Fire Range)
Processor Number
9955HX
FP7
Socket
FL1
Radeon 680M
Integrated Graphics
Radeon 610M
Series
Ryzen 9000 Series
Package
6 nm
Manufacturing Process
4 nm
45 W
Power Consumption
55-75 W
Max Turbo Power Consumption
101 W
95 °C
Peak Operating Temperature
100 °C
CPU Performance
8
Performance Cores
16
16
Performance Core Threads
32
3.3 GHz
Performance Core Base Frequency
2.5 GHz
4.9 GHz
Performance Core Turbo Frequency
5.4 GHz
0
Efficiency Cores
0
8
Total Core Count
16
16
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
25
64 K per core
L1 Cache
80 K per core
512 K per core
L2 Cache
1 MB per core
16 MB shared
L3 Cache
64 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR5-4800, LPDDR5-6400
Memory Types
DDR5-5600
64 GB
Max Memory Size
96 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
89.6 GB/s
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
2000 MHz
GPU Base Frequency
400 MHz
2400 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 W
Power Consumption
15
3.686 TFLOPS
Graphics Performance
0.6 TFLOPS
AI Accelerator
Miscellaneous
Related CPU Comparisons
Related News
Intel Set to Launch New Flagship Mobile CPU
Tuesday, March 3, 2026
Intel Unveils Comprehensive Frequency Matrix for Its New Processors
Monday, March 2, 2026
Foreign Media Conducted a Comparison of 15 Intel Processors Spanning 18 Years
Saturday, February 28, 2026
AMD RDNA 5 New Graphics Card with Up to 96 CUs
Friday, February 27, 2026
AMD Launches New Processor Lineup
Thursday, February 26, 2026
AMD Delays Zen6 Desktop Processor Release Date
Wednesday, February 25, 2026
Is Intel Abandoning Big.LITTLE Architecture for a Unified Design?
Tuesday, February 24, 2026
AMD's Next-Generation Desktop Processors Codenamed Olympic Ridge to Introduce New Product Line Based on Zen 6 Architecture on the AM5 Platform
Friday, February 20, 2026