AMD Ryzen 9 9955HX3D vs AMD Ryzen 7 7840U
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
May 2023
Manufacturer
Amd
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Fire Range)
Zen 4 (Phoenix)
Processor Number
9955HX3D
—
Integrated Graphics
Radeon 610M
Radeon 780M
Series
Ryzen 9000 Series
—
Package
Manufacturing Process
4 nm
4 nm
Socket
FL1
FP8
Power Consumption
55-75 W
15-30 W
Max Turbo Power Consumption
100 W
—
Peak Operating Temperature
100 °C
100 °C
Transistor Count
—
25 billions
CPU Performance
Performance Cores
16
8
Performance Core Threads
32
16
Performance Core Base Frequency
2.5 GHz
3.3 GHz
Performance Core Turbo Frequency
5.4 GHz
5.1 GHz
Total Core Count
16
8
Total Thread Count
32
16
Bus Frequency
100 MHz
100 MHz
Multiplier
25
33
L1 Cache
80 K per core
64 K per core
L2 Cache
1 MB per core
8 MB
L3 Cache
128 MB shared
16 MB
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-5600
DDR5-5600, LPDDR5x-7500
Max Memory Size
96 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
89.6 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
400 MHz
800 MHz
GPU Max Dynamic Frequency
2200 MHz
2700 MHz
Shader Units
128
768
Texture Units
8
48
Raster Operation Units
4
32
Execution Units
2
12
Power Consumption
15
15 W
Max Resolution
—
7680x4320 - 60 Hz
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
28
20
AI Accelerator
NPU
—
AMD Ryzen™ AI
Theoretical performance
—
10 TOPS
Benchmark
Cinebench R23
2,172
1,745
Cinebench R23
37,246
12,789
Geekbench 6
3,166
2,480
Geekbench 6
19,845
11,518
Cinebench 2024
129
—
Cinebench 2024
2,093
—
Blender
562
227
▲ Specs Compare
Data sourced from official specifications and benchmark tests.