AMD Ryzen 9 PRO 9955 vs AMD Ryzen 7 7840H
CPU · Specs Compare
General Parameters
Release Date
Jun 2026
Jan 2023
Manufacturer
AMD
AMD
Type
Server
Laptop
Core Architecture
Granite Ridge
Phoenix
Integrated Graphics
Radeon Graphics
Radeon 780M
Generation
Ryzen 9 (Zen 5 (Granite Ridge))
Ryzen 7 (Zen 4 (Phoenix))
Package
Transistor Count
16.63 billions
25 billions
Manufacturing Process
4 nm
4 nm
Socket
AMD Socket AM5
AMD Socket FP8
Power Consumption
120 W
35 W
Peak Operating Temperature
95°C
100 °C
Foundry
TSMC
TSMC
Die Size
2x70.6 mm²
178 mm²
I/O Process Size
6 nm
—
I/O Die Size
122 mm²
—
Package
FC-LGA1718
FP8, FP7, FP7r2
CPU Performance
Performance Core Base Frequency
3.4 GHz
3.8 GHz
Performance Core Turbo Frequency
5.4 GHz
5.1 GHz
Total Core Count
12
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
34.0
38.0
L1 Cache
80 KB per core
64 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
64 MB
16 MB shared
Unlocked Multiplier
No
No
SMP
1
1
Memory Parameters
Memory Types
DDR5-5600
DDR5-5600
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
89.6 GB/s
ECC Memory Support
Yes
Yes
Max Memory Size
—
256 GB
Miscellaneous
PCIe Version
5
4
PCIe Lanes
24
20
Graphics Card Parameters
Integrated Graphics
—
true
GPU Max Dynamic Frequency
—
2700 MHz
Execution Units
—
12
Benchmark
Geekbench 6
—
2,625
Geekbench 6
—
11,813
▲ Specs Compare
Data sourced from official specifications and benchmark tests.