AMD Ryzen 9 PRO 9955 vs AMD EPYC 7742
CPU Specs Compare
General Parameters
Release Date
Jun 2026
Aug 2019
Manufacturer
AMD
AMD
Type
Server
Server
Core Architecture
Granite Ridge
Rome
Integrated Graphics
Radeon Graphics
N/A
Generation
Ryzen 9 (Zen 5 (Granite Ridge))
EPYC (Zen 2 (Rome))
Package
Transistor Count
16.63 billions
3.8 billions
Manufacturing Process
4 nm
7 nm
Socket
AMD Socket AM5
AMD Socket SP3
Power Consumption
120 W
225 W
Peak Operating Temperature
95°C
-
Foundry
TSMC
TSMC
Die Size
2x70.6 mm²
74 mm²
I/O Process Size
6 nm
-
I/O Die Size
122 mm²
-
Package
FC-LGA1718
FCLGA-4094
CPU Performance
Performance Core Base Frequency
3.4 GHz
2.25 GHz
Performance Core Turbo Frequency
5.4 GHz
3.4 GHz
Total Core Count
12
64
Total Thread Count
24
128
Bus Frequency
100 MHz
100 MHz
Multiplier
34.0
22.5
L1 Cache
80 KB per core
96 K per core
L2 Cache
1 MB per core
512 K per core
L3 Cache
64 MB
256 MB shared
Unlocked Multiplier
No
No
SMP
1
2
Memory Parameters
Memory Types
DDR5-5600
DDR4-3200
Max Memory Channels
2
8
Max Memory Bandwidth
89.6 GB/s
-
ECC Memory Support
Yes
Yes
Miscellaneous
PCIe Version
5
4
PCIe Lanes
24
-
📊 Benchmark
Geekbench 6
-
404
Geekbench 6
-
170