AMD EPYC 9455P vs EPYC 4345P
We compared two server CPUs: AMD EPYC 9455P with 48 cores 3.15GHz and EPYC 4345P with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 9455P 's Advantages
Higher specification of memory (6000 vs 5600)
Larger L3 cache size (192MB vs 32MB)
EPYC 4345P 's Advantages
Released 7 months late
Higher base frequency (3.8GHz vs 3.15GHz)
Lower TDP (65W vs 300W)
Score
General Parameters
Oct 2024
Release Date
May 2025
AMD
Manufacturer
AMD
Server
Type
Server
Turin
Core Architecture
Grado
AMD Socket SP5
Socket
AMD Socket AM5
N/A
Integrated Graphics
Radeon Graphics
EPYC (Zen 5 (Turin))
Generation
EPYC (Zen 5 (Grado))
Package
Transistor Count
8.315 billions
4 nm
Manufacturing Process
4 nm
300 W
Power Consumption
65 W
-
Peak Operating Temperature
95°C
TSMC
Foundry
TSMC
mm²
Die Size
70.6 mm²
6 nm
I/O Process Size
6 nm
mm²
I/O Die Size
122 mm²
CPU Performance
48
Performance Cores
-
96
Performance Core Threads
-
3.15 GHz
Performance Core Base Frequency
3.8 GHz
4.4 GHz
Performance Core Turbo Frequency
5.5 GHz
48
Total Core Count
8
96
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
31.5
Multiplier
38.0
64 KB per core
L1 Cache
80 KB per core
1 MB per core
L2 Cache
1 MB per core
192 MB
L3 Cache
32 MB shared
No
Unlocked Multiplier
No
1
SMP
1
Memory Parameters
DDR5-6000
Memory Types
DDR5-5600
6 TB
Max Memory Size
-
12
Max Memory Channels
2
576 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
Yes
