AMD EPYC 9255 vs EPYC 4465P
We compared two server CPUs: AMD EPYC 9255 with 24 cores 3.25GHz and EPYC 4465P with 12 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 9255 's Advantages
Higher specification of memory (6000 vs 5600)
Larger L3 cache size (128MB vs 64MB)
EPYC 4465P 's Advantages
Released 7 months late
Higher base frequency (3.4GHz vs 3.25GHz)
Lower TDP (65W vs 200W)
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
33.26 billions
Transistor Count
16.63 billions
4 nm
Manufacturing Process
4 nm
200 W
Power Consumption
65 W
-
Peak Operating Temperature
95°C
TSMC
Foundry
TSMC
4x70.6 mm²
Die Size
2x70.6 mm²
6 nm
I/O Process Size
6 nm
mm²
I/O Die Size
122 mm²
CPU Performance
24
Performance Cores
-
48
Performance Core Threads
-
3.25 GHz
Performance Core Base Frequency
3.4 GHz
4.8 GHz
Performance Core Turbo Frequency
5.4 GHz
24
Total Core Count
12
48
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
32.5
Multiplier
34.0
80 KB per core
L1 Cache
80 KB per core
1 MB per core
L2 Cache
1 MB per core
128 MB shared
L3 Cache
64 MB shared
No
Unlocked Multiplier
No
2
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
