EPYC 4465P vs Xeon 6556P B
We compared two server CPUs: EPYC 4465P with 12 cores 3.4GHz and Xeon 6556P B with 36 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
EPYC 4465P 's Advantages
Higher base frequency (3.4GHz vs 2.3GHz)
More modern manufacturing process (4nm vs 5nm)
Lower TDP (65W vs 215W)
Xeon 6556P B 's Advantages
Higher specification of memory (6400 vs 5600)
Larger L3 cache size (144MB vs 64MB)
Score
General Parameters
May 2025
Release Date
Feb 2025
AMD
Manufacturer
Intel
Server
Type
Server
Grado
Core Architecture
Granite Rapids
AMD Socket AM5
Socket
Intel BGA 4368
Radeon Graphics
Integrated Graphics
N/A
EPYC (Zen 5 (Grado))
Generation
Xeon 6 (Granite Rapids-D)
Package
16.63 billions
Transistor Count
-
4 nm
Manufacturing Process
5 nm
65 W
Power Consumption
215 W
95°C
Peak Operating Temperature
-
TSMC
Foundry
Intel
2x70.6 mm²
Die Size
598 mm²
6 nm
I/O Process Size
10 nm
122 mm²
I/O Die Size
-
CPU Performance
3.4 GHz
Performance Core Base Frequency
2.3 GHz
5.4 GHz
Performance Core Turbo Frequency
3.5 GHz
12
Total Core Count
36
24
Total Thread Count
72
100 MHz
Bus Frequency
100 MHz
34.0
Multiplier
23.0
80 KB per core
L1 Cache
112 KB per core
1 MB per core
L2 Cache
2 MB per core
64 MB shared
L3 Cache
144 MB shared
No
Unlocked Multiplier
No
1
SMP
2
-
AVX-512 FMA Ports
2
Memory Parameters
DDR5-5600
Memory Types
DDR5-6400
-
Max Memory Size
1.13 TB
2
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
5
PCIe Version
5
24
PCIe Lanes
32
