AMD EPYC 9684X vs Xeon 6556P B
We compared two server CPUs: AMD EPYC 9684X with 96 cores 2.55GHz 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
AMD EPYC 9684X 's Advantages
Higher base frequency (2.55GHz vs 2.3GHz)
Larger L3 cache size (1152MB vs 144MB)
Xeon 6556P B 's Advantages
Released 1 years and 8 months late
Higher specification of memory (6400 vs 4800)
Lower TDP (215W vs 400W)
Score
General Parameters
Jun 2023
Release Date
Feb 2025
AMD
Manufacturer
Intel
Server
Type
Server
Genoa-X
Core Architecture
Granite Rapids
AMD Socket SP5
Socket
Intel BGA 4368
N/A
Integrated Graphics
N/A
EPYC (Zen 4 (Genoa))
Generation
Xeon 6 (Granite Rapids-D)
Package
135.24 billions
Transistor Count
-
5 nm
Manufacturing Process
5 nm
400 W
Power Consumption
215 W
TSMC
Foundry
Intel
12x72 mm²
Die Size
598 mm²
6 nm
I/O Process Size
10 nm
397 mm²
I/O Die Size
-
CPU Performance
2.55 GHz
Performance Core Base Frequency
2.3 GHz
3.7 GHz
Performance Core Turbo Frequency
3.5 GHz
96
Total Core Count
36
192
Total Thread Count
72
100 MHz
Bus Frequency
100 MHz
25.5
Multiplier
23.0
64 K per core
L1 Cache
112 KB per core
1 MB per core
L2 Cache
2 MB per core
1152 MB shared
L3 Cache
144 MB shared
No
Unlocked Multiplier
No
2
SMP
2
-
AVX-512 FMA Ports
2
Memory Parameters
DDR5-4800
Memory Types
DDR5-6400
-
Max Memory Size
1.13 TB
12
Max Memory Channels
4
460.8 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
Yes
