AMD EPYC 7663P vs Xeon 6543P B
We compared two server CPUs: AMD EPYC 7663P with 56 cores 2GHz and Xeon 6543P B with 32 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 7663P 's Advantages
Larger L3 cache size (256MB vs 128MB)
Xeon 6543P B 's Advantages
Released 1 years and 5 months late
Higher specification of memory (5600 vs 3200)
Newer PCIe version (5 vs 4)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (160W vs 240W)
Score
General Parameters
Sep 2023
Release Date
Feb 2025
AMD
Manufacturer
Intel
Server
Type
Server
Milan
Core Architecture
Granite Rapids
AMD Socket SP3
Socket
Intel BGA 4368
N/A
Integrated Graphics
N/A
EPYC (Zen 3 (Milan))
Generation
Xeon 6 (Granite Rapids-D)
Package
33.2 billions
Transistor Count
-
7 nm
Manufacturing Process
5 nm
240 W
Power Consumption
160 W
TSMC
Foundry
Intel
8x81 mm²
Die Size
598 mm²
12 nm
I/O Process Size
10 nm
416 mm²
I/O Die Size
-
CPU Performance
2 GHz
Performance Core Base Frequency
2 GHz
3.5 GHz
Performance Core Turbo Frequency
3.3 GHz
56
Total Core Count
32
112
Total Thread Count
64
100 MHz
Bus Frequency
100 MHz
20.0
Multiplier
20.0
64 KB per core
L1 Cache
112 KB per core
512 KB per core
L2 Cache
2 MB per core
256 MB shared
L3 Cache
128 MB shared
No
Unlocked Multiplier
No
8
Cores per CCD
-
1
SMP
1
-
AVX-512 FMA Ports
2
Memory Parameters
DDR4-3200
Memory Types
DDR5-5600
-
Max Memory Size
1.13 TB
8
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
4
PCIe Version
5
128
PCIe Lanes
32
