Xeon 6515P vs AMD EPYC 7643
We compared two server CPUs: Xeon 6515P with 16 cores 2.3GHz and AMD EPYC 7643 with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Xeon 6515P 's Advantages
Released 3 years and 11 months late
Higher specification of memory (6400 vs 3200)
Newer PCIe version (5 vs 4)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (150W vs 225W)
AMD EPYC 7643 's Advantages
Larger L3 cache size (256MB vs 72MB)
Score
General Parameters
Feb 2025
Release Date
Mar 2021
Intel
Manufacturer
AMD
Server
Type
Server
Granite Rapids
Core Architecture
Milan
Intel Socket 4710
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
Xeon 6 (Granite Rapids-SP)
Generation
EPYC (Zen 3 (Milan))
Package
-
Transistor Count
33.2 billions
5 nm
Manufacturing Process
7 nm
150 W
Power Consumption
225 W
100°C
Peak Operating Temperature
-
Intel
Foundry
TSMC
-
Die Size
8x81 mm²
10 nm
I/O Process Size
12 nm
2x 241
I/O Die Size
416 mm²
CPU Performance
2.3 GHz
Performance Core Base Frequency
2.3 GHz
3.8 GHz
Performance Core Turbo Frequency
3.6 GHz
16
Total Core Count
48
32
Total Thread Count
96
100 MHz
Bus Frequency
100 MHz
23.0
Multiplier
23.0
112 KB per core
L1 Cache
64 KB per core
2 MB per core
L2 Cache
512 KB per core
72 MB shared
L3 Cache
256 MB shared
No
Unlocked Multiplier
No
-
Cores per CCD
6
2
SMP
2
2
AVX-512 FMA Ports
-
Memory Parameters
DDR5-6400
Memory Types
DDR4-3200
4 TB
Max Memory Size
-
8
Max Memory Channels
8
Yes
ECC Memory Support
Yes
Miscellaneous
5
PCIe Version
4
88
PCIe Lanes
128
