AMD EPYC 9684X vs AMD EPYC 7643P
We compared two server CPUs: AMD EPYC 9684X with 96 cores 2.55GHz and AMD EPYC 7643P with 48 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 specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (2.55GHz vs 2.3GHz)
Larger L3 cache size (1152MB vs 256MB)
More modern manufacturing process (5nm vs 7nm)
AMD EPYC 7643P 's Advantages
Lower TDP (225W vs 400W)
Score
Benchmark
Geekbench 6 Single Core
AMD EPYC 9684X
+47%
2097
AMD EPYC 7643P
1420
Geekbench 6 Multi Core
AMD EPYC 9684X
+1372%
21077
AMD EPYC 7643P
1431
General Parameters
Jun 2023
Release Date
Sep 2023
AMD
Manufacturer
AMD
Server
Type
Server
Genoa-X
Core Architecture
Milan
AMD Socket SP5
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
EPYC (Zen 4 (Genoa))
Generation
EPYC (Zen 3 (Milan))
Package
135.24 billions
Transistor Count
33.2 billions
5 nm
Manufacturing Process
7 nm
400 W
Power Consumption
225 W
TSMC
Foundry
TSMC
12x72 mm²
Die Size
8x81 mm²
6 nm
I/O Process Size
12 nm
397 mm²
I/O Die Size
416 mm²
CPU Performance
2.55 GHz
Performance Core Base Frequency
2.3 GHz
3.7 GHz
Performance Core Turbo Frequency
3.6 GHz
96
Total Core Count
48
192
Total Thread Count
96
100 MHz
Bus Frequency
100 MHz
25.5
Multiplier
23.0
64 K per core
L1 Cache
64 KB per core
1 MB per core
L2 Cache
512 KB per core
1152 MB shared
L3 Cache
256 MB shared
No
Unlocked Multiplier
No
-
Cores per CCD
8
2
SMP
1
Memory Parameters
DDR5-4800
Memory Types
DDR4-3200
12
Max Memory Channels
8
460.8 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
Yes
