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Comparison
AMD EPYC 7643 vs AMD EPYC 7473X
AMD EPYC 7643 vs AMD EPYC 7473X
VS
AMD EPYC 7643
AMD EPYC 7473X
We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and AMD EPYC 7473X with 24 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 7643 's Advantages
Lower TDP (225W vs 240W)
AMD EPYC 7473X 's Advantages
Released 1 years late
Higher base frequency (2.8GHz vs 2.3GHz)
Larger L3 cache size (768MB vs 256MB)
Score
Benchmark
Geekbench 6 Single Core
AMD EPYC 7643
1696
AMD EPYC 7473X
+5%
1786
Geekbench 6 Multi Core
AMD EPYC 7643
9939
AMD EPYC 7473X
+59%
15829
AMD EPYC 7643
VS
AMD EPYC 7473X
General Parameters
Mar 2021
Release Date
Mar 2022
AMD
Manufacturer
AMD
Server
Type
Server
Milan
Core Architecture
Milan-X
AMD Socket SP3
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
EPYC (Zen 3 (Milan))
Generation
EPYC (Zen 3 (Milan))
Package
33.2 billions
Transistor Count
33.2 billions
7 nm
Manufacturing Process
7 nm
AMD Socket SP3
Socket
AMD Socket SP3
225 W
Power Consumption
240 W
TSMC
Foundry
TSMC
8x81 mm²
Die Size
8x81 mm²
12 nm
I/O Process Size
12 nm
416 mm²
I/O Die Size
416 mm²
FCLGA-4094
Package
FCLGA-4094
CPU Performance
2.3 GHz
Performance Core Base Frequency
2.8 GHz
3.6 GHz
Performance Core Turbo Frequency
3.7 GHz
48
Total Core Count
24
96
Total Thread Count
48
100 MHz
Bus Frequency
100 MHz
23.0
Multiplier
28.0
64 KB per core
L1 Cache
64 K per core
512 KB per core
L2 Cache
512 K per core
256 MB shared
L3 Cache
768 MB shared
No
Unlocked Multiplier
No
6
Cores per CCD
3
2
SMP
2
Memory Parameters
DDR4-3200
Memory Types
DDR4-3200
8
Max Memory Channels
8
Yes
ECC Memory Support
Yes
Miscellaneous
4
PCIe Version
4
128
PCIe Lanes
128
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