AMD EPYC 9845 vs AMD EPYC 7773X
We compared two server CPUs: AMD EPYC 9845 with 160 cores 2.1GHz and AMD EPYC 7773X with 64 cores 2.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 9845 's Advantages
Released 2 years and 7 months late
Higher specification of memory (6000 vs 3200)
Newer PCIe version (5 vs 4)
More modern manufacturing process (3nm vs 7nm)
AMD EPYC 7773X 's Advantages
Higher base frequency (2.2GHz vs 2.1GHz)
Larger L3 cache size (768MB vs 320MB)
Lower TDP (280W vs 390W)
Score
General Parameters
Oct 2024
Release Date
Mar 2022
AMD
Manufacturer
AMD
Server
Type
Server
Turin
Core Architecture
Milan-X
AMD Socket SP5
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
EPYC(Zen 5c (Turin))
Generation
EPYC (Zen 3 (Milan))
Package
Transistor Count
33.2 billions
3 nm
Manufacturing Process
7 nm
390 W
Power Consumption
280 W
TSMC
Foundry
TSMC
mm²
Die Size
8x81 mm²
6 nm
I/O Process Size
12 nm
mm²
I/O Die Size
416 mm²
CPU Performance
160
Performance Cores
-
320
Performance Core Threads
-
2.1 GHz
Performance Core Base Frequency
2.2 GHz
3.7 GHz
Performance Core Turbo Frequency
3.5 GHz
160
Total Core Count
64
320
Total Thread Count
128
100 MHz
Bus Frequency
100 MHz
21.0
Multiplier
22.0
80 KB per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
512 K per core
320 MB shared
L3 Cache
768 MB shared
No
Unlocked Multiplier
No
-
Cores per CCD
8
2
SMP
2
Memory Parameters
DDR5-6000
Memory Types
DDR4-3200
6 TB
Max Memory Size
-
12
Max Memory Channels
8
576 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
Yes
