AMD EPYC 9845 vs AMD EPYC 9745
We compared two server CPUs: AMD EPYC 9845 with 160 cores 2.1GHz and AMD EPYC 9745 with 128 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 9845 's Advantages
Larger L3 cache size (320MB vs 256MB)
Lower TDP (390W vs 400W)
AMD EPYC 9745 's Advantages
Higher base frequency (2.4GHz vs 2.1GHz)
Score
General Parameters
Oct 2024
Release Date
Oct 2024
AMD
Manufacturer
AMD
Server
Type
Server
Turin
Core Architecture
Turin
AMD Socket SP5
Socket
AMD Socket SP5
N/A
Integrated Graphics
N/A
EPYC(Zen 5c (Turin))
Generation
EPYC(Zen 5c (Turin))
Package
3 nm
Manufacturing Process
3 nm
390 W
Power Consumption
400 W
TSMC
Foundry
TSMC
mm²
Die Size
mm²
6 nm
I/O Process Size
6 nm
mm²
I/O Die Size
mm²
CPU Performance
160
Performance Cores
128
320
Performance Core Threads
256
2.1 GHz
Performance Core Base Frequency
2.4 GHz
3.7 GHz
Performance Core Turbo Frequency
3.7 GHz
160
Total Core Count
128
320
Total Thread Count
256
100 MHz
Bus Frequency
100 MHz
21.0
Multiplier
24.0
80 KB per core
L1 Cache
80 KB per core
1 MB per core
L2 Cache
1 MB per core
320 MB shared
L3 Cache
256 MB shared
No
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR5-6000
Memory Types
DDR5-6000
6 TB
Max Memory Size
6 TB
12
Max Memory Channels
12
576 GB/s
Max Memory Bandwidth
576 GB/s
Yes
ECC Memory Support
Yes
