AMD EPYC 9845 vs AMD EPYC 7281
We compared two server CPUs: AMD EPYC 9845 with 160 cores 2.1GHz and AMD EPYC 7281 with 16 cores 2.1GHz . 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 7 years and 4 months late
Higher specification of memory (6000 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (320MB vs 32MB)
More modern manufacturing process (3nm vs 14nm)
AMD EPYC 7281 's Advantages
Lower TDP (170W vs 390W)
Score
General Parameters
Oct 2024
Release Date
Jun 2017
AMD
Manufacturer
AMD
Server
Type
Server
Turin
Core Architecture
Naples
AMD Socket SP5
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
EPYC(Zen 5c (Turin))
Generation
EPYC (Zen (Naples))
Package
Transistor Count
4.8 billions
3 nm
Manufacturing Process
14 nm
390 W
Power Consumption
170 W
-
Peak Operating Temperature
85 °C
TSMC
Foundry
GlobalFoundries
mm²
Die Size
213 mm²
6 nm
I/O Process Size
-
mm²
I/O Die Size
-
CPU Performance
160
Performance Cores
-
320
Performance Core Threads
-
2.1 GHz
Performance Core Base Frequency
2.1 GHz
3.7 GHz
Performance Core Turbo Frequency
2.7 GHz
160
Total Core Count
16
320
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
21.0
Multiplier
21.0
80 KB per core
L1 Cache
96 K per core
1 MB per core
L2 Cache
512 K per core
320 MB shared
L3 Cache
32 MB shared
No
Unlocked Multiplier
Yes
2
SMP
2
Memory Parameters
DDR5-6000
Memory Types
DDR4-2666
6 TB
Max Memory Size
-
12
Max Memory Channels
8
576 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
Yes
