AMD EPYC 7443P vs AMD EPYC 9255
We compared two server CPUs: AMD EPYC 7443P with 24 cores 2.85GHz and AMD EPYC 9255 with 24 cores 3.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 9255 's Advantages
Released 3 years and 7 months late
Higher specification of memory (6000 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.25GHz vs 2.85GHz)
More modern manufacturing process (4nm vs 7nm)
Score
Benchmark
Geekbench 6 Single Core
AMD EPYC 7443P
1500
AMD EPYC 9255
+69%
2535
Geekbench 6 Multi Core
AMD EPYC 7443P
1551
AMD EPYC 9255
+1341%
22355
General Parameters
Mar 2021
Release Date
Oct 2024
AMD
Manufacturer
AMD
Server
Type
Server
Milan
Core Architecture
Turin
AMD Socket SP3
Socket
AMD Socket SP5
N/A
Integrated Graphics
N/A
EPYC (Zen 3 (Milan))
Generation
EPYC(Zen 5 (Turin))
Package
16.6 billions
Transistor Count
33.26 billions
7 nm
Manufacturing Process
4 nm
200 W
Power Consumption
200 W
TSMC
Foundry
TSMC
4x81 mm²
Die Size
4x70.6 mm²
12 nm
I/O Process Size
6 nm
416 mm²
I/O Die Size
mm²
CPU Performance
-
Performance Cores
24
-
Performance Core Threads
48
2.85 GHz
Performance Core Base Frequency
3.25 GHz
4 GHz
Performance Core Turbo Frequency
4.8 GHz
24
Total Core Count
24
48
Total Thread Count
48
100 MHz
Bus Frequency
100 MHz
28.5
Multiplier
32.5
64 KB per core
L1 Cache
80 KB per core
512 KB per core
L2 Cache
1 MB per core
128 MB shared
L3 Cache
128 MB shared
No
Unlocked Multiplier
No
6
Cores per CCD
-
1
SMP
2
Memory Parameters
DDR4-3200
Memory Types
DDR5-6000
-
Max Memory Size
6 TB
8
Max Memory Channels
12
-
Max Memory Bandwidth
576 GB/s
Yes
ECC Memory Support
Yes
