AMD EPYC 9255 vs AMD EPYC 7443P
We compared two server CPUs: AMD EPYC 9255 with 24 cores 3.25GHz and AMD EPYC 7443P with 24 cores 2.85GHz . 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 9255
+69%
2535
AMD EPYC 7443P
1500
Geekbench 6 Multi Core
AMD EPYC 9255
+1341%
22355
AMD EPYC 7443P
1551
General Parameters
Oct 2024
Release Date
Mar 2021
AMD
Manufacturer
AMD
Server
Type
Server
Turin
Core Architecture
Milan
AMD Socket SP5
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
EPYC(Zen 5 (Turin))
Generation
EPYC (Zen 3 (Milan))
Package
33.26 billions
Transistor Count
16.6 billions
4 nm
Manufacturing Process
7 nm
200 W
Power Consumption
200 W
TSMC
Foundry
TSMC
4x70.6 mm²
Die Size
4x81 mm²
6 nm
I/O Process Size
12 nm
mm²
I/O Die Size
416 mm²
CPU Performance
24
Performance Cores
-
48
Performance Core Threads
-
3.25 GHz
Performance Core Base Frequency
2.85 GHz
4.8 GHz
Performance Core Turbo Frequency
4 GHz
24
Total Core Count
24
48
Total Thread Count
48
100 MHz
Bus Frequency
100 MHz
32.5
Multiplier
28.5
80 KB per core
L1 Cache
64 KB per core
1 MB per core
L2 Cache
512 KB per core
128 MB shared
L3 Cache
128 MB shared
No
Unlocked Multiplier
No
-
Cores per CCD
6
2
SMP
1
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
