AMD EPYC 9455P vs AMD EPYC 7251
We compared two server CPUs: AMD EPYC 9455P with 48 cores 3.15GHz and AMD EPYC 7251 with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 9455P 's Advantages
Released 7 years and 4 months late
Higher specification of memory (6000 vs 2400)
Newer PCIe version (5 vs 3)
Higher base frequency (3.15GHz vs 2.1GHz)
Larger L3 cache size (192MB vs 32MB)
More modern manufacturing process (4nm vs 14nm)
AMD EPYC 7251 's Advantages
Lower TDP (120W vs 300W)
Score
Benchmark
Geekbench 6 Single Core
AMD EPYC 9455P
+244%
2690
AMD EPYC 7251
781
Geekbench 6 Multi Core
AMD EPYC 9455P
+480%
21212
AMD EPYC 7251
3651
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 5 (Turin))
Generation
EPYC (Zen (Naples))
Package
Transistor Count
4.8 billions
4 nm
Manufacturing Process
14 nm
300 W
Power Consumption
120 W
-
Peak Operating Temperature
81 °C
TSMC
Foundry
GlobalFoundries
mm²
Die Size
213 mm²
6 nm
I/O Process Size
-
mm²
I/O Die Size
-
CPU Performance
48
Performance Cores
-
96
Performance Core Threads
-
3.15 GHz
Performance Core Base Frequency
2.1 GHz
4.4 GHz
Performance Core Turbo Frequency
2.9 GHz
48
Total Core Count
8
96
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
31.5
Multiplier
21.0
64 KB per core
L1 Cache
96 K per core
1 MB per core
L2 Cache
512 K per core
192 MB
L3 Cache
32 MB shared
No
Unlocked Multiplier
Yes
1
SMP
2
Memory Parameters
DDR5-6000
Memory Types
DDR4-2400
6 TB
Max Memory Size
-
12
Max Memory Channels
8
576 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
Yes
