AMD EPYC 7251 vs EPYC 4245P
We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz and EPYC 4245P with 6 cores 3.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
EPYC 4245P 's Advantages
Released 7 years and 11 months late
Higher specification of memory (5600 vs 2400)
Newer PCIe version (5 vs 3)
Higher base frequency (3.9GHz vs 2.1GHz)
More modern manufacturing process (4nm vs 14nm)
Lower TDP (65W vs 120W)
Score
General Parameters
Jun 2017
Release Date
May 2025
AMD
Manufacturer
AMD
Server
Type
Server
Naples
Core Architecture
Grado
AMD Socket SP3
Socket
AMD Socket AM5
N/A
Integrated Graphics
Radeon Graphics
EPYC (Zen (Naples))
Generation
EPYC (Zen 5 (Grado))
Package
4.8 billions
Transistor Count
8.315 billions
14 nm
Manufacturing Process
4 nm
120 W
Power Consumption
65 W
81 °C
Peak Operating Temperature
95°C
GlobalFoundries
Foundry
TSMC
213 mm²
Die Size
70.6 mm²
-
I/O Process Size
6 nm
-
I/O Die Size
122 mm²
CPU Performance
2.1 GHz
Performance Core Base Frequency
3.9 GHz
2.9 GHz
Performance Core Turbo Frequency
5.4 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
21.0
Multiplier
39.0
96 K per core
L1 Cache
80 KB per core
512 K per core
L2 Cache
1 MB per core
32 MB shared
L3 Cache
32 MB shared
Yes
Unlocked Multiplier
No
2
SMP
1
Memory Parameters
DDR4-2400
Memory Types
DDR5-5600
8
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
5
-
PCIe Lanes
24
