AMD EPYC 7451 vs AMD EPYC 9634
We compared two server CPUs: AMD EPYC 7451 with 24 cores 2.3GHz and AMD EPYC 9634 with 84 cores 2.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD EPYC 7451 's Advantages
Higher base frequency (2.3GHz vs 2.25GHz)
Lower TDP (180W vs 290W)
AMD EPYC 9634 's Advantages
Released 5 years and 5 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (384MB vs 64MB)
More modern manufacturing process (5nm vs 14nm)
Score
Benchmark
Geekbench 6 Single Core
AMD EPYC 7451
879
AMD EPYC 9634
+43%
1262
Geekbench 6 Multi Core
AMD EPYC 7451
5142
AMD EPYC 9634
+8%
5595
General Parameters
Jun 2017
Release Date
Nov 2022
AMD
Manufacturer
AMD
Server
Type
Server
Naples
Core Architecture
Genoa
AMD Socket SP3
Socket
AMD Socket SP5
N/A
Integrated Graphics
N/A
EPYC (Zen (Naples))
Generation
EPYC (Zen 4 (Genoa))
Package
4.8 billions
Transistor Count
78.84 billions
14 nm
Manufacturing Process
5 nm
180 W
Power Consumption
290 W
81 °C
Peak Operating Temperature
-
GlobalFoundries
Foundry
TSMC
213 mm²
Die Size
12x72 mm²
-
I/O Process Size
6 nm
-
I/O Die Size
397 mm²
CPU Performance
2.3 GHz
Performance Core Base Frequency
2.25 GHz
3.2 GHz
Performance Core Turbo Frequency
3.7 GHz
24
Total Core Count
84
48
Total Thread Count
168
100 MHz
Bus Frequency
100 MHz
23.0
Multiplier
22.5
96 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
1 MB per core
64 MB shared
L3 Cache
384 MB shared
Yes
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR4-2666
Memory Types
DDR5-4800
8
Max Memory Channels
12
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
5
-
PCIe Lanes
128
