AMD EPYC 9634 vs AMD EPYC 7551

VS

AMD EPYC 9634

AMD EPYC 7551

We compared two server CPUs: AMD EPYC 9634 with 84 cores 2.25GHz and AMD EPYC 7551 with 32 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

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)

Higher base frequency (2.25GHz vs 2GHz)

Larger L3 cache size (384MB vs 64MB)

More modern manufacturing process (5nm vs 14nm)

AMD EPYC 7551 's Advantages

Lower TDP (180W vs 290W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 9634 +41%

1262

AMD EPYC 7551

890

Geekbench 6 Multi Core

AMD EPYC 9634 +2%

5595

AMD EPYC 7551

5459

AMD EPYC 9634

VS

AMD EPYC 7551

General Parameters

Nov 2022

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Genoa

Core Architecture

Naples

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 4 (Genoa))

Generation

EPYC (Zen (Naples))

Package

78.84 billions

Transistor Count

4.8 billions

5 nm

Manufacturing Process

14 nm

290 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

TSMC

Foundry

GlobalFoundries

12x72 mm²

Die Size

213 mm²

6 nm

I/O Process Size

-

397 mm²

I/O Die Size

-

CPU Performance

2.25 GHz

Performance Core Base Frequency

2 GHz

3.7 GHz

Performance Core Turbo Frequency

3 GHz

84

Total Core Count

32

168

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

22.5

Multiplier

20.0

64 K per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

384 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR4-2666

12

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

128

PCIe Lanes

-

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