AMD EPYC 7281 vs AMD EPYC 9634

VS

AMD EPYC 7281

AMD EPYC 9634

We compared two server CPUs: AMD EPYC 7281 with 16 cores 2.1GHz 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 7281 's Advantages

Lower TDP (170W 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)

Higher base frequency (2.25GHz vs 2.1GHz)

Larger L3 cache size (384MB vs 32MB)

More modern manufacturing process (5nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7281

560

AMD EPYC 9634 +125%

1262

Geekbench 6 Multi Core

AMD EPYC 7281

456

AMD EPYC 9634 +1126%

5595

AMD EPYC 7281

VS

AMD EPYC 9634

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

170 W

Power Consumption

290 W

85 °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

2.1 GHz

Performance Core Base Frequency

2.25 GHz

2.7 GHz

Performance Core Turbo Frequency

3.7 GHz

16

Total Core Count

84

32

Total Thread Count

168

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

22.5

96 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

32 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

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