AMD EPYC 9634 vs AMD EPYC 9755

VS

AMD EPYC 9634

AMD EPYC 9755

We compared two server CPUs: AMD EPYC 9634 with 84 cores 2.25GHz and AMD EPYC 9755 with 128 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9634 's Advantages

Lower TDP (290W vs 500W)

AMD EPYC 9755 's Advantages

Released 1 years and 11 months late

Higher specification of memory (6000 vs 4800)

Higher base frequency (2.7GHz vs 2.25GHz)

Larger L3 cache size (512MB vs 384MB)

More modern manufacturing process (4nm vs 5nm)

Score

AMD EPYC 9634

VS

AMD EPYC 9755

General Parameters

Nov 2022

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Genoa

Core Architecture

Turin

AMD Socket SP5

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 4 (Genoa))

Generation

EPYC(Zen 5 (Turin))

Package

78.84 billions

Transistor Count

133.04 billions

5 nm

Manufacturing Process

4 nm

290 W

Power Consumption

500 W

TSMC

Foundry

TSMC

12x72 mm²

Die Size

16x70.6 mm²

6 nm

I/O Process Size

6 nm

397 mm²

I/O Die Size

mm²

CPU Performance

-

Performance Cores

128

-

Performance Core Threads

256

2.25 GHz

Performance Core Base Frequency

2.7 GHz

3.7 GHz

Performance Core Turbo Frequency

4.1 GHz

84

Total Core Count

128

168

Total Thread Count

256

100 MHz

Bus Frequency

100 MHz

22.5

Multiplier

27.0

64 K per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

384 MB shared

L3 Cache

512 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

12

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9755

5

PCIe Version

5

128

PCIe Lanes

128

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