AMD EPYC 9734 vs AMD EPYC 9745

VS

AMD EPYC 9734

AMD EPYC 9745

We compared two server CPUs: AMD EPYC 9734 with 112 cores 2.2GHz and AMD EPYC 9745 with 128 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9734 's Advantages

Lower TDP (340W vs 400W)

AMD EPYC 9745 's Advantages

Released 1 years and 4 months late

Higher specification of memory (6000 vs 4800)

Larger memory bandwidth (576GB/s vs 460.8GB/s)

Higher base frequency (2.4GHz vs 2.2GHz)

More modern manufacturing process (3nm vs 5nm)

Score

AMD EPYC 9734

VS

AMD EPYC 9745

General Parameters

Jun 2023

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Bergamo

Core Architecture

Turin

AMD Socket SP5

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 4c (Bergamo))

Generation

EPYC(Zen 5c (Turin))

Package

71 billions

Transistor Count

5 nm

Manufacturing Process

3 nm

340 W

Power Consumption

400 W

TSMC

Foundry

TSMC

8x73 mm²

Die Size

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

2.2 GHz

Performance Core Base Frequency

2.4 GHz

3 GHz

Performance Core Turbo Frequency

3.7 GHz

112

Total Core Count

128

224

Total Thread Count

256

100 MHz

Bus Frequency

100 MHz

22.0

Multiplier

24.0

64 KB per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

256 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

460.8 GB/s

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9734

Official Website

AMD EPYC 9745

5

PCIe Version

5

128

PCIe Lanes

128

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