AMD EPYC 9755 vs AMD EPYC 9845

VS

AMD EPYC 9755

AMD EPYC 9845

We compared two server CPUs: AMD EPYC 9755 with 128 cores 2.7GHz and AMD EPYC 9845 with 160 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9755 's Advantages

Higher base frequency (2.7GHz vs 2.1GHz)

Larger L3 cache size (512MB vs 320MB)

AMD EPYC 9845 's Advantages

More modern manufacturing process (3nm vs 4nm)

Lower TDP (390W vs 500W)

Score

AMD EPYC 9755

VS

AMD EPYC 9845

General Parameters

Oct 2024

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Turin

AMD Socket SP5

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

EPYC(Zen 5c (Turin))

Package

133.04 billions

Transistor Count

4 nm

Manufacturing Process

3 nm

500 W

Power Consumption

390 W

TSMC

Foundry

TSMC

16x70.6 mm²

Die Size

mm²

6 nm

I/O Process Size

6 nm

mm²

I/O Die Size

mm²

CPU Performance

128

Performance Cores

160

256

Performance Core Threads

320

2.7 GHz

Performance Core Base Frequency

2.1 GHz

4.1 GHz

Performance Core Turbo Frequency

3.7 GHz

128

Total Core Count

160

256

Total Thread Count

320

100 MHz

Bus Frequency

100 MHz

27.0

Multiplier

21.0

80 KB per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

512 MB shared

L3 Cache

320 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR5-6000

6 TB

Max Memory Size

6 TB

12

Max Memory Channels

12

576 GB/s

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9755

Official Website

AMD EPYC 9845

5

PCIe Version

5

128

PCIe Lanes

128

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