AMD EPYC 7343 vs AMD EPYC 7643

VS

AMD EPYC 7343

AMD EPYC 7643

We compared two server CPUs: AMD EPYC 7343 with 16 cores 3.2GHz and AMD EPYC 7643 with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7343 's Advantages

Higher base frequency (3.2GHz vs 2.3GHz)

Lower TDP (190W vs 225W)

AMD EPYC 7643 's Advantages

Larger L3 cache size (256MB vs 128MB)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7343

1014

AMD EPYC 7643 +67%

1696

Geekbench 6 Multi Core

AMD EPYC 7343

2582

AMD EPYC 7643 +284%

9939

AMD EPYC 7343

VS

AMD EPYC 7643

General Parameters

Mar 2021

Release Date

Mar 2021

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Milan

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

EPYC (Zen 3 (Milan))

Package

16.6 billions

Transistor Count

33.2 billions

7 nm

Manufacturing Process

7 nm

190 W

Power Consumption

225 W

TSMC

Foundry

TSMC

4x81 mm²

Die Size

8x81 mm²

12 nm

I/O Process Size

12 nm

416 mm²

I/O Die Size

416 mm²

CPU Performance

3.2 GHz

Performance Core Base Frequency

2.3 GHz

3.9 GHz

Performance Core Turbo Frequency

3.6 GHz

16

Total Core Count

48

32

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

32.0

Multiplier

23.0

64 KB per core

L1 Cache

64 KB per core

512 KB per core

L2 Cache

512 KB per core

128 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

4

Cores per CCD

6

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

4

128

PCIe Lanes

128

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