AMD EPYC 7543 vs Opteron 4340

VS

AMD EPYC 7543

AMD Opteron 4340

We compared two server CPUs: AMD EPYC 7543 with 32 cores 2.8GHz and Opteron 4340 with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7543 's Advantages

Released 8 years and 3 months late

Higher specification of memory (3200 vs 3)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (7nm vs 32nm)

Opteron 4340 's Advantages

Higher base frequency (3.5GHz vs 2.8GHz)

Lower TDP (95W vs 225W)

Score

AMD EPYC 7543

VS

Opteron 4340

General Parameters

Mar 2021

Release Date

Dec 2012

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Seoul

AMD Socket SP3

Socket

AMD Socket C32

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Opteron (Seoul)

Package

33.2 billions

Transistor Count

1.2 billions

7 nm

Manufacturing Process

32 nm

225 W

Power Consumption

95 W

TSMC

Foundry

-

8x81 mm²

Die Size

315 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.8 GHz

Performance Core Base Frequency

3.5 GHz

3.7 GHz

Performance Core Turbo Frequency

3.8 GHz

32

Total Core Count

6

64

Total Thread Count

6

100 MHz

Bus Frequency

200 MHz

28.0

Multiplier

17.5

64 KB per core

L1 Cache

288 K

512 KB per core

L2 Cache

6 MB

256 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

4

Cores per CCD

-

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR3

8

Max Memory Channels

Yes

ECC Memory Support

No

Miscellaneous

4

PCIe Version

-

128

PCIe Lanes

-

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