AMD EPYC 7643P vs Opteron 1389

VS

AMD EPYC 7643P

AMD Opteron 1389

We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and Opteron 1389 with 4 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643P 's Advantages

Released 14 years and 3 months late

Higher specification of memory (3200 vs 1333)

Newer PCIe version (4 vs 2)

Larger L3 cache size (256MB vs 6MB)

More modern manufacturing process (7nm vs 45nm)

Opteron 1389 's Advantages

Higher base frequency (2.9GHz vs 2.3GHz)

Lower TDP (115W vs 225W)

Score

AMD EPYC 7643P

VS

Opteron 1389

General Parameters

Sep 2023

Release Date

Jun 2009

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Suzuka

AMD Socket SP3

Socket

AMD Socket AM3

N/A

Integrated Graphics

On certain motherboards (Chipset feature)

EPYC (Zen 3 (Milan))

Generation

Opteron(Suzuka)

Package

33.2 billions

Transistor Count

0.758 billions

7 nm

Manufacturing Process

45 nm

225 W

Power Consumption

115 W

TSMC

Foundry

GlobalFoundries

8x81 mm²

Die Size

258 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.9 GHz

3.6 GHz

Performance Core Turbo Frequency

0

48

Total Core Count

4

96

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

23.0

Multiplier

14.5

64 KB per core

L1 Cache

128 KB per core

512 KB per core

L2 Cache

512 KB per core

256 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

1

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR3-1333

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

128

PCIe Lanes

-

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