Opteron 154 vs AMD EPYC 7643

VS

AMD Opteron 154

AMD EPYC 7643

We compared two server CPUs: Opteron 154 with 1 cores 2.8GHz 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

Opteron 154 's Advantages

Higher base frequency (2.8GHz vs 2.3GHz)

Lower TDP (104W vs 225W)

AMD EPYC 7643 's Advantages

Released 15 years and 7 months late

Higher specification of memory (3200 vs 400)

More modern manufacturing process (7nm vs 90nm)

Score

Opteron 154

VS

AMD EPYC 7643

General Parameters

Aug 2005

Release Date

Mar 2021

AMD

Manufacturer

AMD

Server

Type

Server

Venus

Core Architecture

Milan

AMD Socket 939

Socket

AMD Socket SP3

On certain motherboards (Chipset feature)

Integrated Graphics

N/A

Opteron (Venus (E4))

Generation

EPYC (Zen 3 (Milan))

Package

0.114 billions

Transistor Count

33.2 billions

90 nm

Manufacturing Process

7 nm

104 W

Power Consumption

225 W

-

Foundry

TSMC

115 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.8 GHz

Performance Core Base Frequency

2.3 GHz

0

Performance Core Turbo Frequency

3.6 GHz

1

Total Core Count

48

1

Total Thread Count

96

200 MHz

Bus Frequency

100 MHz

14.0

Multiplier

23.0

128 KB

L1 Cache

64 KB per core

1 MB

L2 Cache

512 KB per core

-

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

6

1

SMP

2

Memory Parameters

DDR1-400

Memory Types

DDR4-3200

2

Max Memory Channels

8

No

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

4

-

PCIe Lanes

128

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