Opteron A1120 vs AMD EPYC 7763

VS

AMD Opteron A1120

AMD EPYC 7763

We compared two server CPUs: Opteron A1120 with 4 cores 1.7GHz and AMD EPYC 7763 with 64 cores 2.45GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron A1120 's Advantages

Lower TDP (25W vs 280W)

AMD EPYC 7763 's Advantages

Released 5 years and 2 months late

Higher specification of memory (3200 vs 1866)

Newer PCIe version (4 vs 3)

Higher base frequency (2.45GHz vs 1.7GHz)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (7nm vs 28nm)

Score

Opteron A1120

VS

AMD EPYC 7763

General Parameters

Jan 2016

Release Date

Mar 2021

AMD

Manufacturer

AMD

Server

Type

Server

Seattle

Core Architecture

Milan

AMD Socket SP1

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Opteron (Seattle)

Generation

EPYC (Zen 3 (Milan))

Package

-

Transistor Count

33.2 billions

28 nm

Manufacturing Process

7 nm

25 W

Power Consumption

280 W

GlobalFoundries

Foundry

TSMC

182 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

1.7 GHz

Performance Core Base Frequency

2.45 GHz

0

Performance Core Turbo Frequency

3.5 GHz

4

Total Core Count

64

4

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

17.0

Multiplier

24.5

80 K per core

L1 Cache

64 KB per core

2 MB shared

L2 Cache

512 KB per core

8 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

8

1

SMP

2

Memory Parameters

DDR3,DDR4-1866

Memory Types

DDR4-3200

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

8

PCIe Lanes

128

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