AMD EPYC 7663 vs Opteron A1120

VS

AMD EPYC 7663

AMD Opteron A1120

We compared two server CPUs: AMD EPYC 7663 with 56 cores 2GHz and Opteron A1120 with 4 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7663 '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 (2GHz vs 1.7GHz)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (7nm vs 28nm)

Opteron A1120 's Advantages

Lower TDP (25W vs 240W)

Score

AMD EPYC 7663

VS

Opteron A1120

General Parameters

Mar 2021

Release Date

Jan 2016

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Seattle

AMD Socket SP3

Socket

AMD Socket SP1

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Opteron (Seattle)

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

28 nm

240 W

Power Consumption

25 W

TSMC

Foundry

GlobalFoundries

8x81 mm²

Die Size

182 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2 GHz

Performance Core Base Frequency

1.7 GHz

3.5 GHz

Performance Core Turbo Frequency

0

56

Total Core Count

4

112

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

17.0

64 KB per core

L1 Cache

80 K per core

512 KB per core

L2 Cache

2 MB shared

256 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

7

Cores per CCD

-

2

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR3,DDR4-1866

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

8

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