AMD EPYC 7663 vs Opteron 43CX EE

VS

AMD EPYC 7663

AMD Opteron 43CX EE

We compared two server CPUs: AMD EPYC 7663 with 56 cores 2GHz and Opteron 43CX EE with 4 cores 2.2GHz . 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 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 43CX EE 's Advantages

Higher base frequency (2.2GHz vs 2GHz)

Lower TDP (35W vs 240W)

Score

AMD EPYC 7663

VS

Opteron 43CX EE

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

240 W

Power Consumption

35 W

TSMC

Foundry

-

8x81 mm²

Die Size

315 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2 GHz

Performance Core Base Frequency

2.2 GHz

3.5 GHz

Performance Core Turbo Frequency

3 GHz

56

Total Core Count

4

112

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

20.0

Multiplier

11.0

64 KB per core

L1 Cache

192 K

512 KB per core

L2 Cache

4 MB

256 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

7

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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