AMD EPYC 7663 vs Opteron 6348

VS

AMD EPYC 7663 Opteron 6348

We compared two server CPUs: AMD EPYC 7663 with 56 cores 2GHz and Opteron 6348 with 12 cores 2.8GHz . 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 4 months late

Higher specification of memory (DDR4-3200 vs DDR3-1866)

Newer PCIe version (4 vs 2)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (7nm vs 32nm)

Opteron 6348 's Advantages

Higher base frequency (2.8GHz vs 2GHz)

Lower TDP (115W vs 240W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7663 +70%

777

Opteron 6348

457

Geekbench 6 Multi Core

AMD EPYC 7663 +165%

6330

Opteron 6348

2387

AMD EPYC 7663

VS

Opteron 6348

General Parameters

Mar 2021

Release Date

Nov 2012

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Abu Dhabi

AMD Socket SP3

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Opteron (Abu Dhabi)

Package

33.2 billions

Transistor Count

2.4 billions

7 nm

Manufacturing Process

32 nm

AMD Socket SP3

Socket

AMD Socket G34

240 W

Power Consumption

115 W

TSMC

Foundry

GlobalFoundries

8x81 mm²

Die Size

2x315 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

FCLGA-4094

Package

-

CPU Performance

2 GHz

Performance Core Base Frequency

2.8 GHz

3.5 GHz

Performance Core Turbo Frequency

3.4 GHz

56

Total Core Count

12

112

Total Thread Count

12

100 MHz

Bus Frequency

200 MHz

20.0

Multiplier

14.0

64 KB per core

L1 Cache

576 K

512 KB per core

L2 Cache

12 MB

256 MB shared

L3 Cache

8 MB

No

Unlocked Multiplier

No

7

Cores per CCD

-

2

SMP

4

Memory Parameters

DDR4-3200

Memory Types

DDR3-1866

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

128

PCIe Lanes

-

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