AMD EPYC 7551P vs AMD EPYC 7663

VS

AMD EPYC 7551P AMD EPYC 7663

We compared two server CPUs: AMD EPYC 7551P with 32 cores 2GHz and AMD EPYC 7663 with 56 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7551P 's Advantages

Lower TDP (180W vs 240W)

AMD EPYC 7663 's Advantages

Released 3 years and 9 months late

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 64MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7551P

541

AMD EPYC 7663 +43%

777

Geekbench 6 Multi Core

AMD EPYC 7551P

2808

AMD EPYC 7663 +125%

6330

AMD EPYC 7551P

VS

AMD EPYC 7663

General Parameters

Jun 2017

Release Date

Mar 2021

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Milan

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

EPYC (Zen 3 (Milan))

Package

4.8 billions

Transistor Count

33.2 billions

14 nm

Manufacturing Process

7 nm

AMD Socket SP3

Socket

AMD Socket SP3

180 W

Power Consumption

240 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

TSMC

213 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

FCLGA-4094

Package

FCLGA-4094

CPU Performance

2 GHz

Performance Core Base Frequency

2 GHz

3 GHz

Performance Core Turbo Frequency

3.5 GHz

32

Total Core Count

56

64

Total Thread Count

112

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

20.0

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

512 KB per core

64 MB shared

L3 Cache

256 MB shared

Yes

Unlocked Multiplier

No

-

Cores per CCD

7

1

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

-

PCIe Lanes

128

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