Xeon 6756E vs AMD EPYC 7551

VS

Intel Xeon 6756E

AMD EPYC 7551

We compared two server CPUs: Xeon 6756E with 128 cores 1.8GHz and AMD EPYC 7551 with 32 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon 6756E 's Advantages

Released 7 years late

Higher specification of memory (6400 vs 2666)

Newer PCIe version (5 vs 3)

Larger L3 cache size (96MB vs 64MB)

More modern manufacturing process (5nm vs 14nm)

AMD EPYC 7551 's Advantages

Higher base frequency (2GHz vs 1.8GHz)

Lower TDP (180W vs 225W)

Score

Xeon 6756E

VS

AMD EPYC 7551

General Parameters

Jun 2024

Release Date

Jun 2017

Intel

Manufacturer

AMD

Server

Type

Server

Sierra Forest

Core Architecture

Naples

Intel Socket 4710

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon 6(Sierra Forest-SP)

Generation

EPYC (Zen (Naples))

Package

-

Transistor Count

4.8 billions

5 nm

Manufacturing Process

14 nm

225 W

Power Consumption

180 W

96°C

Peak Operating Temperature

81 °C

Intel

Foundry

GlobalFoundries

-

Die Size

213 mm²

10 nm

I/O Process Size

-

CPU Performance

1.8 GHz

Performance Core Base Frequency

2 GHz

2.6 GHz

Performance Core Turbo Frequency

3 GHz

128

Total Core Count

32

128

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

20.0

96 KB per core

L1 Cache

96 K per core

4 MB per module

L2 Cache

512 K per core

96 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-6400

Memory Types

DDR4-2666

1 TB

Max Memory Size

-

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

88

PCIe Lanes

-

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