AMD EPYC 7663 vs Xeon 6756E

VS

AMD EPYC 7663

Intel Xeon 6756E

We compared two server CPUs: AMD EPYC 7663 with 56 cores 2GHz and Xeon 6756E with 128 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7663 's Advantages

Higher base frequency (2GHz vs 1.8GHz)

Larger L3 cache size (256MB vs 96MB)

Xeon 6756E 's Advantages

Released 3 years and 3 months late

Higher specification of memory (6400 vs 3200)

Newer PCIe version (5 vs 4)

More modern manufacturing process (5nm vs 7nm)

Lower TDP (225W vs 240W)

Score

AMD EPYC 7663

VS

Xeon 6756E

General Parameters

Mar 2021

Release Date

Jun 2024

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Sierra Forest

AMD Socket SP3

Socket

Intel Socket 4710

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon 6(Sierra Forest-SP)

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

5 nm

240 W

Power Consumption

225 W

-

Peak Operating Temperature

96°C

TSMC

Foundry

Intel

8x81 mm²

Die Size

-

12 nm

I/O Process Size

10 nm

416 mm²

I/O Die Size

-

CPU Performance

2 GHz

Performance Core Base Frequency

1.8 GHz

3.5 GHz

Performance Core Turbo Frequency

2.6 GHz

56

Total Core Count

128

112

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

18.0

64 KB per core

L1 Cache

96 KB per core

512 KB per core

L2 Cache

4 MB per module

256 MB shared

L3 Cache

96 MB shared

No

Unlocked Multiplier

No

7

Cores per CCD

-

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-3200

Memory Types

DDR5-6400

-

Max Memory Size

1 TB

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

5

128

PCIe Lanes

88

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