AMD EPYC 7643 vs Xeon D 2798NT

VS

AMD EPYC 7643

Intel Xeon D-2798NT

We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Xeon D 2798NT with 20 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643 's Advantages

Higher base frequency (2.3GHz vs 2.1GHz)

Larger L3 cache size (256MB vs 30MB)

More modern manufacturing process (7nm vs 10nm)

Xeon D 2798NT 's Advantages

Released 11 months late

Lower TDP (125W vs 225W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7643 +70%

1696

Xeon D 2798NT

997

Geekbench 6 Multi Core

AMD EPYC 7643 +82%

9939

Xeon D 2798NT

5451

AMD EPYC 7643

VS

Xeon D 2798NT

General Parameters

Mar 2021

Release Date

Feb 2022

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Ice Lake-D

AMD Socket SP3

Socket

Intel BGA 2579

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon D(Ice Lake-D)

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

10 nm

225 W

Power Consumption

125 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

-

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.1 GHz

3.6 GHz

Performance Core Turbo Frequency

3.1 GHz

48

Total Core Count

20

96

Total Thread Count

40

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

21.0

64 KB per core

L1 Cache

80 KB per core

512 KB per core

L2 Cache

1.25 MB per core

256 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

No

6

Cores per CCD

-

2

SMP

1

-

AVX-512 FMA Ports

1

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

4

128

PCIe Lanes

32

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