Intel Xeon w5 3435X vs AMD EPYC 7643

VS

Intel Xeon w5-3435X

AMD EPYC 7643

We compared two server CPUs: Intel Xeon w5 3435X with 16 cores 3.1GHz and AMD EPYC 7643 with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon w5 3435X 's Advantages

Released 1 years and 11 months late

Higher specification of memory (4800 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (3.1GHz vs 2.3GHz)

AMD EPYC 7643 's Advantages

Larger L3 cache size (256MB vs 45MB)

More modern manufacturing process (7nm vs 10nm)

Lower TDP (225W vs 270W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon w5 3435X +38%

2353

AMD EPYC 7643

1696

Geekbench 6 Multi Core

Intel Xeon w5 3435X +95%

19383

AMD EPYC 7643

9939

Intel Xeon w5 3435X

VS

AMD EPYC 7643

General Parameters

Feb 2023

Release Date

Mar 2021

Intel

Manufacturer

AMD

Server

Type

Server

Sapphire Rapids

Core Architecture

Milan

Intel Socket 4677

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon W (Sapphire Rapids)

Generation

EPYC (Zen 3 (Milan))

Package

-

Transistor Count

33.2 billions

10 nm

Manufacturing Process

7 nm

270 W

Power Consumption

225 W

72 °C

Peak Operating Temperature

-

Intel

Foundry

TSMC

4x477 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

3.1 GHz

Performance Core Base Frequency

2.3 GHz

4.7 GHz

Performance Core Turbo Frequency

3.6 GHz

16

Total Core Count

48

32

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

31.0

Multiplier

23.0

80 K per core

L1 Cache

64 KB per core

2 MB per core

L2 Cache

512 KB per core

45 MB

L3 Cache

256 MB shared

Yes

Unlocked Multiplier

No

-

Cores per CCD

6

1

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4800

Memory Types

DDR4-3200

4 TB

Max Memory Size

-

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

4

112

PCIe Lanes

128

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