AMD EPYC 7643 vs Intel Xeon w7 2495X

VS

AMD EPYC 7643

Intel Xeon w7-2495X

We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Intel Xeon w7 2495X with 24 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643 's Advantages

Larger L3 cache size (256MB vs 45MB)

More modern manufacturing process (7nm vs 10nm)

Intel Xeon w7 2495X '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 (2.5GHz vs 2.3GHz)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7643

1696

Intel Xeon w7 2495X +23%

2091

Geekbench 6 Multi Core

AMD EPYC 7643

9939

Intel Xeon w7 2495X +66%

16508

AMD EPYC 7643

VS

Intel Xeon w7 2495X

General Parameters

Mar 2021

Release Date

Feb 2023

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Sapphire Rapids

AMD Socket SP3

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon W (Sapphire Rapids)

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

10 nm

225 W

Power Consumption

225 W

-

Peak Operating Temperature

77 °C

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

2.5 GHz

3.6 GHz

Performance Core Turbo Frequency

4.8 GHz

48

Total Core Count

24

96

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

25.0

64 KB per core

L1 Cache

80 K per core

512 KB per core

L2 Cache

2 MB per core

256 MB shared

L3 Cache

45 MB

No

Unlocked Multiplier

Yes

6

Cores per CCD

-

2

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-3200

Memory Types

DDR5-4800

-

Max Memory Size

2 TB

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

5

128

PCIe Lanes

64

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