Intel Xeon W 2170B vs AMD EPYC 7643

VS

Intel Xeon W-2170B

AMD EPYC 7643

We compared two server CPUs: Intel Xeon W 2170B with 14 cores 2.5GHz 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 W 2170B 's Advantages

Higher base frequency (2.5GHz vs 2.3GHz)

Lower TDP (140W vs 225W)

AMD EPYC 7643 's Advantages

Released 3 years and 3 months late

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 19.25MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon W 2170B

1400

AMD EPYC 7643 +21%

1696

Geekbench 6 Multi Core

Intel Xeon W 2170B

8888

AMD EPYC 7643 +11%

9939

Intel Xeon W 2170B

VS

AMD EPYC 7643

General Parameters

Dec 2017

Release Date

Mar 2021

Intel

Manufacturer

AMD

Server

Type

Server

Skylake-W

Core Architecture

Milan

Intel Socket 2066

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon W (Skylake-W)

Generation

EPYC (Zen 3 (Milan))

Package

-

Transistor Count

33.2 billions

14 nm

Manufacturing Process

7 nm

140 W

Power Consumption

225 W

66 °C

Peak Operating Temperature

-

Intel

Foundry

TSMC

484 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.3 GHz

4.3 GHz

Performance Core Turbo Frequency

3.6 GHz

14

Total Core Count

48

28

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

512 KB per core

19.25 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

6

1

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

48

PCIe Lanes

128

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