AMD EPYC 7643P vs Intel Xeon E7 8870 v3

VS

AMD EPYC 7643P

Intel Xeon E7-8870 v3

We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and Intel Xeon E7 8870 v3 with 18 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643P 's Advantages

Released 8 years and 3 months late

Higher specification of memory (3200 vs 1866)

Newer PCIe version (4 vs 3)

Higher base frequency (2.3GHz vs 2.1GHz)

Larger L3 cache size (256MB vs 45MB)

More modern manufacturing process (7nm vs 22nm)

Intel Xeon E7 8870 v3 's Advantages

Lower TDP (140W vs 225W)

Score

AMD EPYC 7643P

VS

Intel Xeon E7 8870 v3

General Parameters

Sep 2023

Release Date

Jun 2015

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Haswell-EX

AMD Socket SP3

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon E7 (Haswell-EX)

Package

33.2 billions

Transistor Count

1.4 billions

7 nm

Manufacturing Process

22 nm

225 W

Power Consumption

140 W

-

Peak Operating Temperature

75 °C

TSMC

Foundry

Intel

8x81 mm²

Die Size

160 mm²

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

2.9 GHz

48

Total Core Count

18

96

Total Thread Count

36

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

21.0

64 KB per core

L1 Cache

64 K per core

512 KB per core

L2 Cache

256 K per core

256 MB shared

L3 Cache

45 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

1

SMP

8

Memory Parameters

DDR4-3200

Memory Types

DDR3,DDR4-1866

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

32

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