AMD EPYC 7643P vs Intel Xeon E3 1278L v4

VS

AMD EPYC 7643P

Intel Xeon E3-1278L v4

We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and Intel Xeon E3 1278L v4 with 4 cores 2GHz . 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 1600)

Newer PCIe version (4 vs 3)

Higher base frequency (2.3GHz vs 2GHz)

Larger L3 cache size (256MB vs 6MB)

More modern manufacturing process (7nm vs 14nm)

Intel Xeon E3 1278L v4 's Advantages

Lower TDP (47W vs 225W)

Score

AMD EPYC 7643P

VS

Intel Xeon E3 1278L v4

General Parameters

Sep 2023

Release Date

Jun 2015

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Broadwell-DT

AMD Socket SP3

Socket

Intel BGA 1364

N/A

Integrated Graphics

Intel Iris Pro P6300

EPYC (Zen 3 (Milan))

Generation

Xeon E3 (Broadwell-DT)

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

14 nm

225 W

Power Consumption

47 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

182 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

2 GHz

3.6 GHz

Performance Core Turbo Frequency

3.3 GHz

48

Total Core Count

4

96

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

20.0

64 KB per core

L1 Cache

64 KB per core

512 KB per core

L2 Cache

256 KB per core

256 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

1

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR3-1600

8

Max Memory Channels

2

-

Max Memory Bandwidth

25.6 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

Intel Xeon E3 1278L v4

4

PCIe Version

3

128

PCIe Lanes

-

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