AMD EPYC 7643P vs Intel Xeon E3 1280 v5

VS

AMD EPYC 7643P

Intel Xeon E3-1280 v5

We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and Intel Xeon E3 1280 v5 with 4 cores 3.7GHz . 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 7 years and 11 months late

Higher specification of memory (3200 vs 4)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (7nm vs 14nm)

Intel Xeon E3 1280 v5 's Advantages

Higher base frequency (3.7GHz vs 2.3GHz)

Lower TDP (80W vs 225W)

Score

AMD EPYC 7643P

VS

Intel Xeon E3 1280 v5

General Parameters

Sep 2023

Release Date

Oct 2015

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Skylake-DT

AMD Socket SP3

Socket

Intel Socket 1151

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon E3 (Skylake-DT)

Package

33.2 billions

Transistor Count

1.75 billions

7 nm

Manufacturing Process

14 nm

225 W

Power Consumption

80 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

122 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

3.7 GHz

3.6 GHz

Performance Core Turbo Frequency

4 GHz

48

Total Core Count

4

96

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

37.0

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

8 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

1

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR4

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

16

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