AMD EPYC 9645 vs Intel Xeon E3 1280 v5

VS

AMD EPYC 9645

Intel Xeon E3-1280 v5

We compared two server CPUs: AMD EPYC 9645 with 96 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 9645 's Advantages

Released 9 years late

Higher specification of memory (6000 vs 4)

Newer PCIe version (5 vs 3)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (3nm vs 14nm)

Intel Xeon E3 1280 v5 's Advantages

Higher base frequency (3.7GHz vs 2.3GHz)

Lower TDP (80W vs 320W)

Score

AMD EPYC 9645

VS

Intel Xeon E3 1280 v5

General Parameters

Oct 2024

Release Date

Oct 2015

AMD

Manufacturer

Intel

Server

Type

Server

Turin

Core Architecture

Skylake-DT

AMD Socket SP5

Socket

Intel Socket 1151

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

Xeon E3 (Skylake-DT)

Package

Transistor Count

1.75 billions

3 nm

Manufacturing Process

14 nm

320 W

Power Consumption

80 W

TSMC

Foundry

Intel

mm²

Die Size

122 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

96

Performance Cores

-

192

Performance Core Threads

-

2.3 GHz

Performance Core Base Frequency

3.7 GHz

Performance Core Turbo Frequency

4 GHz

96

Total Core Count

4

192

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

37.0

80 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

256 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR5-6000

Memory Types

DDR4

6 TB

Max Memory Size

-

12

Max Memory Channels

2

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9645

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

16

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