Intel Xeon E3 1270 v5 vs AMD EPYC 7643P

VS

Intel Xeon E3-1270 v5

AMD EPYC 7643P

We compared two server CPUs: Intel Xeon E3 1270 v5 with 4 cores 3.6GHz and AMD EPYC 7643P 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 E3 1270 v5 's Advantages

Higher base frequency (3.6GHz vs 2.3GHz)

Lower TDP (80W vs 225W)

AMD EPYC 7643P 's Advantages

Released 7 years and 11 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 8MB)

More modern manufacturing process (7nm vs 14nm)

Score

Intel Xeon E3 1270 v5

VS

AMD EPYC 7643P

General Parameters

Oct 2015

Release Date

Sep 2023

Intel

Manufacturer

AMD

Server

Type

Server

Skylake-DT

Core Architecture

Milan

Intel Socket 1151

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon E3 (Skylake-DT)

Generation

EPYC (Zen 3 (Milan))

Package

1.75 billions

Transistor Count

33.2 billions

14 nm

Manufacturing Process

7 nm

80 W

Power Consumption

225 W

Intel

Foundry

TSMC

122 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

3.6 GHz

Performance Core Base Frequency

2.3 GHz

4 GHz

Performance Core Turbo Frequency

3.6 GHz

4

Total Core Count

48

8

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

36.0

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

8 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

8

1

SMP

1

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR4-3200

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

16

PCIe Lanes

128

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