Intel Xeon Gold 6421N vs Intel Xeon E3 1268L v5

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Intel Xeon Gold 6421N Intel Xeon E3 1268L v5

We compared two server CPUs: Intel Xeon Gold 6421N with 32 cores 1.8GHz and Intel Xeon E3 1268L v5 with 4 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Gold 6421N 's Advantages

Released 7 years and 3 months late

Higher specification of memory (DDR5-4400 vs DDR3)

Newer PCIe version (5 vs 3)

Larger L3 cache size (60MB vs 8MB)

More modern manufacturing process (10nm vs 14nm)

Intel Xeon E3 1268L v5 's Advantages

Higher base frequency (2.4GHz vs 1.8GHz)

Lower TDP (35W vs 185W)

Score

Benchmark

Geekbench 5 Single Core

Intel Xeon Gold 6421N +20%

848

Intel Xeon E3 1268L v5

701

Geekbench 5 Multi Core

Intel Xeon Gold 6421N +242%

9394

Intel Xeon E3 1268L v5

2739

Intel Xeon Gold 6421N

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Intel Xeon E3 1268L v5

General Parameters

Jan 2023

Release Date

Oct 2015

Intel

Manufacturer

Intel

Server

Type

Server

Sapphire Rapids

Core Architecture

Skylake-DT

Intel Socket 4677

Socket

Intel Socket 1151

N/A

Integrated Graphics

HD Graphics P530

Xeon Gold (Sapphire Rapids-SP)

Generation

Xeon E3 (Skylake-DT)

Package

-

Transistor Count

1.75 billions

10 nm

Manufacturing Process

14 nm

Intel Socket 4677

Socket

Intel Socket 1151

185 W

Power Consumption

35 W

85 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

-

Die Size

122 mm²

FC-LGA16A

Package

FC-LGA14C

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.4 GHz

3.6 GHz

Performance Core Turbo Frequency

3.4 GHz

32

Total Core Count

4

64

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

24.0

80 K per core

L1 Cache

64 K per core

2 MB per core

L2 Cache

256 K per core

60 MB

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

1

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4400

Memory Types

DDR3,

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

80

PCIe Lanes

16

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