Intel Xeon Gold 6421N vs Xeon L5645

VS

Intel Xeon Gold 6421N

Intel Xeon L5645

We compared two server CPUs: Intel Xeon Gold 6421N with 32 cores 1.8GHz and Xeon L5645 with 6 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 11 years and 11 months late

Higher specification of memory (4400 vs 1333)

Newer PCIe version (5 vs 2)

Larger L3 cache size (60MB vs 12MB)

More modern manufacturing process (10nm vs 32nm)

Xeon L5645 's Advantages

Higher base frequency (2.4GHz vs 1.8GHz)

Lower TDP (60W vs 185W)

Score

Intel Xeon Gold 6421N

VS

Xeon L5645

General Parameters

Jan 2023

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Sapphire Rapids

Core Architecture

Westmere-EP

Intel Socket 4677

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon Gold (Sapphire Rapids-SP)

Generation

Xeon(Westmere-EP)

Package

-

Transistor Count

1.17 billions

10 nm

Manufacturing Process

32 nm

185 W

Power Consumption

60 W

85 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

-

Die Size

239 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.4 GHz

3.6 GHz

Performance Core Turbo Frequency

2.933 GHz

32

Total Core Count

6

64

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

18.0

Multiplier

18.0

80 K per core

L1 Cache

64 KB per core

2 MB per core

L2 Cache

256 KB per core

60 MB

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4400

Memory Types

DDR3-1333

8

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

2

80

PCIe Lanes

-

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