Intel Xeon Gold 6421N vs Intel Xeon D 1521

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Intel Xeon Gold 6421N

Intel Xeon D-1521

We compared two server CPUs: Intel Xeon Gold 6421N with 32 cores 1.8GHz and Intel Xeon D 1521 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 2 months late

Higher specification of memory (4400 vs 4)

Newer PCIe version (5 vs 3)

Larger L3 cache size (60MB vs 1.5MB)

More modern manufacturing process (10nm vs 14nm)

Intel Xeon D 1521 's Advantages

Higher base frequency (2.4GHz vs 1.8GHz)

Lower TDP (45W vs 185W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon Gold 6421N +134%

2104

Intel Xeon D 1521

896

Geekbench 6 Multi Core

Intel Xeon Gold 6421N +284%

12541

Intel Xeon D 1521

3261

Intel Xeon Gold 6421N

VS

Intel Xeon D 1521

General Parameters

Jan 2023

Release Date

Nov 2015

Intel

Manufacturer

Intel

Server

Type

Server

Sapphire Rapids

Core Architecture

Broadwell

Intel Socket 4677

Socket

Intel BGA 1667

N/A

Integrated Graphics

N/A

Xeon Gold (Sapphire Rapids-SP)

Generation

Xeon D (Broadwell-DE)

Package

-

Transistor Count

3.2 billions

10 nm

Manufacturing Process

14 nm

185 W

Power Consumption

45 W

85 °C

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

-

Die Size

246 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.4 GHz

3.6 GHz

Performance Core Turbo Frequency

2.7 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

1.5 MB per core

No

Unlocked Multiplier

No

1

SMP

1

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4400

Memory Types

DDR3,DDR4

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

80

PCIe Lanes

24

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