Intel Xeon Gold 6421N vs Intel Xeon E5 1681 v3

VS

Intel Xeon Gold 6421N

Intel Xeon E5-1681 v3

We compared two server CPUs: Intel Xeon Gold 6421N with 32 cores 1.8GHz and Intel Xeon E5 1681 v3 with 10 cores 2.9GHz . 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 8 years and 4 months late

Higher specification of memory (4400 vs 2133)

Newer PCIe version (5 vs 3)

Larger L3 cache size (60MB vs 25MB)

More modern manufacturing process (10nm vs 22nm)

Intel Xeon E5 1681 v3 's Advantages

Higher base frequency (2.9GHz vs 1.8GHz)

Lower TDP (135W vs 185W)

Score

Intel Xeon Gold 6421N

VS

Intel Xeon E5 1681 v3

General Parameters

Jan 2023

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Sapphire Rapids

Core Architecture

Haswell-EP

Intel Socket 4677

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon Gold (Sapphire Rapids-SP)

Generation

Xeon E5 (Haswell-EP)

Package

-

Transistor Count

2.6 billions

10 nm

Manufacturing Process

22 nm

185 W

Power Consumption

135 W

85 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

-

Die Size

356 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.9 GHz

3.6 GHz

Performance Core Turbo Frequency

3.5 GHz

32

Total Core Count

10

64

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

29.0

80 K per core

L1 Cache

64 K per core

2 MB per core

L2 Cache

256 K per core

60 MB

L3 Cache

25 MB shared

No

Unlocked Multiplier

No

1

SMP

1

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4400

Memory Types

DDR4-2133

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

80

PCIe Lanes

40

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