Intel Xeon E5 2643 v3 vs Intel Xeon Gold 5420

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Intel Xeon E5 2643 v3 Intel Xeon Gold 5420

We compared two server CPUs: Intel Xeon E5 2643 v3 with 6 cores 3.4GHz and Intel Xeon Gold 5420 with 28 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2643 v3 's Advantages

Higher base frequency (3.4GHz vs 2GHz)

Lower TDP (135W vs 205W)

Intel Xeon Gold 5420 's Advantages

Released 8 years and 4 months late

Higher specification of memory (DDR5-4400 vs DDR4-2133)

Newer PCIe version (5 vs 3)

Larger L3 cache size (52.5MB vs 20MB)

More modern manufacturing process (10nm vs 22nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2643 v3

1188

Intel Xeon Gold 5420 +80%

2145

Geekbench 6 Multi Core

Intel Xeon E5 2643 v3

8391

Intel Xeon Gold 5420 +111%

17725

Intel Xeon E5 2643 v3

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Intel Xeon Gold 5420

General Parameters

Sep 2014

Release Date

Jan 2023

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Sapphire Rapids

Intel Socket 2011-3

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon Gold (Sapphire Rapids-SP)

Package

2.6 billions

Transistor Count

-

22 nm

Manufacturing Process

10 nm

Intel Socket 2011-3

Socket

Intel Socket 4677

135 W

Power Consumption

205 W

-

Peak Operating Temperature

84 °C

Intel

Foundry

Intel

356 mm²

Die Size

-

FC-LGA12A

Package

FC-LGA16A

CPU Performance

3.4 GHz

Performance Core Base Frequency

2 GHz

3.7 GHz

Performance Core Turbo Frequency

4.1 GHz

6

Total Core Count

28

12

Total Thread Count

56

100 MHz

Bus Frequency

100 MHz

34.0

Multiplier

20.0

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

2 MB per core

20 MB shared

L3 Cache

52.5 MB

No

Unlocked Multiplier

No

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-2133

Memory Types

DDR5-4400

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

5

40

PCIe Lanes

80

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