Intel Xeon W 2125 vs Intel Xeon Gold 6421N

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We compared two server CPUs: Intel Xeon W 2125 with 4 cores 4GHz and Intel Xeon Gold 6421N with 32 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon W 2125 's Advantages

Higher base frequency (4GHz vs 1.8GHz)

Lower TDP (120W vs 185W)

Intel Xeon Gold 6421N 's Advantages

Released 5 years and 5 months late

Higher specification of memory (DDR5-4400 vs DDR4-2666)

Newer PCIe version (5 vs 3)

Larger L3 cache size (60MB vs 8.25MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon W 2125

1397

Intel Xeon Gold 6421N +50%

2104

Geekbench 6 Multi Core

Intel Xeon W 2125

5040

Intel Xeon Gold 6421N +148%

12541

Intel Xeon W 2125

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Intel Xeon Gold 6421N

General Parameters

Aug 2017

Release Date

Jan 2023

Intel

Manufacturer

Intel

Server

Type

Server

Skylake-W

Core Architecture

Sapphire Rapids

Intel Socket 2066

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

Xeon W (Skylake-W)

Generation

Xeon Gold (Sapphire Rapids-SP)

Package

14 nm

Manufacturing Process

10 nm

Intel Socket 2066

Socket

Intel Socket 4677

120 W

Power Consumption

185 W

64 °C

Peak Operating Temperature

85 °C

Intel

Foundry

Intel

484 mm²

Die Size

-

FC-LGA2066

Package

FC-LGA16A

CPU Performance

4 GHz

Performance Core Base Frequency

1.8 GHz

4.5 GHz

Performance Core Turbo Frequency

3.6 GHz

4

Total Core Count

32

8

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

40.0

Multiplier

18.0

64 K per core

L1 Cache

80 K per core

1 MB per core

L2 Cache

2 MB per core

8.25 MB shared

L3 Cache

60 MB

No

Unlocked Multiplier

No

1

SMP

1

2

AVX-512 FMA Ports

2

Memory Parameters

DDR4-2666

Memory Types

DDR5-4400

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

5

48

PCIe Lanes

80

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