Intel Xeon E5603 vs Intel Xeon Gold 6421N

VS

Intel Xeon E5603

Intel Xeon Gold 6421N

We compared two server CPUs: Intel Xeon E5603 with 4 cores 1.6GHz 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 E5603 's Advantages

Lower TDP (80W vs 185W)

Intel Xeon Gold 6421N 's Advantages

Released 11 years and 11 months late

Higher specification of memory (4400 vs 3)

Newer PCIe version (5 vs 2)

Higher base frequency (1.8GHz vs 1.6GHz)

Larger L3 cache size (60MB vs 4MB)

More modern manufacturing process (10nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5603

201

Intel Xeon Gold 6421N +946%

2104

Geekbench 6 Multi Core

Intel Xeon E5603

586

Intel Xeon Gold 6421N +2040%

12541

Geekbench 5 Single Core

Intel Xeon E5603

292

Intel Xeon Gold 6421N +190%

848

Geekbench 5 Multi Core

Intel Xeon E5603

1733

Intel Xeon Gold 6421N +442%

9394

Intel Xeon E5603

VS

Intel Xeon Gold 6421N

General Parameters

Feb 2011

Release Date

Jan 2023

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Sapphire Rapids

Intel Socket 1366

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon Gold (Sapphire Rapids-SP)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

10 nm

80 W

Power Consumption

185 W

-

Peak Operating Temperature

85 °C

Intel

Foundry

Intel

239 mm²

Die Size

-

CPU Performance

1.6 GHz

Performance Core Base Frequency

1.8 GHz

0

Performance Core Turbo Frequency

3.6 GHz

4

Total Core Count

32

4

Total Thread Count

64

133 MHz

Bus Frequency

100 MHz

12.0

Multiplier

18.0

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

2 MB per core

4 MB shared

L3 Cache

60 MB

No

Unlocked Multiplier

No

2

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3

Memory Types

DDR5-4400

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

80

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