Xeon L5645 vs Intel Xeon Gold 6438M

VS

Intel Xeon L5645

Intel Xeon Gold 6438M

We compared two server CPUs: Xeon L5645 with 6 cores 2.4GHz and Intel Xeon Gold 6438M with 32 cores 2.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5645 's Advantages

Higher base frequency (2.4GHz vs 2.2GHz)

Lower TDP (60W vs 205W)

Intel Xeon Gold 6438M 's Advantages

Released 11 years and 11 months late

Higher specification of memory (4800 vs 1333)

Newer PCIe version (5 vs 2)

Larger L3 cache size (60MB vs 12MB)

More modern manufacturing process (10nm vs 32nm)

Score

Xeon L5645

VS

Intel Xeon Gold 6438M

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

60 W

Power Consumption

205 W

-

Peak Operating Temperature

85 °C

Intel

Foundry

Intel

239 mm²

Die Size

-

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.2 GHz

2.933 GHz

Performance Core Turbo Frequency

3.9 GHz

6

Total Core Count

32

12

Total Thread Count

64

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

22.0

64 KB per core

L1 Cache

80 K per core

256 KB per core

L2 Cache

2 MB per core

12 MB shared

L3 Cache

60 MB

No

Unlocked Multiplier

No

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3-1333

Memory Types

DDR5-4800

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

80

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