Xeon L5645 vs AMD EPYC 7443

VS

Intel Xeon L5645

AMD EPYC 7443

We compared two server CPUs: Xeon L5645 with 6 cores 2.4GHz and AMD EPYC 7443 with 24 cores 2.85GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5645 's Advantages

Lower TDP (60W vs 200W)

AMD EPYC 7443 's Advantages

Released 10 years and 1 months late

Higher specification of memory (3200 vs 1333)

Newer PCIe version (4 vs 2)

Higher base frequency (2.85GHz vs 2.4GHz)

Larger L3 cache size (128MB vs 12MB)

More modern manufacturing process (7nm vs 32nm)

Score

Xeon L5645

VS

AMD EPYC 7443

General Parameters

Feb 2011

Release Date

Mar 2021

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Milan

Intel Socket 1366

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon(Westmere-EP)

Generation

EPYC (Zen 3 (Milan))

Package

1.17 billions

Transistor Count

16.6 billions

32 nm

Manufacturing Process

7 nm

60 W

Power Consumption

200 W

Intel

Foundry

TSMC

239 mm²

Die Size

4x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.85 GHz

2.933 GHz

Performance Core Turbo Frequency

4 GHz

6

Total Core Count

24

12

Total Thread Count

48

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

28.5

64 KB per core

L1 Cache

64 KB per core

256 KB per core

L2 Cache

512 KB per core

12 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

6

2

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR4-3200

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

4

-

PCIe Lanes

128

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