AMD EPYC 9755 vs Xeon L5645

VS

AMD EPYC 9755

Intel Xeon L5645

We compared two server CPUs: AMD EPYC 9755 with 128 cores 2.7GHz and Xeon L5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9755 's Advantages

Released 13 years and 8 months late

Higher specification of memory (6000 vs 1333)

Newer PCIe version (5 vs 2)

Higher base frequency (2.7GHz vs 2.4GHz)

Larger L3 cache size (512MB vs 12MB)

More modern manufacturing process (4nm vs 32nm)

Xeon L5645 's Advantages

Lower TDP (60W vs 500W)

Score

AMD EPYC 9755

VS

Xeon L5645

General Parameters

Oct 2024

Release Date

Feb 2011

AMD

Manufacturer

Intel

Server

Type

Server

Turin

Core Architecture

Westmere-EP

AMD Socket SP5

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

Xeon(Westmere-EP)

Package

133.04 billions

Transistor Count

1.17 billions

4 nm

Manufacturing Process

32 nm

500 W

Power Consumption

60 W

TSMC

Foundry

Intel

16x70.6 mm²

Die Size

239 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

128

Performance Cores

-

256

Performance Core Threads

-

2.7 GHz

Performance Core Base Frequency

2.4 GHz

4.1 GHz

Performance Core Turbo Frequency

2.933 GHz

128

Total Core Count

6

256

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

27.0

Multiplier

18.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

256 KB per core

512 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR3-1333

6 TB

Max Memory Size

-

12

Max Memory Channels

3

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9755

Official Website

-

5

PCIe Version

2

128

PCIe Lanes

-

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