Xeon L5645 vs Xeon w7 2555X

VS

Intel Xeon L5645

Intel Xeon w7-2555X

We compared two server CPUs: Xeon L5645 with 6 cores 2.4GHz and Xeon w7 2555X with 14 cores 3.3GHz . 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 210W)

Xeon w7 2555X 's Advantages

Released 13 years and 6 months late

Higher specification of memory (4800 vs 1333)

Newer PCIe version (5 vs 2)

Higher base frequency (3.3GHz vs 2.4GHz)

Larger L3 cache size (33.75MB vs 12MB)

More modern manufacturing process (10nm vs 32nm)

Score

Xeon L5645

VS

Xeon w7 2555X

General Parameters

Feb 2011

Release Date

Aug 2024

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 W (Sapphire Rapids)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

10 nm

60 W

Power Consumption

210 W

Intel

Foundry

Intel

239 mm²

Die Size

-

CPU Performance

2.4 GHz

Performance Core Base Frequency

3.3 GHz

2.933 GHz

Performance Core Turbo Frequency

4.8 GHz

6

Total Core Count

14

12

Total Thread Count

28

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

33.0

64 KB per core

L1 Cache

80 KB per core

256 KB per core

L2 Cache

2 MB per core

12 MB shared

L3 Cache

33.75 MB

No

Unlocked Multiplier

Yes

2

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3-1333

Memory Types

DDR5-4800

-

Max Memory Size

2 TB

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

64

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