Xeon w7 2555X vs Intel Xeon E5 2666 v3

VS

Intel Xeon w7-2555X

Intel Xeon E5-2666 v3

We compared two server CPUs: Xeon w7 2555X with 14 cores 3.3GHz and Intel Xeon E5 2666 v3 with 10 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon w7 2555X 's Advantages

Released 9 years and 9 months late

Higher specification of memory (4800 vs 2133)

Newer PCIe version (5 vs 3)

Higher base frequency (3.3GHz vs 2.9GHz)

Larger L3 cache size (33.75MB vs 25MB)

More modern manufacturing process (10nm vs 22nm)

Intel Xeon E5 2666 v3 's Advantages

Lower TDP (135W vs 210W)

Score

Xeon w7 2555X

VS

Intel Xeon E5 2666 v3

General Parameters

Aug 2024

Release Date

Nov 2014

Intel

Manufacturer

Intel

Server

Type

Server

Sapphire Rapids

Core Architecture

Haswell-EP

Intel Socket 4677

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon W (Sapphire Rapids)

Generation

Xeon E5 (Haswell-EP)

Package

-

Transistor Count

2.6 billions

10 nm

Manufacturing Process

22 nm

210 W

Power Consumption

135 W

Intel

Foundry

Intel

-

Die Size

356 mm²

CPU Performance

3.3 GHz

Performance Core Base Frequency

2.9 GHz

4.8 GHz

Performance Core Turbo Frequency

3.5 GHz

14

Total Core Count

10

28

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

33.0

Multiplier

29.0

80 KB per core

L1 Cache

64 K per core

2 MB per core

L2 Cache

256 K per core

33.75 MB

L3 Cache

25 MB shared

Yes

Unlocked Multiplier

No

1

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4800

Memory Types

DDR4-2133,DDR3-2133

2 TB

Max Memory Size

-

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

64

PCIe Lanes

40

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