Intel Xeon E5 2666 v3 vs Xeon W 1390

VS

Intel Xeon E5-2666 v3

Intel Xeon W-1390

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Xeon W 1390 with 8 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2666 v3 's Advantages

Higher base frequency (2.9GHz vs 2.8GHz)

Larger L3 cache size (25MB vs 16MB)

Xeon W 1390 's Advantages

Released 6 years and 6 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (80W vs 135W)

Score

Intel Xeon E5 2666 v3

VS

Xeon W 1390

General Parameters

Nov 2014

Release Date

May 2021

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Rocket Lake-S

Intel Socket 2011-3

Socket

Intel Socket 1200

N/A

Integrated Graphics

UHD Graphics P750

Xeon E5 (Haswell-EP)

Generation

Xeon W (Rocket Lake-S)

Package

2.6 billions

Transistor Count

-

22 nm

Manufacturing Process

14 nm

135 W

Power Consumption

80 W

Intel

Foundry

Intel

356 mm²

Die Size

276 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.8 GHz

3.5 GHz

Performance Core Turbo Frequency

5.2 GHz

10

Total Core Count

8

20

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

28.0

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

512 KB per core

25 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR4-3200

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

40

PCIe Lanes

20

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