Intel Xeon E5 2665 vs Intel Xeon E3 1284L v4

VS

Intel Xeon E5-2665

Intel Xeon E3-1284L v4

We compared two server CPUs: Intel Xeon E5 2665 with 8 cores 2.4GHz and Intel Xeon E3 1284L v4 with 4 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2665 's Advantages

Larger L3 cache size (20MB vs 6MB)

Intel Xeon E3 1284L v4 's Advantages

Released 3 years and 3 months late

Higher specification of memory (1866 vs 3)

Higher base frequency (2.9GHz vs 2.4GHz)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (47W vs 115W)

Score

Intel Xeon E5 2665

VS

Intel Xeon E3 1284L v4

General Parameters

Mar 2012

Release Date

Jun 2015

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Broadwell-DT

Intel Socket 2011

Socket

Intel Socket 1150

N/A

Integrated Graphics

Intel Iris Pro P6300

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon E3 (Broadwell-DT)

Package

2.27 billions

Transistor Count

-

32 nm

Manufacturing Process

14 nm

115 W

Power Consumption

47 W

Intel

Foundry

Intel

435 mm²

Die Size

182 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.9 GHz

3.1 GHz

Performance Core Turbo Frequency

3.8 GHz

8

Total Core Count

4

16

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

29.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

20 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3-1866

4

Max Memory Channels

2

-

Max Memory Bandwidth

29.8 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

Intel Xeon E3 1284L v4

3

PCIe Version

3

-

PCIe Lanes

16

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