Intel Xeon E3 1284L v4 vs Intel Xeon E5649

VS

Intel Xeon E3-1284L v4

Intel Xeon E5649

We compared two server CPUs: Intel Xeon E3 1284L v4 with 4 cores 2.9GHz and Intel Xeon E5649 with 6 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1284L v4 's Advantages

Released 4 years and 4 months late

Higher specification of memory (1866 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.9GHz vs 2.533GHz)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (47W vs 80W)

Intel Xeon E5649 's Advantages

Larger L3 cache size (12MB vs 6MB)

Score

Intel Xeon E3 1284L v4

VS

Intel Xeon E5649

General Parameters

Jun 2015

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Broadwell-DT

Core Architecture

Westmere-EP

Intel Socket 1150

Socket

Intel Socket 1366

Intel Iris Pro P6300

Integrated Graphics

N/A

Xeon E3 (Broadwell-DT)

Generation

Xeon (Westmere-EP)

Package

-

Transistor Count

1.17 billions

14 nm

Manufacturing Process

32 nm

47 W

Power Consumption

80 W

Intel

Foundry

Intel

182 mm²

Die Size

239 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.533 GHz

3.8 GHz

Performance Core Turbo Frequency

2.8 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

29.0

Multiplier

19.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

6 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3-1866

Memory Types

DDR3

2

Max Memory Channels

3

29.8 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

Intel Xeon E3 1284L v4

Official Website

-

3

PCIe Version

2

16

PCIe Lanes

-

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