Intel Xeon E5 2643 vs Intel Xeon E3 1285L v4

VS

Intel Xeon E5-2643

Intel Xeon E3-1285L v4

We compared two server CPUs: Intel Xeon E5 2643 with 4 cores 3.3GHz and Intel Xeon E3 1285L v4 with 4 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2643 's Advantages

Larger L3 cache size (10MB vs 6MB)

Intel Xeon E3 1285L v4 's Advantages

Released 3 years and 3 months late

Higher specification of memory (1866 vs 3)

Higher base frequency (3.4GHz vs 3.3GHz)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (65W vs 130W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2643

1143

Intel Xeon E3 1285L v4 +10%

1264

Geekbench 6 Multi Core

Intel Xeon E5 2643 +8%

4836

Intel Xeon E3 1285L v4

4461

Intel Xeon E5 2643

VS

Intel Xeon E3 1285L 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

1.27 billions

Transistor Count

1.4 billions

32 nm

Manufacturing Process

14 nm

130 W

Power Consumption

65 W

Intel

Foundry

Intel

294 mm²

Die Size

160 mm²

CPU Performance

3.3 GHz

Performance Core Base Frequency

3.4 GHz

3.5 GHz

Performance Core Turbo Frequency

3.8 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

33.0

Multiplier

34.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

10 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 1285L v4

3

PCIe Version

3

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