Pentium 1405 V2 vs Intel Xeon E5 2643 v3

VS

Intel Pentium 1405 V2

Intel Xeon E5-2643 v3

We compared two server CPUs: Pentium 1405 V2 with 2 cores 1.4GHz and Intel Xeon E5 2643 v3 with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Pentium 1405 V2 's Advantages

Lower TDP (40W vs 135W)

Intel Xeon E5 2643 v3 's Advantages

Released 8 months late

Higher specification of memory (2133 vs 1333)

Higher base frequency (3.4GHz vs 1.4GHz)

Larger L3 cache size (20MB vs 6MB)

Score

Pentium 1405 V2

VS

Intel Xeon E5 2643 v3

General Parameters

Jan 2014

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Ivy Bridge-EN

Core Architecture

Haswell-EP

Intel Socket 1356

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Pentium (Ivy Bridge)

Generation

Xeon E5 (Haswell-EP)

Package

1.008 billions

Transistor Count

2.6 billions

22 nm

Manufacturing Process

22 nm

40 W

Power Consumption

135 W

80 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

133 mm²

Die Size

356 mm²

CPU Performance

1.4 GHz

Performance Core Base Frequency

3.4 GHz

0

Performance Core Turbo Frequency

3.7 GHz

2

Total Core Count

6

2

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

14.0

Multiplier

34.0

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

20 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR4-2133

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

24

PCIe Lanes

40

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