Intel Xeon E3 1275 v2 vs Pentium 1405 V2

VS

Intel Xeon E3-1275 v2

Intel Pentium 1405 V2

We compared two server CPUs: Intel Xeon E3 1275 v2 with 4 cores 3.5GHz and Pentium 1405 V2 with 2 cores 1.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 v2 's Advantages

Higher base frequency (3.5GHz vs 1.4GHz)

Larger L3 cache size (8MB vs 6MB)

Pentium 1405 V2 's Advantages

Released 1 years and 8 months late

Higher specification of memory (1333 vs 3)

Lower TDP (40W vs 77W)

Score

Intel Xeon E3 1275 v2

VS

Pentium 1405 V2

General Parameters

May 2012

Release Date

Jan 2014

Intel

Manufacturer

Intel

Server

Type

Server

Ivy Bridge

Core Architecture

Ivy Bridge-EN

Intel Socket 1155

Socket

Intel Socket 1356

Intel HD P4000

Integrated Graphics

N/A

Xeon E3 (Ivy Bridge)

Generation

Pentium (Ivy Bridge)

Package

1.4 billions

Transistor Count

1.008 billions

22 nm

Manufacturing Process

22 nm

77 W

Power Consumption

40 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

160 mm²

Die Size

133 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

1.4 GHz

3.9 GHz

Performance Core Turbo Frequency

0

4

Total Core Count

2

8

Total Thread Count

2

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

14.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3-1333

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

24

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