Intel Xeon E5649 vs Pentium 1405 V2

VS

Intel Xeon E5649

Intel Pentium 1405 V2

We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz 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 E5649 's Advantages

Higher base frequency (2.533GHz vs 1.4GHz)

Larger L3 cache size (12MB vs 6MB)

Pentium 1405 V2 's Advantages

Released 2 years and 11 months late

Higher specification of memory (1333 vs 3)

Newer PCIe version (3 vs 2)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (40W vs 80W)

Score

Intel Xeon E5649

VS

Pentium 1405 V2

General Parameters

Feb 2011

Release Date

Jan 2014

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Ivy Bridge-EN

Intel Socket 1366

Socket

Intel Socket 1356

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Pentium (Ivy Bridge)

Package

1.17 billions

Transistor Count

1.008 billions

32 nm

Manufacturing Process

22 nm

80 W

Power Consumption

40 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

239 mm²

Die Size

133 mm²

CPU Performance

2.533 GHz

Performance Core Base Frequency

1.4 GHz

2.8 GHz

Performance Core Turbo Frequency

0

6

Total Core Count

2

12

Total Thread Count

2

133 MHz

Bus Frequency

100 MHz

19.0

Multiplier

14.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3-1333

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

24

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