Pentium 1405 V2 vs Xeon E7520

VS

Intel Pentium 1405 V2

Intel Xeon E7520

We compared two server CPUs: Pentium 1405 V2 with 2 cores 1.4GHz and Xeon E7520 with 4 cores 1.866GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Pentium 1405 V2 's Advantages

Released 3 years and 10 months late

Newer PCIe version (3 vs 2)

More modern manufacturing process (22nm vs 45nm)

Lower TDP (40W vs 95W)

Xeon E7520 's Advantages

Higher base frequency (1.866GHz vs 1.4GHz)

Larger L3 cache size (18MB vs 6MB)

Score

Pentium 1405 V2

VS

Xeon E7520

General Parameters

Jan 2014

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Ivy Bridge-EN

Core Architecture

Nehalem-EX

Intel Socket 1356

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Pentium (Ivy Bridge)

Generation

Xeon(Beckton)

Package

1.008 billions

Transistor Count

2.3 billions

22 nm

Manufacturing Process

45 nm

40 W

Power Consumption

95 W

80 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

133 mm²

Die Size

684 mm²

CPU Performance

1.4 GHz

Performance Core Base Frequency

1.866 GHz

0

Performance Core Turbo Frequency

0

2

Total Core Count

4

2

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

14.0

Multiplier

14.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

6 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

1

SMP

8

Memory Parameters

DDR3-1333

Memory Types

DDR3-1333

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

24

PCIe Lanes

-

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