Intel Xeon E5 2649 v3 vs Pentium 1405 V2

VS

Intel Xeon E5-2649 v3

Intel Pentium 1405 V2

We compared two server CPUs: Intel Xeon E5 2649 v3 with 10 cores 2.3GHz 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 E5 2649 v3 's Advantages

Released 8 months late

Higher specification of memory (2133 vs 1333)

Higher base frequency (2.3GHz vs 1.4GHz)

Larger L3 cache size (25MB vs 6MB)

Pentium 1405 V2 's Advantages

Lower TDP (40W vs 105W)

Score

Benchmark

Geekbench 5 Single Core

Intel Xeon E5 2649 v3 +129%

689

Pentium 1405 V2

300

Geekbench 5 Multi Core

Intel Xeon E5 2649 v3 +1670%

9774

Pentium 1405 V2

552

Intel Xeon E5 2649 v3

VS

Pentium 1405 V2

General Parameters

Sep 2014

Release Date

Jan 2014

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Ivy Bridge-EN

Intel Socket 2011-3

Socket

Intel Socket 1356

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Pentium (Ivy Bridge)

Package

2.6 billions

Transistor Count

1.008 billions

22 nm

Manufacturing Process

22 nm

105 W

Power Consumption

40 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

356 mm²

Die Size

133 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

1.4 GHz

3 GHz

Performance Core Turbo Frequency

0

10

Total Core Count

2

20

Total Thread Count

2

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

14.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

25 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR3-1333

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

24

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