Intel Xeon E5 2649 v3 vs Intel Xeon E3 1275 v3

VS

Intel Xeon E5-2649 v3

Intel Xeon E3-1275 v3

We compared two server CPUs: Intel Xeon E5 2649 v3 with 10 cores 2.3GHz and Intel Xeon E3 1275 v3 with 4 cores 3.5GHz . 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 1 years and 3 months late

Higher specification of memory (2133 vs 4)

Larger L3 cache size (25MB vs 8MB)

Intel Xeon E3 1275 v3 's Advantages

Higher base frequency (3.5GHz vs 2.3GHz)

Lower TDP (84W vs 105W)

Score

Intel Xeon E5 2649 v3

VS

Intel Xeon E3 1275 v3

General Parameters

Sep 2014

Release Date

Jun 2013

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Haswell-WS

Intel Socket 2011-3

Socket

Intel Socket 1150

N/A

Integrated Graphics

Intel HD P4600

Xeon E5 (Haswell-EP)

Generation

Xeon E3 (Haswell-WS)

Package

2.6 billions

Transistor Count

1.4 billions

22 nm

Manufacturing Process

22 nm

105 W

Power Consumption

84 W

Intel

Foundry

Intel

356 mm²

Die Size

160 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

3.5 GHz

3 GHz

Performance Core Turbo Frequency

3.9 GHz

10

Total Core Count

4

20

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

35.0

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

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR3,DDR4

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

-

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