Intel Xeon E3 1265L v3 vs Intel Xeon E5 2649 v3

VS

Intel Xeon E3-1265L v3

Intel Xeon E5-2649 v3

We compared two server CPUs: Intel Xeon E3 1265L v3 with 4 cores 2.5GHz and Intel Xeon E5 2649 v3 with 10 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1265L v3 's Advantages

Higher base frequency (2.5GHz vs 2.3GHz)

Lower TDP (45W vs 105W)

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)

Score

Intel Xeon E3 1265L v3

VS

Intel Xeon E5 2649 v3

General Parameters

Jun 2013

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Haswell-EP

Intel Socket 1150

Socket

Intel Socket 2011-3

Intel HD (Haswell)

Integrated Graphics

N/A

Xeon E3 (Haswell-WS)

Generation

Xeon E5 (Haswell-EP)

Package

1.4 billions

Transistor Count

2.6 billions

22 nm

Manufacturing Process

22 nm

45 W

Power Consumption

105 W

Intel

Foundry

Intel

160 mm²

Die Size

356 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.3 GHz

3.7 GHz

Performance Core Turbo Frequency

3 GHz

4

Total Core Count

10

8

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

23.0

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

25 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR3,DDR4-2133

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

-

PCIe Lanes

40

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