Intel Xeon E3 1265L v4 vs Intel Xeon D 1581

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Intel Xeon E3-1265L v4

Intel Xeon D-1581

We compared two server CPUs: Intel Xeon E3 1265L v4 with 4 cores 2.3GHz and Intel Xeon D 1581 with 16 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1265L v4 's Advantages

Higher specification of memory (1866 vs 4)

Higher base frequency (2.3GHz vs 1.8GHz)

Larger L3 cache size (6MB vs 1.5MB)

Lower TDP (35W vs 65W)

Intel Xeon D 1581 's Advantages

Released 8 months late

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1265L v4 +80%

1243

Intel Xeon D 1581

690

Geekbench 6 Multi Core

Intel Xeon E3 1265L v4

4328

Intel Xeon D 1581 +16%

5058

Intel Xeon E3 1265L v4

VS

Intel Xeon D 1581

General Parameters

Jun 2015

Release Date

Feb 2016

Intel

Manufacturer

Intel

Server

Type

Server

Broadwell-DT

Core Architecture

Broadwell

Intel Socket 1150

Socket

Intel BGA 1667

Intel Iris Pro P6300

Integrated Graphics

N/A

Xeon E3 (Broadwell-DT)

Generation

Xeon D (Broadwell-DE)

Package

-

Transistor Count

3.2 billions

14 nm

Manufacturing Process

14 nm

35 W

Power Consumption

65 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

182 mm²

Die Size

246 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

1.8 GHz

3.3 GHz

Performance Core Turbo Frequency

2.4 GHz

4

Total Core Count

16

8

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

18.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

6 MB shared

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3-1866

Memory Types

DDR3,DDR4

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

24

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