Intel Xeon E5 1691 v3 vs Intel Xeon D 1521

VS

Intel Xeon E5-1691 v3

Intel Xeon D-1521

We compared two server CPUs: Intel Xeon E5 1691 v3 with 14 cores 2.5GHz and Intel Xeon D 1521 with 4 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 1691 v3 's Advantages

Higher specification of memory (2133 vs 4)

Higher base frequency (2.5GHz vs 2.4GHz)

Larger L3 cache size (35MB vs 1.5MB)

Intel Xeon D 1521 's Advantages

Released 1 years and 2 months late

More modern manufacturing process (14nm vs 22nm)

Lower TDP (45W vs 135W)

Score

Intel Xeon E5 1691 v3

VS

Intel Xeon D 1521

General Parameters

Sep 2014

Release Date

Nov 2015

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Broadwell

Intel Socket 2011-3

Socket

Intel BGA 1667

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon D (Broadwell-DE)

Package

2.6 billions

Transistor Count

3.2 billions

22 nm

Manufacturing Process

14 nm

135 W

Power Consumption

45 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

356 mm²

Die Size

246 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.4 GHz

3.4 GHz

Performance Core Turbo Frequency

2.7 GHz

14

Total Core Count

4

28

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

24.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

35 MB shared

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR4-2133

Memory Types

DDR3,DDR4

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

24

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