Intel Xeon D 1521 vs Intel Xeon E5 1681 v3

VS

Intel Xeon D-1521

Intel Xeon E5-1681 v3

We compared two server CPUs: Intel Xeon D 1521 with 4 cores 2.4GHz and Intel Xeon E5 1681 v3 with 10 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

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)

Intel Xeon E5 1681 v3 's Advantages

Higher specification of memory (2133 vs 4)

Higher base frequency (2.9GHz vs 2.4GHz)

Larger L3 cache size (25MB vs 1.5MB)

Score

Intel Xeon D 1521

VS

Intel Xeon E5 1681 v3

General Parameters

Nov 2015

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Broadwell

Core Architecture

Haswell-EP

Intel BGA 1667

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon D (Broadwell-DE)

Generation

Xeon E5 (Haswell-EP)

Package

3.2 billions

Transistor Count

2.6 billions

14 nm

Manufacturing Process

22 nm

45 W

Power Consumption

135 W

80 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

246 mm²

Die Size

356 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.9 GHz

2.7 GHz

Performance Core Turbo Frequency

3.5 GHz

4

Total Core Count

10

8

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

29.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

1.5 MB per core

L3 Cache

25 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,DDR4

Memory Types

DDR4-2133

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

24

PCIe Lanes

40

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