Intel Xeon E3 1285 v4 vs Intel Xeon D 1521

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We compared two server CPUs: Intel Xeon E3 1285 v4 with 4 cores 3.5GHz 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 E3 1285 v4 's Advantages

Higher specification of memory (DDR3-1866 vs DDR3)

Higher base frequency (3.5GHz vs 2.4GHz)

Larger L3 cache size (6MB vs 1.5MB)

Intel Xeon D 1521 's Advantages

Lower TDP (45W vs 95W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1285 v4 +48%

1332

Intel Xeon D 1521

896

Geekbench 6 Multi Core

Intel Xeon E3 1285 v4 +38%

4509

Intel Xeon D 1521

3261

Intel Xeon E3 1285 v4

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Intel Xeon D 1521

General Parameters

Jun 2015

Release Date

Nov 2015

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

Intel Socket 1150

Socket

Intel BGA 1667

95 W

Power Consumption

45 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

182 mm²

Die Size

246 mm²

FC-LGA14C

Package

FC-BGA14C

CPU Performance

3.5 GHz

Performance Core Base Frequency

2.4 GHz

3.8 GHz

Performance Core Turbo Frequency

2.7 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

24.0

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,

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

24

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