Intel Xeon E3 1285 v6 vs Intel Xeon D 1521

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Intel Xeon E3-1285 v6

Intel Xeon D-1521

We compared two server CPUs: Intel Xeon E3 1285 v6 with 4 cores 4.1GHz 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 v6 's Advantages

Released 1 years and 9 months late

Higher base frequency (4.1GHz vs 2.4GHz)

Larger L3 cache size (8MB vs 1.5MB)

Intel Xeon D 1521 's Advantages

Higher specification of memory (4 vs 4)

Lower TDP (45W vs 79W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1285 v6 +93%

1737

Intel Xeon D 1521

896

Geekbench 6 Multi Core

Intel Xeon E3 1285 v6 +79%

5854

Intel Xeon D 1521

3261

Intel Xeon E3 1285 v6

VS

Intel Xeon D 1521

General Parameters

Aug 2017

Release Date

Nov 2015

Intel

Manufacturer

Intel

Server

Type

Server

Kaby Lake-DT

Core Architecture

Broadwell

Intel Socket 1151

Socket

Intel BGA 1667

HD Graphics P630

Integrated Graphics

N/A

Xeon E3 (Kaby Lake-DT)

Generation

Xeon D (Broadwell-DE)

Package

1.4 billions

Transistor Count

3.2 billions

14 nm

Manufacturing Process

14 nm

79 W

Power Consumption

45 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

160 mm²

Die Size

246 mm²

CPU Performance

4.1 GHz

Performance Core Base Frequency

2.4 GHz

4.5 GHz

Performance Core Turbo Frequency

2.7 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

41.0

Multiplier

24.0

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

1.5 MB per core

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR4

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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