Intel Xeon D 1521 vs Intel Xeon E3 1280 v5

VS

We compared two server CPUs: Intel Xeon D 1521 with 4 cores 2.4GHz and Intel Xeon E3 1280 v5 with 4 cores 3.7GHz . 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

Lower TDP (45W vs 80W)

Intel Xeon E3 1280 v5 's Advantages

Higher specification of memory (DDR4 vs DDR3)

Higher base frequency (3.7GHz vs 2.4GHz)

Larger L3 cache size (8MB vs 1.5MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon D 1521

896

Intel Xeon E3 1280 v5 +50%

1348

Geekbench 6 Multi Core

Intel Xeon D 1521

3261

Intel Xeon E3 1280 v5 +39%

4533

Intel Xeon D 1521

VS

Intel Xeon E3 1280 v5

General Parameters

Nov 2015

Release Date

Oct 2015

Intel

Manufacturer

Intel

Server

Type

Server

Broadwell

Core Architecture

Skylake-DT

Intel BGA 1667

Socket

Intel Socket 1151

N/A

Integrated Graphics

N/A

Xeon D (Broadwell-DE)

Generation

Xeon E3 (Skylake-DT)

Package

3.2 billions

Transistor Count

1.75 billions

14 nm

Manufacturing Process

14 nm

Intel BGA 1667

Socket

Intel Socket 1151

45 W

Power Consumption

80 W

80 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

246 mm²

Die Size

122 mm²

FC-BGA14C

Package

FC-LGA14C

CPU Performance

2.4 GHz

Performance Core Base Frequency

3.7 GHz

2.7 GHz

Performance Core Turbo Frequency

4 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

37.0

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

8 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,

Memory Types

DDR4

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

24

PCIe Lanes

16

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