Intel Xeon D 1521 vs Intel Xeon W 2135

VS

Intel Xeon D-1521

Intel Xeon W-2135

We compared two server CPUs: Intel Xeon D 1521 with 4 cores 2.4GHz and Intel Xeon W 2135 with 6 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 140W)

Intel Xeon W 2135 's Advantages

Released 1 years and 9 months late

Higher specification of memory (2666 vs 4)

Higher base frequency (3.7GHz vs 2.4GHz)

Larger L3 cache size (8.25MB vs 1.5MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon D 1521

896

Intel Xeon W 2135 +50%

1349

Geekbench 6 Multi Core

Intel Xeon D 1521

3261

Intel Xeon W 2135 +106%

6728

Intel Xeon D 1521

VS

Intel Xeon W 2135

General Parameters

Nov 2015

Release Date

Aug 2017

Intel

Manufacturer

Intel

Server

Type

Server

Broadwell

Core Architecture

Skylake-W

Intel BGA 1667

Socket

Intel Socket 2066

N/A

Integrated Graphics

N/A

Xeon D (Broadwell-DE)

Generation

Xeon W (Skylake-W)

Package

3.2 billions

Transistor Count

-

14 nm

Manufacturing Process

14 nm

45 W

Power Consumption

140 W

80 °C

Peak Operating Temperature

64 °C

Intel

Foundry

Intel

246 mm²

Die Size

484 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

3.7 GHz

2.7 GHz

Performance Core Turbo Frequency

4.5 GHz

4

Total Core Count

6

8

Total Thread Count

12

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

1 MB per core

1.5 MB per core

L3 Cache

8.25 MB shared

No

Unlocked Multiplier

No

1

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR4-2666

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

24

PCIe Lanes

48

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