Intel Xeon D 1521 vs Intel Xeon E3 1265L v3

VS

Intel Xeon D-1521

Intel Xeon E3-1265L v3

We compared two server CPUs: Intel Xeon D 1521 with 4 cores 2.4GHz and Intel Xeon E3 1265L v3 with 4 cores 2.5GHz . 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 2 years and 5 months late

More modern manufacturing process (14nm vs 22nm)

Intel Xeon E3 1265L v3 's Advantages

Higher base frequency (2.5GHz 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 1265L v3 +36%

1223

Geekbench 6 Multi Core

Intel Xeon D 1521 +166%

3261

Intel Xeon E3 1265L v3

1224

Intel Xeon D 1521

VS

Intel Xeon E3 1265L v3

General Parameters

Nov 2015

Release Date

Jun 2013

Intel

Manufacturer

Intel

Server

Type

Server

Broadwell

Core Architecture

Haswell-WS

Intel BGA 1667

Socket

Intel Socket 1150

N/A

Integrated Graphics

Intel HD (Haswell)

Xeon D (Broadwell-DE)

Generation

Xeon E3 (Haswell-WS)

Package

3.2 billions

Transistor Count

1.4 billions

14 nm

Manufacturing Process

22 nm

45 W

Power Consumption

45 W

80 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

246 mm²

Die Size

160 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.5 GHz

2.7 GHz

Performance Core Turbo Frequency

3.7 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

25.0

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,DDR4

Memory Types

DDR3,DDR4

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

24

PCIe Lanes

-

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