Intel Xeon D 1520 vs Xeon L5645

VS

Intel Xeon D-1520

Intel Xeon L5645

We compared two server CPUs: Intel Xeon D 1520 with 4 cores 2.2GHz and Xeon L5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon D 1520 's Advantages

Released 4 years and 1 months late

Newer PCIe version (3 vs 2)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (45W vs 60W)

Xeon L5645 's Advantages

Higher specification of memory (1333 vs 4)

Higher base frequency (2.4GHz vs 2.2GHz)

Larger L3 cache size (12MB vs 1.5MB)

Score

Intel Xeon D 1520

VS

Xeon L5645

General Parameters

Mar 2015

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Broadwell

Core Architecture

Westmere-EP

Intel BGA 1667

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon D (Broadwell-DE)

Generation

Xeon(Westmere-EP)

Package

3.2 billions

Transistor Count

1.17 billions

14 nm

Manufacturing Process

32 nm

45 W

Power Consumption

60 W

80 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

246 mm²

Die Size

239 mm²

CPU Performance

2.2 GHz

Performance Core Base Frequency

2.4 GHz

2.6 GHz

Performance Core Turbo Frequency

2.933 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

22.0

Multiplier

18.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

1.5 MB per core

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR3-1333

2

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

24

PCIe Lanes

-

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