Xeon L5645 vs Intel Xeon D 1520

VS

Intel Xeon L5645

Intel Xeon D-1520

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

Main Differences

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)

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)

Score

Xeon L5645

VS

Intel Xeon D 1520

General Parameters

Feb 2011

Release Date

Mar 2015

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Broadwell

Intel Socket 1366

Socket

Intel BGA 1667

N/A

Integrated Graphics

N/A

Xeon(Westmere-EP)

Generation

Xeon D (Broadwell-DE)

Package

1.17 billions

Transistor Count

3.2 billions

32 nm

Manufacturing Process

14 nm

60 W

Power Consumption

45 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

239 mm²

Die Size

246 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.2 GHz

2.933 GHz

Performance Core Turbo Frequency

2.6 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

22.0

64 KB per core

L1 Cache

64 K per core

256 KB per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3,DDR4

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

24

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