Xeon L5645 vs Intel Xeon E3 1283L v4

VS

Intel Xeon L5645

Intel Xeon E3-1283L v4

We compared two server CPUs: Xeon L5645 with 6 cores 2.4GHz and Intel Xeon E3 1283L v4 with 4 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5645 's Advantages

Larger L3 cache size (12MB vs 6MB)

Intel Xeon E3 1283L v4 's Advantages

Released 4 years and 4 months late

Higher specification of memory (1866 vs 1333)

Newer PCIe version (3 vs 2)

Higher base frequency (2.9GHz vs 2.4GHz)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (47W vs 60W)

Score

Xeon L5645

VS

Intel Xeon E3 1283L v4

General Parameters

Feb 2011

Release Date

Jun 2015

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Broadwell-DT

Intel Socket 1366

Socket

Intel Socket 1150

N/A

Integrated Graphics

Intel Iris Pro P6300

Xeon(Westmere-EP)

Generation

Xeon E3 (Broadwell-DT)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

14 nm

60 W

Power Consumption

47 W

Intel

Foundry

Intel

239 mm²

Die Size

182 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.9 GHz

2.933 GHz

Performance Core Turbo Frequency

3.8 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

29.0

64 KB per core

L1 Cache

64 KB per core

256 KB per core

L2 Cache

256 KB per core

12 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3-1866

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

16

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