Intel Xeon E3 1270 v3 vs Xeon L5645

VS

Intel Xeon E3-1270 v3

Intel Xeon L5645

We compared two server CPUs: Intel Xeon E3 1270 v3 with 4 cores 3.5GHz 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 E3 1270 v3 's Advantages

Released 2 years and 4 months late

Newer PCIe version (3 vs 2)

Higher base frequency (3.5GHz vs 2.4GHz)

More modern manufacturing process (22nm vs 32nm)

Xeon L5645 's Advantages

Higher specification of memory (1333 vs 4)

Larger L3 cache size (12MB vs 8MB)

Lower TDP (60W vs 80W)

Score

Intel Xeon E3 1270 v3

VS

Xeon L5645

General Parameters

Jun 2013

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Westmere-EP

Intel Socket 1150

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E3 (Haswell-WS)

Generation

Xeon(Westmere-EP)

Package

1.4 billions

Transistor Count

1.17 billions

22 nm

Manufacturing Process

32 nm

80 W

Power Consumption

60 W

Intel

Foundry

Intel

160 mm²

Die Size

239 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

2.4 GHz

3.9 GHz

Performance Core Turbo Frequency

2.933 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

35.0

Multiplier

18.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

8 MB shared

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

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