Xeon L5645 vs Intel Xeon E3 1270 v5

VS

Intel Xeon L5645

Intel Xeon E3-1270 v5

We compared two server CPUs: Xeon L5645 with 6 cores 2.4GHz and Intel Xeon E3 1270 v5 with 4 cores 3.6GHz . 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 8MB)

Lower TDP (60W vs 80W)

Intel Xeon E3 1270 v5 's Advantages

Released 4 years and 8 months late

Higher specification of memory (2133 vs 1333)

Newer PCIe version (3 vs 2)

Higher base frequency (3.6GHz vs 2.4GHz)

More modern manufacturing process (14nm vs 32nm)

Score

Xeon L5645

VS

Intel Xeon E3 1270 v5

General Parameters

Feb 2011

Release Date

Oct 2015

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Skylake-DT

Intel Socket 1366

Socket

Intel Socket 1151

N/A

Integrated Graphics

N/A

Xeon(Westmere-EP)

Generation

Xeon E3 (Skylake-DT)

Package

1.17 billions

Transistor Count

1.75 billions

32 nm

Manufacturing Process

14 nm

60 W

Power Consumption

80 W

Intel

Foundry

Intel

239 mm²

Die Size

122 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

3.6 GHz

2.933 GHz

Performance Core Turbo Frequency

4 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

36.0

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

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3,DDR4-2133

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

16

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