Intel Xeon L5638 vs Intel Xeon E7 8870 v3

VS

Intel Xeon L5638

Intel Xeon E7-8870 v3

We compared two server CPUs: Intel Xeon L5638 with 6 cores 2GHz and Intel Xeon E7 8870 v3 with 18 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon L5638 's Advantages

Lower TDP (60W vs 140W)

Intel Xeon E7 8870 v3 's Advantages

Released 5 years and 3 months late

Higher specification of memory (1866 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.1GHz vs 2GHz)

Larger L3 cache size (45MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Score

Intel Xeon L5638

VS

Intel Xeon E7 8870 v3

General Parameters

Mar 2010

Release Date

Jun 2015

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Haswell-EX

Intel Socket 1366

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon E7 (Haswell-EX)

Package

1.17 billions

Transistor Count

1.4 billions

32 nm

Manufacturing Process

22 nm

60 W

Power Consumption

140 W

-

Peak Operating Temperature

75 °C

Intel

Foundry

Intel

239 mm²

Die Size

160 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.1 GHz

2.4 GHz

Performance Core Turbo Frequency

2.9 GHz

6

Total Core Count

18

12

Total Thread Count

36

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

21.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

45 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR3

Memory Types

DDR3,DDR4-1866

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

32

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