Intel Xeon L5638 vs Intel Xeon E3 1535M v5

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Intel Xeon L5638

Intel Xeon E3-1535M v5

We compared two server CPUs: Intel Xeon L5638 with 6 cores 2GHz and Intel Xeon E3 1535M v5 with 4 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon L5638 's Advantages

Larger L3 cache size (12MB vs 8MB)

Intel Xeon E3 1535M v5 's Advantages

Released 5 years and 7 months late

Higher specification of memory (2133 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.9GHz vs 2GHz)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (45W vs 60W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon L5638

385

Intel Xeon E3 1535M v5 +134%

903

Geekbench 6 Multi Core

Intel Xeon L5638 +37%

2487

Intel Xeon E3 1535M v5

1803

Intel Xeon L5638

VS

Intel Xeon E3 1535M v5

General Parameters

Mar 2010

Release Date

Oct 2015

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Skylake-H

Intel Socket 1366

Socket

Intel BGA 1440

N/A

Integrated Graphics

HD Graphics P530

Xeon (Westmere-EP)

Generation

Xeon E3 (Skylake-H)

Package

1.17 billions

Transistor Count

2.3 billions

32 nm

Manufacturing Process

14 nm

60 W

Power Consumption

45 W

Intel

Foundry

Intel

239 mm²

Die Size

122 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.9 GHz

2.4 GHz

Performance Core Turbo Frequency

3.7 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

29.0

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

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

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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