Intel Xeon W 2135 vs Intel Xeon E5649

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Intel Xeon W 2135 Intel Xeon E5649

We compared two server CPUs: Intel Xeon W 2135 with 6 cores 3.7GHz and Intel Xeon E5649 with 6 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon W 2135 's Advantages

Released 6 years and 6 months late

Higher specification of memory (DDR4-2666 vs DDR3)

Newer PCIe version (3 vs 2)

Higher base frequency (3.7GHz vs 2.533GHz)

More modern manufacturing process (14nm vs 32nm)

Intel Xeon E5649 's Advantages

Larger L3 cache size (12MB vs 8.25MB)

Lower TDP (80W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon W 2135 +228%

1349

Intel Xeon E5649

411

Geekbench 6 Multi Core

Intel Xeon W 2135 +289%

6728

Intel Xeon E5649

1727

Intel Xeon W 2135

VS

Intel Xeon E5649

General Parameters

Aug 2017

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Skylake-W

Core Architecture

Westmere-EP

Intel Socket 2066

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon W (Skylake-W)

Generation

Xeon (Westmere-EP)

Package

-

Transistor Count

1.17 billions

14 nm

Manufacturing Process

32 nm

Intel Socket 2066

Socket

Intel Socket 1366

140 W

Power Consumption

80 W

64 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

484 mm²

Die Size

239 mm²

FC-LGA2066

Package

FC-LGA10

CPU Performance

3.7 GHz

Performance Core Base Frequency

2.533 GHz

4.5 GHz

Performance Core Turbo Frequency

2.8 GHz

6

Total Core Count

6

12

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

37.0

Multiplier

19.0

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

8.25 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR4-2666

Memory Types

DDR3

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

48

PCIe Lanes

-

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