Intel Xeon E3 1285 v6 vs Intel Xeon E5649

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Intel Xeon E3-1285 v6

Intel Xeon E5649

We compared two server CPUs: Intel Xeon E3 1285 v6 with 4 cores 4.1GHz 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 E3 1285 v6 's Advantages

Released 6 years and 6 months late

Higher specification of memory (4 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (4.1GHz vs 2.533GHz)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (79W vs 80W)

Intel Xeon E5649 's Advantages

Larger L3 cache size (12MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1285 v6 +322%

1737

Intel Xeon E5649

411

Geekbench 6 Multi Core

Intel Xeon E3 1285 v6 +238%

5854

Intel Xeon E5649

1727

Intel Xeon E3 1285 v6

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Intel Xeon E5649

General Parameters

Aug 2017

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Kaby Lake-DT

Core Architecture

Westmere-EP

Intel Socket 1151

Socket

Intel Socket 1366

HD Graphics P630

Integrated Graphics

N/A

Xeon E3 (Kaby Lake-DT)

Generation

Xeon (Westmere-EP)

Package

1.4 billions

Transistor Count

1.17 billions

14 nm

Manufacturing Process

32 nm

79 W

Power Consumption

80 W

Intel

Foundry

Intel

160 mm²

Die Size

239 mm²

CPU Performance

4.1 GHz

Performance Core Base Frequency

2.533 GHz

4.5 GHz

Performance Core Turbo Frequency

2.8 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

41.0

Multiplier

19.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR4

Memory Types

DDR3

2

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

16

PCIe Lanes

-

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