Intel Xeon E5 2649 v3 vs Intel Xeon E3 1285 v6

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Intel Xeon E5-2649 v3

Intel Xeon E3-1285 v6

We compared two server CPUs: Intel Xeon E5 2649 v3 with 10 cores 2.3GHz and Intel Xeon E3 1285 v6 with 4 cores 4.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2649 v3 's Advantages

Higher specification of memory (2133 vs 4)

Larger L3 cache size (25MB vs 8MB)

Intel Xeon E3 1285 v6 's Advantages

Released 2 years and 11 months late

Higher base frequency (4.1GHz vs 2.3GHz)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (79W vs 105W)

Score

Benchmark

Geekbench 5 Single Core

Intel Xeon E5 2649 v3

689

Intel Xeon E3 1285 v6 +85%

1279

Geekbench 5 Multi Core

Intel Xeon E5 2649 v3 +96%

9774

Intel Xeon E3 1285 v6

4964

Intel Xeon E5 2649 v3

VS

Intel Xeon E3 1285 v6

General Parameters

Sep 2014

Release Date

Aug 2017

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Kaby Lake-DT

Intel Socket 2011-3

Socket

Intel Socket 1151

N/A

Integrated Graphics

HD Graphics P630

Xeon E5 (Haswell-EP)

Generation

Xeon E3 (Kaby Lake-DT)

Package

2.6 billions

Transistor Count

1.4 billions

22 nm

Manufacturing Process

14 nm

105 W

Power Consumption

79 W

Intel

Foundry

Intel

356 mm²

Die Size

160 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

4.1 GHz

3 GHz

Performance Core Turbo Frequency

4.5 GHz

10

Total Core Count

4

20

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

41.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

25 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR4

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

16

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