Intel Xeon E5 2666 v3 vs Intel Xeon E3 1283L v4

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Intel Xeon E5-2666 v3

Intel Xeon E3-1283L v4

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Intel Xeon E3 1283L v4 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 E5 2666 v3 's Advantages

Higher specification of memory (2133 vs 1866)

Larger L3 cache size (25MB vs 6MB)

Intel Xeon E3 1283L v4 's Advantages

Released 7 months late

More modern manufacturing process (14nm vs 22nm)

Lower TDP (47W vs 135W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2666 v3

1046

Intel Xeon E3 1283L v4 +14%

1202

Geekbench 6 Multi Core

Intel Xeon E5 2666 v3 +44%

6173

Intel Xeon E3 1283L v4

4282

Intel Xeon E5 2666 v3

VS

Intel Xeon E3 1283L v4

General Parameters

Nov 2014

Release Date

Jun 2015

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Broadwell-DT

Intel Socket 2011-3

Socket

Intel Socket 1150

N/A

Integrated Graphics

Intel Iris Pro P6300

Xeon E5 (Haswell-EP)

Generation

Xeon E3 (Broadwell-DT)

Package

2.6 billions

Transistor Count

-

22 nm

Manufacturing Process

14 nm

135 W

Power Consumption

47 W

Intel

Foundry

Intel

356 mm²

Die Size

182 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.9 GHz

3.5 GHz

Performance Core Turbo Frequency

3.8 GHz

10

Total Core Count

4

20

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

29.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

25 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR3-1866

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

16

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