Intel Xeon E3 1275 vs Intel Xeon E5 2686 v3

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Intel Xeon E3-1275

Intel Xeon E5-2686 v3

We compared two server CPUs: Intel Xeon E3 1275 with 4 cores 3.4GHz and Intel Xeon E5 2686 v3 with 18 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 's Advantages

Higher base frequency (3.4GHz vs 2GHz)

Lower TDP (95W vs 120W)

Intel Xeon E5 2686 v3 's Advantages

Released 3 years and 5 months late

Higher specification of memory (2133 vs 3)

Larger L3 cache size (45MB vs 8MB)

More modern manufacturing process (22nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 +30%

1347

Intel Xeon E5 2686 v3

1033

Geekbench 6 Multi Core

Intel Xeon E3 1275

4527

Intel Xeon E5 2686 v3 +91%

8649

Intel Xeon E3 1275

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Intel Xeon E5 2686 v3

General Parameters

Apr 2011

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge

Core Architecture

Haswell-EP

Intel Socket 1155

Socket

Intel Socket 2011-3

Intel HD P3000

Integrated Graphics

N/A

Xeon E3 (Sandy Bridge)

Generation

Xeon E5 (Haswell-EP)

Package

1.16 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

22 nm

95 W

Power Consumption

120 W

-

Peak Operating Temperature

83 °C

Intel

Foundry

Intel

216 mm²

Die Size

356 mm²

CPU Performance

3.4 GHz

Performance Core Base Frequency

2 GHz

3.8 GHz

Performance Core Turbo Frequency

3.5 GHz

4

Total Core Count

18

8

Total Thread Count

36

100 MHz

Bus Frequency

100 MHz

34.0

Multiplier

20.0

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

45 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3,DDR4-2133

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

40

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