Intel Xeon E5 2676 v3 vs Intel Xeon E3 1275

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Intel Xeon E5-2676 v3

Intel Xeon E3-1275

We compared two server CPUs: Intel Xeon E5 2676 v3 with 12 cores 2.4GHz and Intel Xeon E3 1275 with 4 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2676 v3 's Advantages

Released 4 years and 2 months late

Higher specification of memory (2133 vs 3)

Larger L3 cache size (30MB vs 8MB)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E3 1275 's Advantages

Higher base frequency (3.4GHz vs 2.4GHz)

Lower TDP (95W vs 120W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2676 v3

555

Intel Xeon E3 1275 +142%

1347

Geekbench 6 Multi Core

Intel Xeon E5 2676 v3

319

Intel Xeon E3 1275 +1319%

4527

Intel Xeon E5 2676 v3

VS

Intel Xeon E3 1275

General Parameters

Jun 2015

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Sandy Bridge

Intel Socket 2011-3

Socket

Intel Socket 1155

N/A

Integrated Graphics

Intel HD P3000

Xeon E5 (Haswell-EP)

Generation

Xeon E3 (Sandy Bridge)

Package

2.6 billions

Transistor Count

1.16 billions

22 nm

Manufacturing Process

32 nm

120 W

Power Consumption

95 W

Intel

Foundry

Intel

356 mm²

Die Size

216 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

3.4 GHz

3 GHz

Performance Core Turbo Frequency

3.8 GHz

12

Total Core Count

4

24

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

34.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

30 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR3

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

16

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