Intel Xeon E3 1275 vs Intel Xeon E5 2685 v3

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Intel Xeon E3 1275 Intel Xeon E5 2685 v3

We compared two server CPUs: Intel Xeon E3 1275 with 4 cores 3.4GHz and Intel Xeon E5 2685 v3 with 12 cores 2.6GHz . 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 2.6GHz)

Lower TDP (95W vs 120W)

Intel Xeon E5 2685 v3 's Advantages

Released 3 years and 5 months late

Higher specification of memory (DDR3 vs DDR3)

Larger L3 cache size (30MB vs 8MB)

More modern manufacturing process (22nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 +33%

1347

Intel Xeon E5 2685 v3

1010

Geekbench 6 Multi Core

Intel Xeon E3 1275

4527

Intel Xeon E5 2685 v3 +22%

5554

Intel Xeon E3 1275

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Intel Xeon E5 2685 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

Intel Socket 1155

Socket

Intel Socket 2011-3

95 W

Power Consumption

120 W

Intel

Foundry

Intel

216 mm²

Die Size

356 mm²

FC-LGA10

Package

FC-LGA12A

CPU Performance

3.4 GHz

Performance Core Base Frequency

2.6 GHz

3.8 GHz

Performance Core Turbo Frequency

3.3 GHz

4

Total Core Count

12

8

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

34.0

Multiplier

26.0

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

30 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3,

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

40

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