Intel Xeon E3 1231 v3 vs Intel Xeon E5 2643 v2

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Intel Xeon E3-1231 v3

Intel Xeon E5-2643 v2

We compared two server CPUs: Intel Xeon E3 1231 v3 with 4 cores 3.4GHz and Intel Xeon E5 2643 v2 with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1231 v3 's Advantages

Released 8 months late

Higher specification of memory (1600 vs 3)

Lower TDP (80W vs 130W)

Intel Xeon E5 2643 v2 's Advantages

Higher base frequency (3.5GHz vs 3.4GHz)

Larger L3 cache size (15MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1231 v3 +119%

1275

Intel Xeon E5 2643 v2

581

Geekbench 6 Multi Core

Intel Xeon E3 1231 v3 +36%

4198

Intel Xeon E5 2643 v2

3083

Intel Xeon E3 1231 v3

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Intel Xeon E5 2643 v2

General Parameters

May 2014

Release Date

Sep 2013

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Ivy Bridge-EP

Intel Socket 1150

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon E3 (Haswell-WS)

Generation

Xeon E5 (Ivy Bridge-EP)

Package

1.4 billions

Transistor Count

1.4 billions

22 nm

Manufacturing Process

22 nm

80 W

Power Consumption

130 W

Intel

Foundry

Intel

160 mm²

Die Size

160 mm²

CPU Performance

3.4 GHz

Performance Core Base Frequency

3.5 GHz

3.8 GHz

Performance Core Turbo Frequency

0

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

34.0

Multiplier

35.0

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

15 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3-1600

Memory Types

DDR3

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

-

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