Intel Xeon E3 1275 v3 vs Intel Xeon E5603

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Intel Xeon E3-1275 v3

Intel Xeon E5603

We compared two server CPUs: Intel Xeon E3 1275 v3 with 4 cores 3.5GHz and Intel Xeon E5603 with 4 cores 1.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 v3 's Advantages

Released 2 years and 4 months late

Higher specification of memory (4 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (3.5GHz vs 1.6GHz)

Larger L3 cache size (8MB vs 4MB)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E5603 's Advantages

Lower TDP (80W vs 84W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 v3 +467%

1140

Intel Xeon E5603

201

Geekbench 6 Multi Core

Intel Xeon E3 1275 v3 +422%

3063

Intel Xeon E5603

586

Intel Xeon E3 1275 v3

VS

Intel Xeon E5603

General Parameters

Jun 2013

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Westmere-EP

Intel Socket 1150

Socket

Intel Socket 1366

Intel HD P4600

Integrated Graphics

N/A

Xeon E3 (Haswell-WS)

Generation

Xeon (Westmere-EP)

Package

1.4 billions

Transistor Count

1.17 billions

22 nm

Manufacturing Process

32 nm

84 W

Power Consumption

80 W

Intel

Foundry

Intel

160 mm²

Die Size

239 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

1.6 GHz

3.9 GHz

Performance Core Turbo Frequency

0

4

Total Core Count

4

8

Total Thread Count

4

100 MHz

Bus Frequency

133 MHz

35.0

Multiplier

12.0

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

4 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR3

2

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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