Intel Xeon E3 1235 vs Intel Xeon E5 2603 v3

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Intel Xeon E3-1235

Intel Xeon E5-2603 v3

We compared two server CPUs: Intel Xeon E3 1235 with 4 cores 3.2GHz and Intel Xeon E5 2603 v3 with 6 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 1235 's Advantages

Higher base frequency (3.2GHz vs 1.6GHz)

Intel Xeon E5 2603 v3 's Advantages

Released 3 years and 5 months late

Higher specification of memory (1600 vs 3)

Larger L3 cache size (15MB vs 8MB)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (85W vs 95W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1235 +12%

626

Intel Xeon E5 2603 v3

558

Geekbench 6 Multi Core

Intel Xeon E3 1235

2110

Intel Xeon E5 2603 v3 +20%

2541

Intel Xeon E3 1235

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Intel Xeon E5 2603 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

85 W

Intel

Foundry

Intel

216 mm²

Die Size

356 mm²

CPU Performance

3.2 GHz

Performance Core Base Frequency

1.6 GHz

3.6 GHz

Performance Core Turbo Frequency

0

4

Total Core Count

6

8

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

32.0

Multiplier

16.0

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

Memory Types

DDR4-1600

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

40

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