Intel Xeon E5 2403 vs Intel Xeon E3 1275

VS

We compared two server CPUs: Intel Xeon E5 2403 with 4 cores 1.8GHz 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 2403 's Advantages

Released 1 years and 1 months late

Larger L3 cache size (10MB vs 8MB)

Lower TDP (80W vs 95W)

Intel Xeon E3 1275 's Advantages

Higher base frequency (3.4GHz vs 1.8GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2403

349

Intel Xeon E3 1275 +285%

1347

Geekbench 6 Multi Core

Intel Xeon E5 2403

1116

Intel Xeon E3 1275 +305%

4527

Intel Xeon E5 2403

VS

Intel Xeon E3 1275

General Parameters

May 2012

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EN

Core Architecture

Sandy Bridge

Intel Socket 1356

Socket

Intel Socket 1155

N/A

Integrated Graphics

Intel HD P3000

Xeon E5 (Sandy Bridge-EN)

Generation

Xeon E3 (Sandy Bridge)

Package

1.27 billions

Transistor Count

1.16 billions

32 nm

Manufacturing Process

32 nm

Intel Socket 1356

Socket

Intel Socket 1155

80 W

Power Consumption

95 W

Intel

Foundry

Intel

294 mm²

Die Size

216 mm²

-

Package

FC-LGA10

CPU Performance

1.8 GHz

Performance Core Base Frequency

3.4 GHz

0

Performance Core Turbo Frequency

3.8 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

34.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

10 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

16

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