Intel Xeon E3 1275 v2 vs Xeon E7 2803

VS

Intel Xeon E3-1275 v2

Intel Xeon E7-2803

We compared two server CPUs: Intel Xeon E3 1275 v2 with 4 cores 3.5GHz and Xeon E7 2803 with 6 cores 1.733GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 v2 's Advantages

Released 1 years and 1 months late

Higher base frequency (3.5GHz vs 1.733GHz)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (77W vs 105W)

Xeon E7 2803 's Advantages

Higher specification of memory (1333 vs 3)

Larger L3 cache size (18MB vs 8MB)

Score

Intel Xeon E3 1275 v2

VS

Xeon E7 2803

General Parameters

May 2012

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Ivy Bridge

Core Architecture

Westmere-EX

Intel Socket 1155

Socket

Intel Socket 1567

Intel HD P4000

Integrated Graphics

N/A

Xeon E3 (Ivy Bridge)

Generation

Xeon E7(Westmere-EX)

Package

1.4 billions

Transistor Count

2.6 billions

22 nm

Manufacturing Process

32 nm

77 W

Power Consumption

105 W

Intel

Foundry

Intel

160 mm²

Die Size

513 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

1.733 GHz

3.9 GHz

Performance Core Turbo Frequency

0

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

35.0

Multiplier

13.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

8 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3-1333

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

16

PCIe Lanes

-

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