Xeon E7 2803 vs Intel Xeon E3 1265L v2

VS

Intel Xeon E7-2803

Intel Xeon E3-1265L v2

We compared two server CPUs: Xeon E7 2803 with 6 cores 1.733GHz and Intel Xeon E3 1265L v2 with 4 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7 2803 's Advantages

Higher specification of memory (1333 vs 3)

Larger L3 cache size (18MB vs 8MB)

Intel Xeon E3 1265L v2 's Advantages

Released 1 years and 1 months late

Higher base frequency (2.5GHz vs 1.733GHz)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (45W vs 105W)

Score

Xeon E7 2803

VS

Intel Xeon E3 1265L v2

General Parameters

Apr 2011

Release Date

May 2012

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EX

Core Architecture

Ivy Bridge

Intel Socket 1567

Socket

Intel Socket 1155

N/A

Integrated Graphics

Intel HD 2500

Xeon E7(Westmere-EX)

Generation

Xeon E3 (Ivy Bridge)

Package

2.6 billions

Transistor Count

1.4 billions

32 nm

Manufacturing Process

22 nm

105 W

Power Consumption

45 W

Intel

Foundry

Intel

513 mm²

Die Size

160 mm²

CPU Performance

1.733 GHz

Performance Core Base Frequency

2.5 GHz

0

Performance Core Turbo Frequency

3.5 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

13.0

Multiplier

25.0

64 KB per core

L1 Cache

64 K per core

256 KB per core

L2 Cache

256 K per core

18 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

16

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