Xeon E7 4820 vs Intel Xeon E5 2643 v2

VS

Intel Xeon E7-4820

Intel Xeon E5-2643 v2

We compared two server CPUs: Xeon E7 4820 with 8 cores 2GHz and Intel Xeon E5 2643 v2 with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7 4820 's Advantages

Higher specification of memory (1333 vs 3)

Larger L3 cache size (18MB vs 15MB)

Lower TDP (105W vs 130W)

Intel Xeon E5 2643 v2 's Advantages

Released 2 years and 5 months late

Higher base frequency (3.5GHz vs 2GHz)

More modern manufacturing process (22nm vs 32nm)

Score

Xeon E7 4820

VS

Intel Xeon E5 2643 v2

General Parameters

Apr 2011

Release Date

Sep 2013

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EX

Core Architecture

Ivy Bridge-EP

Intel Socket 1567

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon E7(Westmere-EX)

Generation

Xeon E5 (Ivy Bridge-EP)

Package

2.6 billions

Transistor Count

1.4 billions

32 nm

Manufacturing Process

22 nm

105 W

Power Consumption

130 W

Intel

Foundry

Intel

513 mm²

Die Size

160 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

3.5 GHz

2.266 GHz

Performance Core Turbo Frequency

0

8

Total Core Count

6

16

Total Thread Count

12

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

35.0

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

15 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR3

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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