Dell E6520 vs Lenovo E431 (6277-4XQ)

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Summary

Processor Family

Intel Core i5
(2nd Gen)
Intel Core i5
(3rd Gen)

Clock Speed

2.5 Ghz
2.6 Ghz

Capacity

2 GB RAM
2 GB RAM

RAM Features

DDR3
DDR3

Hard Disk

500 GB HDD
500 GB HDD

Hard Disk Features

SATA
5400 RPM
SATA
7200 RPM

Display Size

15.6 inches
(39.62 cm)
14.0 inches
(35.56 cm)

Display Features

HD Anti-Glare LED Display
HD LED AntiGlare Display

OS

Ubuntu
DOS

Type

N/A
(64-bit) OS

General Information

Brand

Dell
Lenovo

Model

E6520
E431 (6277-4XQ)

Thickness

34.2 Millimeter thickness
34 Millimeter thickness

Dimensions (WxDxH)

384 x 258 x 34.2  mm
377 x 250 x 34  mm

Weight

2.5 Kg weight
2.13 Kg weight

Colors

Silver
Black

Operating System

Ubuntu
DOS

Operating System Type

N/A
64-bit

Display Details

Display Size

15.6 Inches  (39.62 cm)
14.0 Inches  (35.56 cm)

Display Resolution

1366 x 768 Pixels
1366 x 768 Pixels

Pixel Density

100 ppi
112 ppi

Display Type

LED
LED

Display Features

HD Anti-Glare LED Display
HD LED AntiGlare Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i5-2520M

2nd Gen
Intel Core i5-3230M

3rd Gen

Clock-speed

2.5 Ghz
2.6 Ghz

Chipset

Intel QM67 Express
Intel HM77 Express

Graphic Processor

Intel HD 3000
Intel HD 4000

Graphics Memory

N/A
1 GB

Memory

Capacity

2 GB
2 GB

RAM type

DDR3
DDR3

Memory Slots

2
2

Expandable Memory

N/A
8 GB

Memory Layout

1 x 2 Gigabyte
1 x 2 Gigabyte

Storage

HDD Capacity

500 GB
500 GB

HDD Speed(RPM)

5400 RPM
7200 RPM

HDD type

SATA
SATA

Battery

Battery Cell

4 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

N/A
65 W AC Adapter W

Battery Life

N/A
3 Hrs

Networking

Wireless LAN

802.11 b/g/n
802.11 b/g/n

Wi-Fi Version

4
4

Bluetooth

Yes
Yes

Bluetooth Version

N/A
4.0

Ports

USB 2.0 slots

4
N/A

SD Card Reader

Yes
Yes

Ethernet Ports

1
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

Multimedia

Web-cam

Yes
Yes

Secondary cam(Rear-facing)

No
No

Speakers

Stereo Speakers
Stereo Speakers

Sound Technologies

N/A
Dolby Advanced Audio v2

In-built Microphone

Yes
Yes

Peripherals

Optical Drive

DVD+/-RW Drive
SuperMulti DVD Drive

Drive Type

DVD Writer
N/A

Pointing Device

Touchpad with Multi-touch Gesture Support
Touchpad

Keyboard

Standard Keyboard
Standard Keyboard

Others

Warranty

N/A
1 Year

Sales Package

Laptop Battery AC Adapter User Guide
Laptop Battery AC Adapter User Guide