Lenovo E431 (6277-4XQ) vs Dell E6520

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Summary

Processor Family

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

Clock Speed

2.6 Ghz
2.1 Ghz

Capacity

4 GB RAM
4 GB RAM

RAM Features

DDR3
DDR3

Hard Disk

500 GB HDD
500 GB HDD

Hard Disk Features

SATA
7200 RPM
SATA
5400 RPM

Display Size

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

Display Features

HD LED AntiGlare Display
HD LED Anti Glare Display

OS

DOS
DOS

User Ratings

4.5/5
(11 ratings)
N/A

General Information

Brand

Lenovo
Dell

Model

E431 (6277-4XQ)
E6520

Thickness

34 Millimeter thickness
28.3 Millimeter thickness

Dimensions (WxDxH)

377 x 250 x 34  mm
384 x 258 x 28.3  mm

Weight

2.13 Kg weight
2.5 Kg weight

Colors

Black
Black

Operating System

DOS
DOS

Display Details

Display Size

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

Display Resolution

1366 x 768 Pixels
1366 x 768 Pixels

Pixel Density

112 ppi
100 ppi

Display Type

LED
LED

Display Features

HD LED AntiGlare Display
HD LED Anti Glare Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i5-3230M

3rd Gen
Intel Core i5-2520M

2nd Gen

Clock-speed

2.6 Ghz
2.1 Ghz

Chipset

Intel HM77 Express
Intel QM67 Express

Graphic Processor

Intel HD 4000
NVIDIA NVS 4200M

Graphics Memory

1 GB
512 MB

Memory

Capacity

4 GB
4 GB

RAM type

DDR3
DDR3

Memory Slots

2 DIMM
2 DIMM

Expandable Memory

16 GB
8 GB

Storage

HDD Capacity

500 GB
500 GB

HDD Speed(RPM)

7200 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

6 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

65 W AC Adapter W
65 W

Battery Life

3 Hrs
6 Hrs

Networking

Wireless LAN

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

Wi-Fi Version

4
4

Bluetooth

Yes
Yes

Bluetooth Version

4.0
3.0

Other Networking Options

Multi Card Slot : 4-in-1 Card Reader
SmartCard Reader optional Contactless SmartCard Reader/Fingerprint Reader or FIPS Fingerprint Reader

Ports

USB 2.0 slots

N/A
4

SD Card Reader

Yes
Yes

Ethernet Ports

1
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

VGA Port

Yes
Yes

Multimedia

Web-cam

Yes
Yes

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
HD Audio Solution

Speakers

Stereo speakers
Stereo speakers

Sound Technologies

Dolby Advanced Audio v2
N/A

In-built Microphone

Yes
Yes

Peripherals

Optical Drive

SuperMulti DVD Drive
DVD+/-RW Drive

Drive Type

N/A
DVD Writer

Pointing Device

Touchpad
Touchpad with Multi-gesture Support

Keyboard

Standard Keyboard
N/A

Backlit Keyboard

N/A
Yes

Others

Warranty

1 Year
3 Years

Sales Package

Laptop Battery AC Adapter User Guides and Manuals
Laptop Battery AC Adapter User Guides and Manuals