Dell 15R 5520 vs Dell 14R N7420

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Summary

Processor Family

Intel Core i7
(3rd Gen)
Intel Core i7
(3rd Gen)

Clock Speed

N/A
2.0 Ghz

Capacity

4 GB RAM
8 GB RAM

RAM Features

DDR3
DDR3

Hard Disk

1 TB HDD
1 TB HDD

Hard Disk Features

SATA
5400 RPM
SATA
5400 RPM

Display Size

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

Display Features

HD WLED Display
HD LED Display with True Life

OS

Windows 8
Windows 8

Type

(64-bit) OS
(64-bit) OS

General Information

Brand

Dell
Dell

Model

15R 5520
14R N7420

Thickness

34.1 Millimeter thickness
31.6 Millimeter thickness

Dimensions (WxDxH)

378 x 252 x 34.1  mm
347 x 240 x 31.6  mm

Weight

2.7 Kg weight
2.3 Kg weight

Colors

Silver
Aluminium

Operating System

Windows 8
Windows 8

Operating System Type

64-bit
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 WLED Display
HD LED Display with True Life

Display Touchscreen

No
No

Performance

Processor

Intel Core i7-3632

3rd Gen
Intel Core i7-3632QM

3rd Gen

Clock-speed

N/A
2.0 Ghz

Chipset

N/A
Intel HM77 Express

Graphic Processor

Radeon HD 7730M
Nvidia GeForce GT 640M

Graphics Memory

1
2 GB

Memory

Capacity

4 GB
8 GB

RAM type

DDR3
DDR3

Memory Slots

N/A
2

Storage

HDD Capacity

1 TB
1 TB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

6 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

N/A
65 W AC Adapter W

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
4.0

Other Networking Options

Multi Card Slot : 8-in-1 Media Card Reader
N/A

Ports

USB 3.0 slots

4
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

Web-cam Resolution

1 MP
1.0 MP

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
N/A

Speakers

Stereo speakers
Skullcandy Speakers (2x 2W)

Sound Technologies

Waves MaxxAudio 3
Waves MaxxAudio4

In-built Microphone

Yes
Yes

Microphone Type

Digital Microphone
N/A

Peripherals

Optical Drive

DVD+/-RW Drive
Tray-load DVD RW Drive

Drive Type

DVD Writer
DVD Writer

Pointing Device

Touchpad
Touchpad

Keyboard

Standard Keyboard
Standard Keyboard

Fingerprint Scanner

N/A
No

Others

Warranty

1 Year
1 Year

Lockport

Yes
Yes

Sales Package

Laptop Battery AC Adapter User Guide and Manuals
Laptop Battery AC Adapter User Guide