Dell 15 3521 vs Dell 15R 5520

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Summary

Processor Family

N/A
Intel Core i7
(3rd Gen)

Clock Speed

1.4 Ghz
N/A

Capacity

2 GB RAM
4 GB RAM

RAM Features

DDR3
DDR3

Hard Disk

500 GB HDD
1 TB HDD

Hard Disk Features

SATA
5400 RPM
SATA
5400 RPM

Display Size

15.6 inches
(39.62 cm)
15.6 inches
(39.62 cm)

Display Features

HD LED Display
HD WLED Display

OS

DOS
Windows 8

Type

N/A
(64-bit) OS

General Information

Brand

Dell
Dell

Model

15 3521
15R 5520

Thickness

34.53 Millimeter thickness
34.1 Millimeter thickness

Dimensions (WxDxH)

376 x 260 x 34.53  mm
378 x 252 x 34.1  mm

Weight

2.4 Kg weight
2.7 Kg weight

Colors

Black
Silver

Operating System

DOS
Windows 8

Operating System Type

N/A
64-bit

Display Details

Display Size

15.6 Inches  (39.62 cm)
15.6 Inches  (39.62 cm)

Display Resolution

1366 x 768 Pixels
1366 x 768 Pixels

Pixel Density

100 ppi
100 ppi

Display Type

LED
LED

Display Features

HD LED Display
HD WLED Display

Display Touchscreen

No
No

Performance

Processor

Intel Pentium B997
Intel Core i7-3632

3rd Gen

Clock-speed

1.4 Ghz
N/A

Chipset

Intel HM75 Express
N/A

Graphic Processor

Intel HD Graphics
Radeon HD 7730M

Graphics Memory

N/A
1

Memory

Capacity

2 GB
4 GB

RAM type

DDR3
DDR3

Memory Slots

2 DIMM
N/A

Expandable Memory

8 GB
N/A

Storage

HDD Capacity

500 GB
1 TB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

6 Cell Cell
6 Cell

Battery type

Li-Ion
Li-Ion

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

Other Networking Options

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

Ports

USB 3.0 slots

N/A
4

USB 2.0 slots

3
N/A

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 MP

Secondary cam(Rear-facing)

No
No

Audio Solution

N/A
HD Audio Solution

Speakers

Stereo speakers
Stereo speakers

Sound Technologies

N/A
Waves MaxxAudio 3

In-built Microphone

Yes
Yes

Microphone Type

N/A
Digital Microphone

Peripherals

Optical Drive

DVD RW Drive
DVD+/-RW Drive

Drive Type

DVD Writer
DVD Writer

Pointing Device

Touchpad
Touchpad

Keyboard

Chicklet Keyboard
Standard Keyboard

Others

Warranty

1 Year
1 Year

Lockport

N/A
Yes

Sales Package

LaptopBatteryAC AdapterUser Guides and Manuals
Laptop Battery AC Adapter User Guide and Manuals