Dell 15 3521 vs Dell 15R 5521

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Summary

Processor Family

Intel Celeron Dual-Core
Intel Core i5
(3rd Gen)

Clock Speed

1.5 Ghz
2.7 Ghz

Capacity

2 GB RAM
4 GB RAM

RAM Features

DDR3
1600 Mhz
DDR3
1600 Mhz

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 WLED Display
HD LED Backlit with True Life Display

OS

Linux
Windows 8

Type

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

User Ratings

4/5
(12 ratings)
N/A

General Information

Brand

Dell
Dell

Model

15 3521
15R 5521

Thickness

33 Millimeter thickness
24.9 Millimeter thickness

Dimensions (WxDxH)

375.9 x 259.1 x 33  mm
376 x 259 x 24.9  mm

Weight

2.37 Kg weight
2.3 Kg weight

Colors

Black Matte
Black

Operating System

Linux
Windows 8

Operating System Type

64-bit
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 WLED Display
HD LED Backlit with True Life Display

Display Touchscreen

No
No

Performance

Processor

Intel Celeron Dual Core 1007U
Intel Core i5-3337U

3rd Gen

Clock-speed

1.5 Ghz
2.7 Ghz

Chipset

Intel HM70 Express
Intel HM76 Express

Graphic Processor

Intel HD Graphics
Intel HD 4000

Memory

Capacity

2 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

1600 Mhz
1600 Mhz

Memory Slots

1 DIMM
N/A

Expandable Memory

4 GB
8 GB

Memory Layout

1 x 2 Gigabyte
N/A

Storage

HDD Capacity

500 GB
1 TB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

4 Cell
4 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

65 W
65 W

Battery Life

5 Hrs
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

4.0
4.0

Other Networking Options

N/A
Multi Card Slot : 8-in-1 Card Reader HDMI v1.4a AC Power In

Ports

USB 3.0 slots

N/A
2

USB 2.0 slots

3
2

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

0.3 MP
1 MP

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
HD Audio Solution

Speakers

Stereo speakers
Stereo speakers

Sound Technologies

Waves MaxxAudio 4
Waves MaxxAudio 4

In-built Microphone

Yes
Yes

Microphone Type

Digital Microphone
Digital Microphone

Peripherals

Optical Drive

DVD RW Drive with Dual Layer Support
Tray-Loading DVD+/-RW

Drive Type

DVD Writer
DVD Writer

Pointing Device

Touchpad
Touchpad

Keyboard

Standard Keyboard
Standard Keyboard

Others

Warranty

1 Year
1 Year

Lockport

Yes
Yes

Sales Package

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