Dell 15R 5521 vs Dell 3540 (CAL004W72117S7IN9)

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Summary

Processor Family

Intel Core i5
(3rd Gen)
N/A

Clock Speed

2.7 Ghz
1.6 Ghz

Capacity

4 GB RAM
4 GB RAM

RAM Features

DDR3
1600 Mhz
DDR3

Hard Disk

500 GB HDD
500 GB 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 with True Life
Anti-Glare WLED-backlit Display

OS

DOS
Windows 8.1

Type

N/A
(64-bit) OS

General Information

Brand

Dell
Dell

Model

15R 5521
3540 (CAL004W72117S7IN9)

Thickness

25.3 Millimeter thickness
27.8 Millimeter thickness

Dimensions (WxDxH)

376 x 259 x 25.3  mm
376 x 259 x 27.8  mm

Weight

2.2 Kg weight
2.3 Kg weight

Colors

Silver
Grey

Operating System

DOS
Windows 8.1

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 with True Life
Anti-Glare WLED-backlit Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i5-3337U

3rd Gen
Intel Core i5-4210U

Clock-speed

2.7 Ghz
1.6 Ghz

Chipset

Intel HM76 Express
Intel HM87 Express

Graphic Processor

Intel HD 4000
Intel HD 4400

Graphics Memory

2 GB
N/A

Memory

Capacity

4 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

1600 Mhz
N/A

Memory Slots

2
2 DIMM

Expandable Memory

8 GB
8 GB

Memory Layout

1 x 4GB Gigabyte
1 x 4 Gigabyte

Storage

HDD Capacity

500 GB
500 GB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

4 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

65 W AC Adapter
90 W AC Adapter W

Battery Life

3 Hrs
4 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

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

Ports

USB 3.0 slots

2
N/A

USB 2.0 slots

2
2

SD Card Reader

Yes
Yes

Ethernet Ports

1
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

1.0 MP
1.0 MP

Secondary cam(Rear-facing)

No
No

Audio Solution

N/A
HD Audio Solution

Speakers

Stereo Speakers
Dell Audio Speakers

Sound Technologies

Waves MaxxAudio 4
N/A

In-built Microphone

N/A
Yes

Microphone Type

N/A
Digital Microphone

Peripherals

Optical Drive

Tray-load DVD RW Drive
Tray-load DVD RW Drive

Drive Type

DVD Writer
DVD Writer

Pointing Device

Touchpad
Touchpad with Multi-touch Gesture Support

Keyboard

Standard Keyboard
Standard Keyboard

Fingerprint Scanner

N/A
No

Others

Warranty

1
1 Year

Sales Package

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