Dell 15 3521 (3521345001BT1) vs Lenovo T440P (20AW0004US)

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Summary

Processor Family

Intel Core i3
(3rd Gen)
Intel Core i5
(4th Gen)

Clock Speed

1.8 Ghz
2.6 Ghz

Capacity

4 GB RAM
4 GB RAM

RAM Features

DDR3
1600 Mhz
DDR3
1600 Mhz

Hard Disk

500 GB HDD
500 GB HDD

Hard Disk Features

SATA
5400 RPM
SATA
7200 RPM

Display Size

15.6 inches
(39.62 cm)
14 inches
(35.56 cm)

Display Features

HD LED Touch Display with True Life
HD LED Backlit Display

OS

Windows 8.1
Windows 8

Type

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

User Ratings

4.1/5
(80 ratings)
N/A

General Information

Brand

Dell
Lenovo

Model

15 3521 (3521345001BT1)
T440P (20AW0004US)

Thickness

33.9 Millimeter thickness
33 Millimeter thickness

Dimensions (WxDxH)

376 x 259 x 33.9  mm
335 x 229 x 33  mm

Weight

2.3 Kg weight
1.8 Kg weight

Colors

Black
Black

Operating System

Windows 8.1
Windows 8 Professional

Operating System Type

64-bit
64-bit

Display Details

Display Size

15.6 Inches  (39.62 cm)
14 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 LED Touch Display with True Life
HD LED Backlit Display

Display Touchscreen

Yes
No

Performance

Processor

Intel Core i3-3217U

3rd Gen
Intel Core i5-4300M

4th Gen

Clock-speed

1.8 Ghz
2.6 Ghz

Chipset

Intel HM76 Express
N/A

Graphic Processor

AMD Radeon HD 7670M
Intel HD Graphics 4600

Graphics Memory

1 GB
N/A

Memory

Capacity

4 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

1600 Mhz
1600 Mhz

Memory Slots

2
1

Expandable Memory

8 GB
N/A

Memory Layout

1 x 4 Gigabyte
1 x 4 Gigabyte

Storage

HDD Capacity

500 GB
500 GB

HDD Speed(RPM)

5400 RPM
7200 RPM

HDD type

SATA
SATA

Battery

Battery Cell

4 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

40 W AC Adapter W
65 W AC Adapter W

Battery Life

8 Hrs
N/A

Networking

Wireless LAN

802.11 b/g/n
802.11 a/b/g/n/ac

Wi-Fi Version

4
5

Bluetooth

Yes
Yes

Bluetooth Version

4.0
4.0

Other Networking Options

Multi Card Slot
Multi-Format SD media card reader (4-in-1)

Ports

USB 3.0 slots

2
2

USB 2.0 slots

2
1

SD Card Reader

Yes
Yes

Ethernet Ports

N/A
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

VGA Port

N/A
Yes

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

1.0 MP
N/A

Video Recording

N/A
HD 720p

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
N/A

Speakers

Stereo Speakers
Stereo Speakers

Sound Technologies

Waves MaxxAudio 4
N/A

In-built Microphone

Yes
Yes

Microphone Type

N/A
Monaural Microphone

Peripherals

Optical Drive

CD/DVD writer
DVD R/W Writer

Drive Type

CD Writer
DVD Writer

Optical Read

8x
N/A

Optical Write

8x
N/A

Pointing Device

Touchpad with Multi-touch Gesture support
Touchpad

Keyboard

Standard Keyboard
Standard Notebook Keyboard

Fingerprint Scanner

No
Yes

Others

Warranty

1 Year
1 Year

Lockport

N/A
No

Sales Package

Laptop Battery AC Adapter User Guide
Laptop Battery AC Adapter User Guide