Dell 15R 5558 (5558i581NT) vs Lenovo T440p (20AN00BYMD)

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Summary

Processor Family

Intel Core i5
(5th Gen)
Intel Core i5
(4th Gen)

Clock Speed

1.6 Ghz
2.6 Ghz

Capacity

8 GB RAM
4 GB RAM

RAM Features

DDR3
DDR3
1600 Mhz

Hard Disk

1 TB HDD
500 GB HDD

Hard Disk Features

SATA
5400 RPM
SATA
7200 RPM

Display Size

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

Display Features

HD LED Backlit Display with Truelife
HD LED Backlight Display

OS

Windows 8.1
Windows 7

Type

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

General Information

Brand

Dell
Lenovo

Model

15R 5558 (5558i581NT)
T440p (20AN00BYMD)

Thickness

24.1 Millimeter thickness
28.0 Millimeter thickness

Dimensions (WxDxH)

378 x 260 x 24.1  mm
335 x 229 x 28.0  mm

Weight

2.4 Kg weight
2.1 Kg weight

Colors

Silver
Black

Operating System

Windows 8.1
Windows 7 Professional

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 LED Backlit Display with Truelife
HD LED Backlight Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i5-5250U

5th Gen
Intel Core i5-4210M

4th Gen

Clock-speed

1.6 Ghz
2.6 Ghz

Graphic Processor

Intel HD 5500
Intel HD 4600

Memory

Capacity

8 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

N/A
1600 Mhz

Memory Slots

2 DIMM
2 SODIMM

Expandable Memory

16 GB
N/A

Memory Layout

1 x 8 Gigabyte
1 x 4 Gigabyte

Storage

HDD Capacity

1 TB
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

N/A
65 W AC Adapter W

Battery Life

3.5 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

2.1
4.0

Other Networking Options

(SD SDHC SDXC) Card reader
N/A

Ports

USB 3.0 slots

1
2

USB 2.0 slots

1
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
N/A

Video Recording

N/A
720p HD

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
HD Audio Solution

Speakers

Dell Audio Speakers
2 x 1 W Speakers

Sound Technologies

N/A
Dolby Advanced Audio v2

In-built Microphone

Yes
Yes

Peripherals

Optical Drive

CD/DVD writer
DVD RW Drive

Drive Type

CD Writer
DVD Writer

Optical Read

8x
N/A

Optical Write

8x
N/A

Pointing Device

Touchpad with Multi-touch Gestures Support
Touchpad with Multi-touch Gestures Support

Keyboard

Full-sized spill resistant keyboard
ThinkPad Precision Keyboard

Fingerprint Scanner

No
Yes

Others

Warranty

1 Year
3 Years

Lockport

N/A
Yes

Sales Package

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