Lenovo S400 (59-355933) vs Dell 15 3521 (3521P4500iBU)

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Summary

Processor Family

Intel Pentium Dual-Core
Intel Pentium Dual-Core

Clock Speed

1.5 Ghz
1.9 Ghz

Capacity

2 GB RAM
4 GB RAM

RAM Features

DDR3
DDR3
1600 Mhz

Hard Disk

500 GB HDD
500 GB HDD

Hard Disk Features

SATA
5400 RPM
SATA
5400 RPM

Display Size

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

Display Features

HD LED Display
HD LED Display with True Life

OS

Windows 8
Ubuntu

Type

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

User Ratings

4/5
(5 ratings)
4.1/5
(123 ratings)

General Information

Brand

Lenovo
Dell

Model

S400 (59-355933)
15 3521 (3521P4500iBU)

Series

N/A
Inspiron 15

Thickness

21.9 Millimeter thickness
25.3 mm

Dimensions (WxDxH)

336.6 x 241.2 x 21.9  mm
376 x 259 x 25.3  mm

Weight

1.8 Kg weight
2.25 Kg

Colors

Silver Grey
Black

Operating System

Windows 8
Ubuntu

Operating System Type

64-bit
64-bit

Display Details

Display Size

14.0 Inches  (35.56 cm)
15.6 Inches  (39.62 cm)

Display Resolution

1366 x 768 Pixels
1366 x 768 Pixels

Pixel Density

112 ppi
100 ppi

Display Type

LED
LED

Display Features

HD LED Display
HD LED Display with True Life

Display Touchscreen

No
N/A

Touch Screen Display

N/A
Yes

Performance

Processor

Intel Pentium B987
N/A

Clock-speed

1.5 Ghz
N/A

Max Clock Speed

N/A
1.9 GHz

Chipset

Intel HM70 Express
Intel HM76 Express

Graphic Processor

Radeon HD 7450
Intel HD Graphics

Cache

N/A
2 MB

Graphics Memory

1
N/A

Memory

Capacity

2 GB
4 GB

RAM type

DDR3
N/A

RAM Type

N/A
DDR3

RAM Speed

N/A
1600 MHz

Memory Slots

1
2 DIMM

Expandable Memory

4 GB
8 GB

Storage

HDD Capacity

500 GB
500 GB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

4 Cell
4 Cell

Battery type

Li-Ion
N/A

Battery Type

N/A
Li-Ion

Power Supply

32
40 W

Battery Life

5 Hrs
5 Hrs

Networking

Wireless LAN

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

Wi-Fi Version

4
4

Bluetooth

Yes
Yes

Bluetooth Version

4.0
4.0

Ports

HDMI Ports

N/A
1

USB 3.0 slots

1
2

USB 2.0 slots

2
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
1 MP

Secondary cam(Rear-facing)

No
N/A

Audio Solution

HD Audio Solution
HD Audio Solution

Speakers

Stereo speakers
Stereo speakers

Sound Technologies

Dolby V2 Audio
Waves MaxxAudio 4

In-built Microphone

Yes
Yes

Microphone Type

N/A
Digital Microphone

Peripherals

Optical Drive

N/A
Tray-load DVD RW Drive

Drive Type

N/A
DVD Writer

Pointing Device

Touchpad
Touchpad

Keyboard

AccuType Keyboard
Standard Keyboard

Others

Warranty

1 Year
1 Year

Lockport

N/A
Yes

Sales Package

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