Dell 15R 5521 vs Lenovo B40-70 (59-433781)

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Summary

Processor Family

Intel Core i5
(3rd Gen)
N/A

Clock Speed

2.7 Ghz
1.9 Ghz

Capacity

6 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

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

Display Features

HD LED Display with True Life
HD LED Display

OS

Windows 8
Windows 8

Type

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

User Ratings

3.9/5
(7 ratings)
N/A

General Information

Brand

Dell
Lenovo

Model

15R 5521
B40-70 (59-433781)

Thickness

31.3 Millimeter thickness
24.5 Millimeter thickness

Dimensions (WxDxH)

376 x 259 x 31.3  mm
340 x 247 x 24.5  mm

Weight

2.2 Kg weight
2.1 Kg weight

Colors

Silver
Black

Operating System

Windows 8
Windows 8 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 Display with True Life
HD LED Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i5-3337U

3rd Gen
Intel Core i3-4030U

Clock-speed

2.7 Ghz
1.9 Ghz

Chipset

Intel HM76 Express
N/A

Graphic Processor

Intel HD 4000
Intel HD 4400

Memory

Capacity

6 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

N/A
1600 Mhz

Memory Slots

2
2 DIMM

Expandable Memory

8 GB
16 GB

Memory Layout

N/A
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

6 Cell
4 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

65 W AC Adapter W
N/A

Battery Life

3 Hrs
6 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

8-in-1 Card Reader
N/A

Ports

USB 3.0 slots

2
N/A

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

Yes
N/A

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

1.0 MP
N/A

Secondary cam(Rear-facing)

No
No

Audio Solution

N/A
HD Audio Solution

Speakers

Stereo Speakers
Stereo Speakers

Sound Technologies

Waves MaxxAudio 4
Dolby Advanced Audio

In-built Microphone

N/A
Yes

Peripherals

Optical Drive

Tray-load DVD RW Drive
DVD Writer

Drive Type

DVD Writer
DVD Writer

Pointing Device

Touchpad
Touchpad with Multi-touch Gesture support

Keyboard

Standard keyboard
AccuType Keyboard

Fingerprint Scanner

N/A
No

Others

Warranty

1 Year
3 Years

Sales Package

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