Dell 15 vs Dell 15 3521

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Summary

Processor Family

Intel Core i3
(2nd Gen)
Intel Core i3
(3rd Gen)

Clock Speed

2.3 Ghz
1.8 Ghz

Capacity

4 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)
15.6 inches
(39.62 cm)

Display Features

HD WLED Display
HD LED Display with True Life

OS

Ubuntu
Windows 8.1

Type

N/A
(64-bit) OS

General Information

Brand

Dell
Dell

Model

15
15 3521

Thickness

31.3 Millimeter thickness
25.3 Millimeter thickness

Dimensions (WxDxH)

376 x 259 x 31.3  mm
376 x 259 x 25.3  mm

Weight

2.3 Kg weight
2.2 Kg weight

Colors

Black
Black

Operating System

Ubuntu
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 WLED Display
HD LED Display with True Life

Display Touchscreen

No
Yes

Performance

Processor

Intel Core i3-2350M

2nd Gen
Intel Core i3-3217U

3rd Gen

Clock-speed

2.3 Ghz
1.8 Ghz

Chipset

Intel HM65 Express
Intel HM76 Express

Graphic Processor

Intel HD 3000
Intel HD 4000

Graphics Memory

64 MB
1 GB

Memory

Capacity

4 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

N/A
1600 Mhz

Memory Slots

1
1 DIMM

Expandable Memory

4 GB
8 GB

Memory Layout

1 x 4 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

6 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

65 W AC Adapter W
65 W AC Adapter W

Battery Life

3.5 Hrs
N/A

Networking

Wireless LAN

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

Wi-Fi Version

4
4

Bluetooth

Yes
Yes

Bluetooth Version

N/A
4.0

Ports

USB 3.0 slots

N/A
2

USB 2.0 slots

3
2

SD Card Reader

No
Yes

Ethernet Ports

1
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

VGA Port

Yes
N/A

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

0.3 MP
1.0 MP

Secondary cam(Rear-facing)

No
No

Speakers

Stereo Speakers
Stereo Speakers

Sound Technologies

N/A
Waves MaxxAudio 4

In-built Microphone

Yes
Yes

Microphone Type

N/A
Digital Microphone

Peripherals

Optical Drive

DVD RW Drive with Dual Layer Support
Tray-loading DVD+/-RW

Drive Type

DVD Writer
DVD Writer

Pointing Device

Touchpad
Touchpad

Keyboard

Standard Keyboard
Standard Keyboard

Fingerprint Scanner

No
No

Others

Warranty

1 Year
1 Year

Lockport

N/A
Yes

Sales Package

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