Acer S3-391 NX.M1FSI.002 vs Dell 15 3521

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Summary

Processor Family

Intel Core i7
(3rd Gen)
Intel Pentium Dual-Core

Clock Speed

1.9 Ghz
1.6 Ghz

Capacity

4 GB RAM
4 GB RAM

RAM Features

DDR3
DDR3

Hard Disk

500 GB HDD
500 GB HDD

Hard Disk Features

SATA
5400 RPM
SATA
5400 RPM

Display Size

13.3 inches
(33.78 cm)
15.6 inches
(39.62 cm)

Display Features

HD LED Backlight with Cine Crystal Technology
WLED Display

OS

Windows 7
Windows 8

Type

N/A
(64-bit) OS

User Ratings

N/A
4.6/5
(45 ratings)

General Information

Brand

Acer
Dell

Model

S3-391 NX.M1FSI.002
15 3521

Thickness

17.5 Millimeter thickness
33 Millimeter thickness

Dimensions (WxDxH)

323 x 219 x 17.5  mm
376 x 259 x 33  mm

Weight

1.36 Kg weight (Light-weight)
2.4 Kg weight

Colors

Grey
Black

Operating System

Windows 7 Home Premium
Windows 8

Operating System Type

N/A
64-bit

Display Details

Display Size

13.3 Inches  (33.78 cm)
15.6 Inches  (39.62 cm)

Display Resolution

1366 x 768 Pixels
1366 x 768 Pixels

Pixel Density

118 ppi
100 ppi

Display Type

LED
LED

Display Features

HD LED Backlight with Cine Crystal Technology
WLED Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i7 3517U

3rd Gen
Intel Pentium Dual-Core 2127U

Clock-speed

1.9 Ghz
1.6 Ghz

Chipset

Mobile HM77 Express
N/A

Graphic Processor

Intel HD Graphics 4000
Intel HD Graphics

Graphics Memory

128 MB
N/A

Memory

Capacity

4 GB
4 GB

RAM type

DDR3
DDR3

Memory Slots

2
2

Expandable Memory

4 GB
N/A

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

3 Cell
4 Cell

Battery type

N/A
Li-Ion

Power Supply

65 W
65 W AC Adapter W

Battery Life

6 Hrs
3.5 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
N/A

Other Networking Options

Multi Card Slot (2-in-1 Card Reader)
N/A

Ports

USB 2.0 slots

2
3

SD Card Reader

N/A
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

1.3
0.3 MP

Secondary cam(Rear-facing)

N/A
No

Speakers

N/A
Stereo Speakers

Sound Technologies

N/A
Waves MaxxAudio 4

In-built Microphone

Yes
Yes

Microphone Type

N/A
Digital Microphone

Peripherals

Optical Drive

N/A
DVD RW Drive with Dual Layer Support

Drive Type

N/A
DVD Writer

Pointing Device

Touchpad
Touchpad

Keyboard

Standard Keyboard
Standard Keyboard

Fingerprint Scanner

N/A
No

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