Asus X551CA-SX075D vs Asus X551CA-SX021D

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Summary

Processor Family

Intel Celeron Dual-Core
Intel Celeron Dual-Core

Clock Speed

1.5 Ghz
1.5 Ghz

Capacity

2 GB RAM
2 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

15.6 inches
(39.62 cm)
15.6 inches
(39.62 cm)

Display Features

LED-backlit TFT LCD Display
HD TFT LCD Glare Display with LED Backlit

OS

DOS
DOS

Type

N/A
(64-bit) OS

User Ratings

3.9/5
(165 ratings)
3.9/5
(189 ratings)

General Information

Brand

Asus
Asus

Model

X551CA-SX075D
X551CA-SX021D

Thickness

36.5 Millimeter thickness
30.9 Millimeter thickness

Dimensions (WxDxH)

380 x 251 x 36.5  mm
380 x 251 x 30.9  mm

Weight

2.15 Kg weight
2.1 Kg weight

Colors

Black White
Black

Operating System

DOS
DOS

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

LED-backlit TFT LCD Display
HD TFT LCD Glare Display with LED Backlit

Display Touchscreen

No
No

Performance

Processor

Intel Celeron 1007U
Intel Celeron Dual Core 1007U

Clock-speed

1.5 Ghz
1.5 Ghz

Chipset

Intel HM70 Express
Intel HM70 Express

Graphic Processor

Intel HD Graphics
Intel HD 4000

Memory

Capacity

2 GB
2 GB

RAM type

DDR3
DDR3

Memory Slots

2
1

Expandable Memory

N/A
6 GB

Memory Layout

1 x 2 Gigabyte
1 x 2 Gigabyte

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
Li-Ion

Power Supply

45 W AC Adapter W
45 W AC Adapter W

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

Ports

USB 3.0 slots

1
1

USB 2.0 slots

1
1

SD Card Reader

Yes
Yes

Ethernet Ports

1
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

VGA Port

N/A
Yes

Multimedia

Web-cam

Yes
Yes

Secondary cam(Rear-facing)

No
No

Speakers

Stereo Speakers
Stereo Speakers

In-built Microphone

N/A
Yes

Peripherals

Optical Drive

Super-Multi DVD
SuperMulti DVD RW Drive with Dual Layer Support

Drive Type

N/A
DVD Writer

Pointing Device

Touchpad with Multi-touch Gesture Support
Touchpad

Keyboard

Chiclet Keyboard
Chiclet Keyboard

Others

Warranty

1 Year
1 Year

Lockport

Yes
N/A

Sales Package

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