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Karbonn Alfa A99 vs Colors Mobile Xfactor X28 Star

Compare Karbonn Alfa A99

Rs. 2,450
(Discontinued)

 

View Details >

Summary
Performance

512 MB RAM

MediaTek MT6572W

256 MB RAM

Display

4.0" (10.16 cm)

480x800 px

3.5" (8.89 cm)

320x480 px

Rear Camera

3.2 MP

Single Camera

3.2 MP

Single Camera

Front Camera

1.3 MP

Single Camera

0.3 MP

Single Camera

Battery

1400 mAh

1200 mAh

Storage

4 GB

32 GB (Expandable)

4 GB

32 GB (Expandable)

User Rating

★★★★★
★★★★★

4.1/5 based on 71 ratings

Compare Prices
Karbonn Alfa A99 is permanently discontinued.
Colors Mobile Xfactor X28 Star is permanently discontinued.
General
Operating System

Android v4.4 (Kitkat)

Android v4.4.2 (Kitkat)

Performance
Chipset

MediaTek MT6572W

CPU

Dual core, 1.2 GHz

Dual core, 1.2 GHz, Cortex A7

RAM

512 MB

256 MB

Display
Display Type

TFT

TFT

Screen Size

4.0 " (10.16 cm)

3.5 " (8.89 cm)

Resolution

480x800 px

320x480 px

Pixel Density

233 ppi

165 ppi

Screen to Body Ratio (calculated)

48.07 %

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen

Design
Size Compare
Colours

White

Black

Camera
Main Camera
Camera Setup

Single

Single

Resolution

3.2 MP, Primary Camera

3.2 MP, Primary Camera

Sensor

CMOS image sensor

Flash

, LED Flash

Image Resolution

2048 x 1536 Pixels

2048 x 1536 Pixels

Camera Features

Digital Zoom

Touch to focus

Video Recording

30 fps
640x480 @ 380 fps

Front Camera
Camera Setup

Single

Single

Resolution

1.3 MP, Primary Camera

0.3 MP, Primary Camera

Battery
Capacity

1400 mAh

1200 mAh

Type

Li-ion

Li-ion

Storage
Internal Memory

4 GB

4 GB

Expandable Memory

, Up to 32 GB

, Up to 32 GB

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Network Support

5G Not Supported in India, 3G, 2G

5G Not Supported in India, 3G, 2G

SIM 1

3G Bands:
UMTS 2100 MHz
2G Bands:
GSM 1800 / 900 MHz
GPRS:
Available
EDGE:
Available

3G Bands:
UMTS 2100 MHz
2G Bands:
GSM 1800 / 900 MHz
3G Speed:
HSDPA 7.2 Mbit/s ↓
GPRS:
Available
EDGE:
Available

SIM 2

2G Bands:
GSM 1800 / 900 MHz

2G Bands:
GSM 1800 / 900 MHz
GPRS:
Available

Wi-Fi

, Wi-Fi 4 (802.11 b/g/n)

, Wi-Fi 4 (802.11 b/g/n)

Wi-Fi Features

Mobile Hotspot

Bluetooth

GPS

USB Connectivity

microUSB 2.0

Mass storage device, USB charging, microUSB 2.0

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Sensors
Other Sensors

Accelerometer

Proximity sensor, Accelerometer