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Karbonn A21 vs Alcatel One Touch Idol X

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Rs. 9,899
(Out of Stock)

 

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Compare Alcatel One Touch Idol X

Rs. 7,999
(Discontinued)

 

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Summary
38%
Performance

Snapdragon S4 Play

512 MB RAM

MediaTek

2 GB RAM

Display

4.5" (11.43 cm)

480x800 px

5" (12.7 cm)

1080x1920 px (FULL HD)

Rear Camera

5 MP

Single Camera

13.1 MP

Single Camera

Front Camera

1.3 MP

Single Camera

2.1 MP

Single Camera

Battery

1800 mAh

5 h talktime (2G)

2000 mAh

12 h talktime (3G)

Storage

4 GB

32 GB (Expandable)

16 GB

32 GB (Expandable)

Expert Rating
User Ratings

★★★★★
★★★★★

3.8/5 based on 318 ratings

★★★★★
★★★★★

2.9/5 based on 7 ratings

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Alcatel One Touch Idol X is permanently discontinued.
General
Launch Date

October 11, 2012 (Official)

Operating System

Android v4 (Ice Cream Sandwich)

Android v4.2.1 (Jelly Bean)

Performance
Poor
Chipset

Qualcomm Snapdragon S4 Play MSM8225

MediaTek

CPU

Dual core, 1.2 GHz, Cortex A5

Quad core, 1.5 GHz

Graphics

Adreno 203

PowerVR SGX 544

RAM

512 MB

2 GB

Display
Below Average
Display Type

IPS LCD

Screen Size

5 " (12.7 cm)

Resolution

1080x1920 px (FULL HD)

Pixel Density

441 ppi

Screen to Body Ratio (calculated)

84.98 %

72.68 %

Screen Protection

Touch Screen

, Capacitive Touchscreen, Multi-touch

Design
Size Compare
Size Compare
Dimensions

Height: 112 mm
Width: 60.5 mm
Thickness: 11.5 mm

Height: 140.4 mm
Width: 67.5 mm
Thickness: 6.9 mm

Weight

104 grams

130 grams

Colours

Black

Black, Blue, Red, Yellow

Camera
Main Camera
Camera Setup

Single

Single

Resolution

5 MP, Primary Camera

13.1 MP, Primary Camera

Autofocus

Flash

, LED Flash

, LED Flash

Image Resolution

2592 x 1944 Pixels

4128 x 3096 Pixels

Shooting Modes

High Dynamic Range mode (HDR)

Camera Features

Digital Zoom

Digital Zoom
Face detection
Touch to focus

Video Recording

1920x1080 @ 30 fps

Front Camera
Poor
Camera Setup

Single

Single

Resolution

1.3 MP, Primary Camera

2.1 MP, Primary Camera

Camera Features

Fixed Focus

Battery
Average
Capacity

1800 mAh

2000 mAh

Type

Li-ion

Li-ion

TalkTime

Up to 5 Hours(2G)

Up to 12 Hours(3G) / Up to 20 Hours(2G)

Standby time

Up to 200 Hours(2G)

Up to 240 Hours(3G) / Up to 320 Hours(2G)

Storage
Good
Internal Memory

4 GB

16 GB

Expandable Memory

, Up to 32 GB

, Up to 32 GB

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Single SIM, 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 / 1900 / 900 MHz
3G Speed:
HSDPA 7.2 Mbit/s ↓
GPRS:
Available
EDGE:
Available

3G Bands:
UMTS 2100 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
3G Speed:
HSDPA 42 Mbit/s ↓
GPRS:
Available
EDGE:
Available

SIM 2

2G Bands:
GSM 1800 / 1900 / 900 MHz

SAR Value

Head: 0.264 W/kg, Body: 0.584 W/kg

Wi-Fi

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

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

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Bluetooth

, v2.1

, v4.0

GPS

with A-GPS

USB Connectivity

USB 2.0, microUSB 2.0

microUSB 2.0

Multimedia
FM Radio

, RDS

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Sensors
Other Sensors

Accelerometer

Light sensor, Proximity sensor, Accelerometer, Compass

Applications

Document Viewer