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Karbonn A21 vs Karbonn S1 Titanium

General Info

Manufacturer
Karbonn Karbonn
Announced
2012 January 2013
Status
Available Available - January 2013
Colors
Pearl White Black, White
Form Factor
Candybar Candybar
Dimension
- 134.6 x 66 x 9.3 mm
(5.3 x 2.6 x 0.37 in)
Weight
- -
2G Network
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 2100 HSDPA 2100
Messaging
SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

Display

Type
TFT capacitive touchscreen IPS LCD capacitive touchscreen
Colors
256K colors 16M colors
Size
4.5 inches [Similar] 4.5 inches [Similar]
Resolution
480 x 800 pixels (207 ppi) [Similar] 540 x 960 pixels (245 ppi) [Similar]
Screen-to-Body Ratio
- 62.72%
Multi-Touch

Hardware and OS

OS
Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.1 (Jelly Bean)
Processor
Dual-core 1.2 GHz [Similar] Quad-core 1.2 GHz [Similar]
GPU
- -
RAM
512 MB [Browse Similar] 1 GB [Browse Similar]
Internal Memory
4 GB 4 GB
External Memory
microSD, up to 32 GB microSD, up to 32 GB

Camera

Rear Camera
5 MP, 2592х1944 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash
LED flash LED flash
Features
Auto focus, Geo-tagging, Face Detection Auto focus, Geo-tagging
Video
Yes Yes
Front Camera
Yes, 1.3 MP [Similar] Yes [Similar]

Multimedia

3.5mm Jack
Radio
No FM radio
Games
Yes + Downloadable Yes + Downloadable
Loud Speaker

Connectivity and Data Rate

GPRS
Yes Yes
Edge
Yes Yes
3G
HSDPA, 7.2 Mbps HSDPA
Bluetooth
Yes, v2.1 with A2DP Yes, with A2DP
Wi-Fi
Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB
Yes, microUSB v2.0 Yes, microUSB v2.0
GPS
Yes, with A-GPS support Yes, with A-GPS support
Browser
HTML HTML

User Memory

Internal
4 GB, 512 MB RAM 4 GB, 1 GB RAM
Expandable Storage
microSD, up to 32 GB microSD, up to 32 GB

Sensors

Fingerprint
Proximity Sensor
Accelerometer Sensor
NFC

Battery

Type
Li-Ion Battery Li-Ion Battery
Capacity
1800 mAh 1600 mAh
Stand by
Up to 200 h Up to 200 h
Talk Time
Up to 5 h Up to 4 h
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