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Samsung Galaxy Axiom R830 vs Karbonn A21

General Info

Manufacturer
Samsung Karbonn
Announced
November 2012 2012
Status
Released - November 2012 Available
Colors
Blue Pearl White
Form Factor
Candybar Candybar
Dimension
121.7 x 63.8 x 11.9 mm
(4.79 x 2.51 x 0.47 in)
-
Weight
136.1 g (4.8.0.04 oz) -
2G Network
CDMA 800 / 1700 / 1900 / 2100 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
CDMA2000 1xEV-DO HSDPA 2100
4G Network
LTE 700 MHz Class 17 / 850 / 1700 / 1900 / 2100 -
Messaging
SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

Display

Type
TFT capacitive touchscreen TFT capacitive touchscreen
Colors
16M colors 256K colors
Size
4.0 inches [Similar] 4.5 inches [Similar]
Resolution
480 x 800 pixels (233 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
Screen-to-Body Ratio
58.77% -
Multi-Touch

Hardware and OS

OS
Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.0 (Ice Cream Sandwich)
Processor
Dual-core 1.2 GHz Krait, Qualcomm [Similar] Dual-core 1.2 GHz [Similar]
GPU
- -
RAM
1 GB [Browse Similar] 512 MB [Browse Similar]
Internal Memory
4 GB ROM (1.85 GB user available) 4 GB
External Memory
microSD, up to 32 GB microSD, up to 32 GB

Camera

Rear Camera
5 MP, 2592x1944 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash
LED flash LED flash
Features
Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Face Detection
Video
Yes, 720p Yes
Front Camera
Yes, 1.3 MP [Similar] Yes, 1.3 MP [Similar]

Multimedia

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

Connectivity and Data Rate

GPRS
No Yes
Edge
No Yes
3G
EV-DO Rev. A, up to 3.1 Mbps; LTE HSDPA, 7.2 Mbps
Bluetooth
Yes, v4.0 with A2DP Yes, v2.1 with A2DP
Wi-Fi
Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n
USB
Yes, microUSB v2.0 Yes, microUSB v2.0
GPS
Yes, with A-GPS support Yes, with A-GPS support
Browser
HTML5 HTML

User Memory

Internal
4 GB ROM (1.85 GB user available), 1 GB RAM 4 GB, 512 MB RAM
Expandable Storage
microSD, up to 32 GB microSD, up to 32 GB

Sensors

Fingerprint
Proximity Sensor
Accelerometer Sensor
NFC

Battery

Type
Standard battery, Li-Ion Li-Ion Battery
Capacity
2100 mAh 1800 mAh
Stand by
Up to 252 h Up to 200 h
Talk Time
Up to 8 h Up to 5 h
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