Phone Comparison - Karbonn Smart A12 Star vs Karbonn Smart A11 Star vs Xiaomi Mi 3

general General Info

Manufacturer Karbonn Karbonn Xiaomi
Announced June 2014 June 2014 September 2013
Status Available - June 2014 Available - June 2014 Available - December 2013
Colors White, Black White, Black Various
Form Factor Candybar Candybar Candybar
Dimension 124.2 x 64.2 x 10.1 mm
(4.89 x 2.53 x 0.4 in)
129.9 x 69 x 9.4 mm
(5.11 x 2.72 x 0.37 in)
144 x 73.6 x 8.1 mm
(5.67 x 2.9 x 0.32 in)
Weight 130 g (4.59 oz) 120 g (4.23 oz) 145 g (5.11 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v4.4 (KitKat) optimized with MIUI version 5
Processor Dual-core 1.2 GHz, MTK 6572 Dual-core 1.2 GHz, MTK 6572 Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800
GPU Mali-400MP Mali-400MP Adreno 330
RAM 512 MB 512 MB 2 GB
Internal Memory 4 GB (2.4 GB internal storage) 4 GB (2.4 GB internal storage) 16/64 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB No

display Display

Type IPS LCD Capacitive Touchscreen, Wide Viewing Angle IPS LCD Capacitive Touchscreen, Wide Viewing Angle IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.3 inches 5.0 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (217 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 57.23% 58.70% 64.90%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 5 MP, 2592х1944 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash dual-LED flash
Features Geo-tagging, Face Detection, Panorama Auto-focus, Geo-tagging, Face Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR
Video Yes, 720p Yes, 720p 1080p@30fps, HDR
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] 2 MP, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v2.0 A2DP, EDR Yes, v2.0 A2DP, EDR v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0 (MHL), USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB (2.4 GB internal storage), 512 MB RAM 4 GB (2.4 GB internal storage), 512 MB RAM 16/64 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB No
USB OTG - - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Non-removable Li-Ion Battery
Capacity 1400 mAh 1400 mAh 3050 mAh
Stand by Up to 300 h (2G) Up to 250 h (2G) Up to 500 h
Talk Time - - Up to 4 h