Phone Comparison - LG Optimus 4G LTE vs Karbonn A21

LG Optimus 4G LTE
lg optimus 4g lte
Karbonn A21
karbonn a21
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general General Info

Manufacturer LG Karbonn
Announced November 2011 2012
Status Available - November 2011 Available
Colors Black Pearl White
Form Factor Candybar Candybar
Dimension 133.9 x 67.9 x 10.5 mm
(5.27 x 2.67 x 0.41 in)
-
Weight 135 g (4.76 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100 HSDPA 2100
4G Network LTE 700 / 1700 -
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v4.0 (Ice Cream Sandwich)
Processor Dual-core 1.5 GHz [Similar] Dual-core 1.2 GHz [Similar]
GPU -
RAM 1 GB [Browse Similar] 512 MB [Browse Similar]
Internal Memory 2 GB storage 4 GB
External Memory microSD, up to 32GB, 8GB included microSD, up to 32 GB

display Display

Type HD-IPS LCD capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 256K colors
Size 4.5 inches [Similar] 4.5 inches [Similar]
Resolution 720 x 1280 pixels (326 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
Screen-to-Body Ratio 61.54% -
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash LED flash LED flash
Features Auto focus, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging, Face Detection
Video Yes, 1080p Yes
Front Camera Yes, 1.3 MP [Similar] Yes, 1.3 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, 75 Mbps HSDPA, 7.2 Mbps
Bluetooth Yes, v3.0 with A2DP, EDR Yes, v2.1 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n
USB Yes, microUSB (MHL) v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support
Browser HTML, Adobe Flash HTML

memory User Memory

Internal 2 GB storage, 1 GB RAM 4 GB, 512 MB RAM
Expandable Storage microSD, up to 32GB, 8GB included microSD, up to 32 GB

Apps Sensors

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

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery
Capacity 1800 mAh
Stand by Up to 252 h Up to 200 h
Talk Time Up to 3 h Up to 5 h