Phone Comparison - ZTE Avid 4G vs Karbonn A21

ZTE Avid 4G
zte avid 4g
Karbonn A21
karbonn a21
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general General Info

Manufacturer ZTE Karbonn
Announced December 2012 2012
Status Available - December 2012 Available
Colors Black Pearl White
Form Factor Candybar Candybar
Dimension 124 x 65.5 x 11.9 mm
(4.88 x 2.58 x 0.47 in)
-
Weight 148.8 g (5.22.0.28 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 1700 / 2100 -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.0 (Ice Cream Sandwich)
Processor Dual-core 1.2 GHz [Similar] Dual-core 1.2 GHz [Similar]
GPU - -
RAM 512 MB [Browse Similar] 512 MB [Browse Similar]
Internal Memory 4 GB (2.3 GB user available) 4 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen TFT capacitive touchscreen
Colors 256K 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 56.19% -
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

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

connectivity 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, with A2DP Yes, v2.1 with A2DP
Wi-Fi Yes 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

memory User Memory

Internal 4 GB (2.3 GB user available), 512 MB RAM 4 GB, 512 MB RAM
Expandable Storage microSD, up to 32 GB 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 1730 mAh 1800 mAh
Stand by Up to 260 h Up to 200 h
Talk Time Up to 4 h Up to 5 h