Phone Comparison - HTC One X AT&T vs Karbonn A21

HTC One X AT&T
htc one x at&t
Karbonn A21
karbonn a21
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general General Info

Manufacturer HTC Karbonn
Announced February 2012 2012
Status Available - May 2012 Available
Colors Gray, White Pearl White
Form Factor Candybar Candybar
Dimension 134.8 x 69.9 x 8.9 mm
(5.31 x 2.75 x 0.35 in)
-
Weight 129 g (4.55 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 MHz Class 17 / 1700 / 2100 -
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich), upgradable to v4.1 (Jelly Bean) Android OS, v4.0 (Ice Cream Sandwich)
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon [Similar] Dual-core 1.2 GHz [Similar]
GPU Adreno 225 [Similar] -
RAM 1 GB [Browse Similar] 512 MB [Browse Similar]
Internal Memory 16 GB storage 4 GB
External Memory No microSD, up to 32 GB

display Display

Type Super IPS LCD2 capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 256K colors
Size 4.7 inches [Similar] 4.5 inches [Similar]
Resolution 720 x 1280 pixels (312 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
Screen-to-Body Ratio 64.82% -
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 8 MP, 3264x2448 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash LED flash LED flash
Features Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging, Face Detection
Video Yes, 1080p@30fps, stereo sound rec., video stabilization Yes
Front Camera Yes, 1.3 MP, 720p [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, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 7.2 Mbps
Bluetooth Yes, v4.0 with A2DP Yes, v2.1 with A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n
USB Yes, microUSB v2.0 (MHL) Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support
Browser HTML5, Adobe Flash HTML

memory User Memory

Internal 16 GB storage, 1 GB RAM 4 GB, 512 MB RAM
Expandable Storage No 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 supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery Li-Ion Battery
Capacity 1800 mAh 1800 mAh
Stand by Up to 300 h Up to 200 h
Talk Time Up to 8 h 30 min Up to 5 h