PhoneBunch

Motorola Electrify M XT905 vs Karbonn A21

General Info

Manufacturer
Motorola Karbonn
Announced
November 2012 2012
Status
Available - November 2012 Available
Colors
Black/Gray Pearl White
Form Factor
Candybar Candybar
Dimension
123.2 x 61.5 x 8.6 mm
(4.85 x 2.42 x 0.34 in)
-
Weight
111.1 g (3.92.0.04 oz) -
2G Network
CDMA 800 / 1700 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
CDMA2000 1xEV-DO HSDPA 2100
4G Network
LTE 700 MHz Class 17 / 1700 / 2100 -
Messaging
SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

Display

Type
Super AMOLED Advanced capacitive touchscreen TFT capacitive touchscreen
Colors
16M colors 256K colors
Size
4.3 inches [Similar] 4.5 inches [Similar]
Resolution
540 x 960 pixels (256 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
Screen-to-Body Ratio
67.35% -
Multi-Touch

Hardware and OS

OS
Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.0 (Ice Cream Sandwich)
Processor
Dual-core 1.5 GHz [Similar] Dual-core 1.2 GHz [Similar]
GPU
- -
RAM
1 GB [Browse Similar] 512 MB [Browse Similar]
Internal Memory
8 GB (5 GB user available) 4 GB
External Memory
microSD, up to 32 GB microSD, up to 32 GB

Camera

Rear Camera
8 MP, 3264x2448 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash
LED flash LED flash
Features
Auto focus, Geo-tagging, Face Detection, Image Stabilization, HDR Auto focus, Geo-tagging, Face Detection
Video
Yes, 1080p@30fps Yes
Front Camera
Yes, VGA [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
Rev.A, up to 3.1 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 7.2 Mbps
Bluetooth
Yes, v4.0 with A2DP, LE, EDR Yes, v2.1 with A2DP
Wi-Fi
Wi-Fi 802.11 a/b/g/n, dual-band, 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 and GLONASS Yes, with A-GPS support
Browser
HTML5 HTML

User Memory

Internal
8 GB (5 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
2000 mAh 1800 mAh
Stand by
Up to 432 h (3G) Up to 200 h
Talk Time
Up to 16 h 40 min (3G) Up to 5 h
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