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Karbonn A21 vs Spice Mi-491 Stellar Virtuoso Pro

General Info

Manufacturer
Karbonn Spice
Announced
2012 June 2013
Status
Available Available - July 2013
Colors
Pearl White Black
Form Factor
Candybar Candybar
Dimension
- 135 x 68 x 9.9 mm
(5.31 x 2.68 x 0.39 in)
Weight
- 143 g (5.04 oz)
2G Network
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network
HSDPA 2100 HSDPA 2100
Messaging
SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

Display

Type
TFT capacitive touchscreen TFT capacitive touchscreen
Colors
256K colors 16M colors
Size
4.5 inches [Similar] 4.5 inches [Similar]
Resolution
480 x 800 pixels (207 ppi) [Similar] 480 x 854 pixels (218 ppi) [Similar]
Screen-to-Body Ratio
- 60.62%
Multi-Touch

Hardware and OS

OS
Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.1 (Jelly Bean)
Processor
Dual-core 1.2 GHz [Similar] Dual-core 1 GHz, MediaTek MT6577 [Similar]
GPU
- PowerVR SGX531 [Similar]
RAM
512 MB [Browse Similar] 512 MB [Browse Similar]
Internal Memory
4 GB 4 GB
External Memory
microSD, up to 32 GB microSD, up to 32 GB

Camera

Rear Camera
5 MP, 2592х1944 pixels [Similar] 5 MP, 2592 х 1944 pixels [Similar]
Flash
LED flash LED flash
Features
Auto focus, Geo-tagging, Face Detection Autofocus, Zoom, Night vision
Video
Yes Yes
Front Camera
Yes, 1.3 MP [Similar] Yes, 1.3 MP [Similar]

Multimedia

3.5mm Jack
Radio
No FM radio
Games
Yes + Downloadable Yes + Downloadable
Loud Speaker

Connectivity and Data Rate

GPRS
Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
Edge
Yes Class 12
3G
HSDPA, 7.2 Mbps HSDPA, HSUPA
Bluetooth
Yes, v2.1 with A2DP Yes, v3.0
Wi-Fi
Wi-Fi 802.11 b/g/n Yes
USB
Yes, microUSB v2.0 Yes, microUSB
GPS
Yes, with A-GPS support A-GPS support only
Browser
HTML HTML

User Memory

Internal
4 GB, 512 MB 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
Li-Ion Battery Li-Ion Battery
Capacity
1800 mAh 1700 mAh
Stand by
Up to 200 h Up to 210 h
Talk Time
Up to 5 h Up to 5 h
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