Riviera Mobile R21

Micromax Bolt A28

Price
Not Available Rs. 3,099.00
Capacity
950 mAH, Li-ion 1500 mAH, Li-ion

57.9% more mAH battery than Micromax Bolt A28. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-ion vs. 950 mAH, Li-ion)

TalkTime
Up to 3.83 Hours(2G) Up to 4 Hours(2G)
Stand By Time
Up to 260 Hours(2G)
Main Camera
3.2 MP

966.7% more mega pixels (MP) on main camera than Micromax Bolt A28. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (3.2 MP vs. 0.3 MP)

0.3 MP
Front Camera
0.3 MP 0.3 MP
Zoom
Digital Zoom Digital Zoom
Camera Features
Smile detection, White balance presets, Multi Shot
Operating Frequency
GSM 1800 / 900 MHz | GSM 1800 / 900 MHz
GPRS
Yes Yes
EDGE
No Yes
Wi-Fi
Wi-Fi 802.11 Wi-Fi 802.11
Bluetooth
Yes Yes
USB Connectivity
USB Port USB Port
Weight
230 grams 89 grams

141.0 grams Lighter than Micromax Bolt A28. light weight phone is easy to hold and can kept in your pocket for long time. (89 grams vs. 230 grams)

Dimensions
101.5 x 57.6 x 11.50 mm

1.0 mm Thinner than Micromax Bolt A28. Slim mobile phone is easy to handle and looks gorgeous in hand. (101.5 x 57.6 x 11.50 mm vs. 116.9 x 62.5 x 12.5 mm)

116.9 x 62.5 x 12.5 mm
Screen Size
2 Inch 3.5 Inch

75.0% bigger screen size than Micromax Bolt A28. The bigger the screen size is better the user experience of reading and watching movie or video songs. (3.5 Inch vs. 2 Inch)

Colours
Black,Grey Black
Touch Screen
Capacitive Touchscreen
Display Type
TFT
Screen Resolution
176 x 220 pixels 320 x 480 pixels
Pixel Density (sharpness)
141 ppi 165 ppi

17.0% Higher pixel density than Micromax Bolt A28. High pixel density shows sharper text and extremely detailed photos and videos. (165 ppi vs. 141 ppi)

Box Contents
Handset, Battery, Charger, Earphone, USB Cable, User Manual Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
GPS
with A-GPS
Operating System
Android v2.3 (Gingerbread)
OS Type
Android
Brand
Riviera Mobile Micromax
Model
R21 Bolt A28
SIM Slot(s)
Dual SIM, GSM+GSM Dual SIM, GSM+GSM
FM Radio
Scheduled FM Recording Recording option
Loudspeaker
Yes
Audio Jack
3.5 mm
Processor
1 GHz, Cortex A5
RAM
256 MB 256 MB
Internal Memory
1 GB 512 MB
Expandable Memory
Up to 8 GB Up to 32 GB
Popular Mobile Comparison
  
VS
Compare