Compare Micromax Bolt A27 vs Micromax Bolt A51

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SummarySummary 66 Score 62 Score
Performance Mediatek MT6577
Android OS, v2.3
Mediatek MT6577
Android OS, v2.3.7
Display 3.5 inches
320 pixels
165 PPI Density
3.5 inches
320 pixels
165 PPI Density
Camera 0.64 MP (Main) 2 MP (Main)
Battery No
Li-Ion
1500 mAh
Li-Ion
DisplayDisplay
Screen Size 3.5 inches 3.5 inches
Screen Resolution 320x480 pixels 320x480 pixels
Pixel Density 165 PPI 165 PPI
Display Type TFT touchscreen TFT touchscreen
ChipsetChipset
Brand Micromax Micromax
Chipset Mediatek MT6577 Mediatek MT6577
Processor 1 GHz 832 MHz
RAM
GPU PowerVR SGX531u PowerVR SGX531u
CameraCamera
Rear Camera Resolution 0.64 MP 2 MP
Front Camera Resolution
Dual Camera
Video
Camera Features Flash
GeneralGeneral
Operating System Android Android
OS Version Android OS, v2.3 Android OS, v2.3.7
Weight 89 g 118 g
Dimensions 116.2 x 62 x 13.2 mm 118.5 x 62.5 x 12.8 mm
Thickness
StorageStorage
Internal Storage 0 GB 0 GB
Card Slot microSD, up to 16 GB microSD, up to 32 GB
Other   256GB RAM
CommunicationCommunication
SIM Card Slots Dual SIM Dual SIM
SIM Card Type Normal-SIM Normal-SIM
Bluetooth 2.1 v3.0
3.5 mm Jack Yes Yes
NFC No No
ConnectivityConnectivity
2G
GSM 900 / 1800 - SIM 1 & SIM 2
GSM 900 / 1800 - SIM 1 & SIM 2
3G
HSDPA 2100
4G
Wi-Fi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 b/g/n, hotspot
GPS
No
No
GPRS
EDGE
Radio
BatteryBattery
Battery Capacity No 1500 mAh
Battery Type Li-Ion Li-Ion
Standby Time Up to 260 h Up to 140 h
Talk Time Up to 4 h 30 min Up to 4 h 30 min
Other FeaturesOther Features
Fingerprint Scanner
Waterproof
Sensors Accelerometer
Messaging SMS(threaded view), MMS, Email, Push Email, IM SMS(threaded view), MMS, Email, Push Email, IM
Java Yes, via Java MIDP emulator Yes, via Java MIDP emulator
Other MP3/WAV/AAC+ player , MP4/H.264/WMV player , Document viewer , Photo viewer MP3/WAV/AAC+ player , MP4/H.264/WMV player , Document viewer , Photo viewer
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