Chilli B51 vs Micromax Canvas Knight Cameo A290

Key Specs

Battery
Battery	2800 mAh	2000 mAh
Display
Display	2.8 inches (7.11 cm)	4.7 inches (11.94 cm)
Front Camera
Front Camera	0.3 MP	5 MP
Processor
Processor	-	MediaTek MT6592M
Rear Camera
Rear Camera	0.3 MP	8 MP

Battery

Capacity
Capacity	2800 mAh	2000 mAh
Removable
Removable	-	No
Standby time
Standby Time	-	Up to 180 Hours(2G)
TalkTime
TalkTime	-	Up to 7 Hours(2G)
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	-	No

Camera

Autofocus
Autofocus	-	Yes
Camera Features
Camera Features	-	Fixed Focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	-	Yes, LED Flash
Image Resolution
Image Resolution	640 x 480 Pixels	3264 x 2448 Pixels
Resolution
Resolution	0.3 MP Front Camera	5 MP, Primary Camera
Video Recording
Video Recording	-	1280x720 fps

Design

Colours
Colours	Black, Grey, White	Black, White
Height
Height	132.5 mm	-
Thickness
Thickness	17.5 mm	-
Width
Width	56 mm	-

Display

Display Type
Display Type	TFT	IPS LCD
Pixel Density
Pixel Density	143 ppi	312 ppi
Screen Resolution
Screen Resolution	240 x 320 pixels	-
Screen Size
Screen Size	2.8 inches (7.11 cm)	4.7 inches (11.94 cm)
Screen To Body Ratio Calculated
Screen To Body Ratio Calculated	32.72 %	-
Touch Screen
Touch Screen	-	Yes, Capacitive Touchscreen, Multi-touch

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General

Brand
Brand	-	Micromax
Launch Date
Launch Date	-	August 14, 2014 (Official)
Operating System
Operating System	-	Android v4.4.2 (KitKat)

Multimedia

Audio Jack
Audio Jack	-	3.5 mm
FM Radio
FM Radio	Yes	Yes
Fm Radio
FM Radio	Yes	Yes
Loudspeaker
Loudspeaker	Yes	Yes
Music
Music	Yes, Music Formats: MP3	-
Ring Tone
Ring Tone	Music ringtones, Polyphonic ringtones, Vibration	-
Special Features
Special Features	Torch Light, Auto Call Recording, Mobile Tracker	-
Video Player
Video Player	Yes, Video Formats: 3GP, MP4	-
Video player
Video player	Yes, Video Formats: 3GP, MP4	-

Network & Connectivity

Bluetooth
Bluetooth	Yes	Yes, v4.0
GPS
GPS	-	Yes with A-GPS
NFC
NFC	-	No
Network Support
Network Support	5G Not Supported in India, 2G	5G Not Supported in India, 3G, 2G
SIM 1
SIM 1	2G Bands: GSM 1800 / 900 MHz GPRS: Available	3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 21 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 900 MHz	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	-	microUSB 2.0
Wi-Fi
Wi-Fi	-	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	-	Mobile Hotspot

Performance

CPU
CPU	-	Octa core, 1.4 GHz, Cortex A7
Chipset
Chipset	-	MediaTek MT6592M
Graphics
Graphics	-	Mali-450 MP4
Ram
RAM	-	1 GB

Sensors

Fingerprint Sensor
Fingerprint Sensor	-	No
Other Sensors
Other Sensors	-	Light sensor, Proximity sensor, Accelerometer, Compass

Smart TV Features

Camera
Camera	0.3 MP	-

Special Features

Browser
Browser	Yes, WAP	-
Games
Games	Yes	-
Other Facilities
Other Facilities	Calculator, Stopwatch, Calendar, Alarm	-
Phone Book
Phone Book	Yes, Limited	-

Storage

Expandable Memory
Expandable Memory	Yes, Up to 16 GB	Yes, Up to 32 GB
Internal Memory
Internal Memory	-	8 GB
USB OTG
USB OTG	-	No
User Available Storage
User Available Storage	-	Up to 5.64 GB