Karbonn A51 Plus vs Karbonn K9 Smart Yuva

Key Specs

Battery
Battery	1100 mAh	2300 mAh
Display
Display	3.5 inches (8.89 cm)	4.5 inches (11.43 cm)
Front Camera
Front Camera	0.3 MP	2 MP
RAM
RAM	-	1 GB
Rear Camera
Rear Camera	3.2 MP	5 MP

Battery

Capacity
Capacity	1100 mAh	2300 mAh
Standby time
Standby Time	-	Up to 240 Hours(2G)
TalkTime
TalkTime	-	Up to 8 Hours(2G)
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	-	No

Camera

Camera Features
Camera Features	Digital Zoom	-
Camera Setup
Camera Setup	Single	-
Flash
Flash	Yes, LED Flash	-
Image Resolution
Image Resolution	2048 x 1536 Pixels	-
Resolution
Resolution	0.3 MP, Primary Camera	-

Design

Colours
Colours	Black, White	Black, White, Coffee
Height
Height	132 mm	145 mm
Thickness
Thickness	9.25 mm	11 mm
Weight
Weight	-	174 grams
Width
Width	67.5 mm	72 mm

Display

Display Type
Display Type	LCD	TFT
Pixel Density
Pixel Density	165 ppi	218 ppi
Resolution
Resolution	-	480x854 px
Screen Size
Screen Size	3.5 inches (8.89 cm)	4.5 inches (11.43 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	40.94 %	53.35 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen	Yes, Capacitive Touchscreen

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Front Camera

Flash
Flash	-	No
Resolution
Resolution	-	2 MP, Primary Camera

General

Brand
Brand	Karbonn	Karbonn
Launch Date
Launch Date	May 28, 2014 (Official)	August 21, 2017 (Official)
Operating System
Operating System	Android v4.2 (Jelly Bean)	Android v7.0 (Nougat)

Main Camera

Autofocus
Autofocus	-	No
Camera Features
Camera Features	-	Digital Zoom
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, LED Flash
Image Resolution
Image Resolution	-	2592 x 1944 Pixels
Resolution
Resolution	-	5 MP, Primary Camera
Shooting Modes
Shooting Modes	-	Continuous Shooting

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Fm Radio
FM Radio	Yes	-
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes	Yes
GPS
GPS	-	Yes
NFC
NFC	-	No
Network Support
Network Support	5G Not Supported in India, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 900 MHz	2G Bands: GSM 1800 / 900 MHz
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	-	microUSB 2.0
VoLTE
VoLTE	-	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	-	Mobile Hotspot

Performance

CPU
CPU	Dual core, 1.3 GHz	Quad core, 1.3 GHz
Ram
RAM	256 MB	-

Sensors

Fingerprint Sensor
Fingerprint Sensor	-	No
Other Sensors
Other Sensors	Accelerometer	Accelerometer

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 32 GB
Internal Memory
Internal Memory	512 MB	8 GB