Karbonn K9 Kavach 4g vs Lemon Duo 339

Key Specs

Battery
Battery	2300 mAh	2000 mAh
Display
Display	5.0 inches (12.7 cm)	2 inches (5.08 cm)
Front Camera
Front Camera	5 MP	-
Processor
Processor	MediaTek MT6737M	-
RAM
RAM	1 GB	-
Rear Camera
Rear Camera	5 MP	0.3 MP

Battery

Capacity
Capacity	2300 mAh	2000 mAh
Standby time
Standby Time	Up to 300 Hours(2G)	Up to 720(2G)
TalkTime
TalkTime	Up to 10 Hours(2G)	Up to 8(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
Resolution
Resolution	-	0.3 MP Primary Camera

Design

Colours
Colours	Black, Champagne,Coffee	Black with Red
Height
Height	146 mm	110 mm
Thickness
Thickness	9.6 mm	16.50 mm
Weight
Weight	161.3 grams	100 grams
Width
Width	75 mm	46 mm

Display

Aspect Ratio
Aspect Ratio	16:9	-
Display Type
Display Type	IPS LCD	LCD
Pixel Density
Pixel Density	294 ppi	-
Resolution
Resolution	720x1280 px (HD)	-
Screen Size
Screen Size	5.0 inches (12.7 cm)	2 inches (5.08 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	62.79 %	-
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	-

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Front Camera

Flash
Flash	Yes, LED Flash	-

General

Brand
Brand	Karbonn	Lemon
Launch Date
Launch Date	July 4, 2017 (Official)	April 8, 2010
Operating System
Operating System	Android v7.0 (Nougat)	-

Main Camera

Autofocus
Autofocus	Yes	-
Camera Features
Camera Features	Digital Zoom Face detection	-
Camera Setup
Camera Setup	Single	-
Flash
Flash	Yes, Dual 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	-
FM Radio
FM Radio	Yes	Yes
Fm Radio
FM Radio	-	Yes
Loudspeaker
Loudspeaker	Yes	-
Music
Music	-	Yes, Music Formats: Yes, MP3 player

Network & Connectivity

Bluetooth
Bluetooth	Yes	Yes
GPS
GPS	Yes with A-GPS	-
NFC
NFC	No	-
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 2G
SAR Value
SAR Value	Head: 0.834 W/kg	-
SIM 1
SIM 1	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	GPRS: Available
SIM 2
SIM 2	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	-
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	No
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	-

Performance

CPU
CPU	Quad core, 1.25 GHz, Cortex A53	-
Chipset
Chipset	MediaTek MT6737M	-
Graphics
Graphics	Mali-T720 MP2	-

Sensors

Browser
Browser	-	Yes
Fingerprint Sensor
Fingerprint Sensor	Yes	-
Fingerprint Sensor Position
Fingerprint Sensor Position	Rear	-
Java
Java	-	No
MMS
MMS	-	Yes
Mms
Mms	-	Yes
Other Facilities
Other Facilities	-	Voice recorder, PC Synchronization, Work as Modem, Alarm clock, World clock, Stopwatch, Calculator
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer	-
Phone Book
Phone Book	-	1000 Entries
SMS
SMS	-	Yes, SMS Storage 500
Sms
Sms	-	Yes, SMS Storage 500

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 2 GB
Internal Memory
Internal Memory	8 GB	190 KB
USB OTG
USB OTG	Yes	-
User Available Storage
User Available Storage	Up to 3.59 GB	-