Lava Iris Atom X vs Lava Kkt 51

Key Specs

Battery
Battery	1400 mAh	1450 mAh
Display
Display	4.0 inches (10.16 cm)	3.2 inches (8.13 cm)
Front Camera
Front Camera	0.3 MP	-
Processor
Processor	Spreadtrum SC7715	-
RAM
RAM	256 MB	-
Rear Camera
Rear Camera	2 MP	0.3 MP

Battery

Capacity
Capacity	1400 mAh	1450 mAh
Removable
Removable	Yes	-
Type
Type	Li-ion	Li-ion

Camera

Camera Features
Camera Features	-	Digital Zoom Smile detection
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes
Resolution
Resolution	-	0.3 MP Primary Camera
Shooting Modes
Shooting Modes	-	Continuous Shooting

Design

Colours
Colours	Black, White	White with Brown
Height
Height	125.5 mm	112.2 mm
Thickness
Thickness	9.7 mm	13.80 mm
Width
Width	63.4 mm	60.4 mm

Display

Display Type
Display Type	TFT	LCD
Pixel Density
Pixel Density	233 ppi	125 ppi
Resolution
Resolution	480x800 px	-
Screen Size
Screen Size	4.0 inches (10.16 cm)	3.2 inches (8.13 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	57.24 %	46.83 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen	Yes, Resistive Touchscreen

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Front Camera

Flash
Flash	No	-
Resolution
Resolution	0.3 MP, Primary Camera	-

General

Brand
Brand	Lava	-
Launch Date
Launch Date	December 22, 2015 (Official)	-
Operating System
Operating System	Android v4.4.2 (Kitkat)	-

Main Camera

Camera Features
Camera Features	Digital Zoom	-
Camera Setup
Camera Setup	Single	-
Flash
Flash	Yes, LED Flash	-
Image Resolution
Image Resolution	1600 x 1200 Pixels	-
OIS
OIS	No	-
Resolution
Resolution	2 MP, Primary Camera	-

Multimedia

Audio Jack
Audio Jack	3.5 mm	-
FM Radio
FM Radio	Yes, Recording option	Yes, FM Alarm
Fm Radio
FM Radio	-	Yes, FM Alarm
Loudspeaker
Loudspeaker	Yes	-
Music
Music	-	Yes, Music Formats: Yes, Music Formats : MP3, MIDI, AMR, WAV, AAC with Sound Recording, Loud Speaker, 3.5mm Audio Jack

Network & Connectivity

Bluetooth
Bluetooth	Yes, v2.1	Yes
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 2G
SIM 1
SIM 1	3G Bands: UMTS 2100 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

Performance

CPU
CPU	Single core, 1 GHz, Cortex A7	-
Chipset
Chipset	Spreadtrum SC7715	-
Graphics
Graphics	Mali-400	-

Sensors

Browser
Browser	-	Yes
Email
Email	-	Yes, Push e-mail
Fingerprint Sensor
Fingerprint Sensor	No	-
Java
Java	-	Yes
MMS
MMS	-	Yes
Mms
Mms	-	Yes
Other Facilities
Other Facilities	-	Calculator, Alarm Clock, Privacy Support
Other Sensors
Other Sensors	Accelerometer	-
Phone Book
Phone Book	-	Yes, 2000 Entries, Phonebook Backup
SMS
SMS	-	Yes, SMS Backup
Sms
Sms	-	Yes, SMS Backup

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 16 GB
Internal Memory
Internal Memory	512 MB	-