Karbonn Aura Sleek 4g vs Lava Iris Atom 2

Key Specs

Battery
2000 mAh	1750 mAh
Display
5.0 inches (12.7 cm)	4.5 inches (11.43 cm)
Front Camera
2 MP	0.3 MP
Processor
MediaTek MT6737M	Spreadtrum SC7731G
RAM
1 GB	512 MB
Rear Camera
5 MP	5 MP

Battery

Capacity
2000 mAh	1750 mAh
Removable
Yes	Yes
Standby Time
Up to 130 Hours(2G)	Up to 161 Hours(2G)
Standby time
Up to 130 Hours(2G)	Up to 161 Hours(2G)
TalkTime
Up to 4 Hours(4G) / Up to 8 Hours(2G)	Up to 6.5 Hours(3G) / Up to 16 Hours(2G)
Type
Li-ion	Li-ion
USB Type-C
No	-

Design

Colours
Grey, Champagne	Black, White
Height
145.6 mm	134 mm
Thickness
8.8 mm	9.1 mm
Weight
174 grams	130 grams
Width
71.5 mm	66 mm

Display

Display Type
TFT	TFT
Pixel Density
196 ppi	218 ppi
Resolution
480x854 px	480x854 px
Screen Size
5.0 inches (12.7 cm)	4.5 inches (11.43 cm)
Screen to Body Ratio (calculated)
66.05 %	62.98 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

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

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General

Brand
Karbonn	Lava
Launch Date
March 17, 2017 (Official)	August 13, 2015 (Official)
Operating System
Android v6.0 (Marshmallow)	Android v4.4 (Kitkat)

Main Camera

Autofocus
Yes	Yes
Camera Features
Digital Zoom Face detection Smile detection	Digital Zoom Auto Flash Digital image stabilization Face detection Touch to focus
Camera Setup
Single	Single
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
2592 x 1944 Pixels	2592 x 1944 Pixels
Resolution
5 MP, Primary Camera	5 MP, Primary Camera
Sensor
-	CMOS image sensor
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
-	1280x720 fps

Multimedia

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

Network & Connectivity

Bluetooth
Yes	Yes
GPS
Yes with A-GPS	Yes
NFC
No	-
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 3G, 2G
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 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	3G Bands: UMTS 2100 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available
SIM 2
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	2G Bands: GSM 1800 / 900 MHz
SIM Size
SIM1: Micro	-
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging, microUSB 2.0	microUSB 2.0
VoLTE
Yes	-
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Mobile Hotspot	Mobile Hotspot

Performance

CPU
Quad core, 1.25 GHz, Cortex A53	Quad core, 1.3 GHz, Cortex A7
Chipset
MediaTek MT6737M	Spreadtrum SC7731G
Graphics
Mali-T720 MP1	Mali-400 MP2
RAM
1 GB	512 MB Below

Sensors

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

Storage

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