Lava Iris X1 Atom S vs Ssky Y777 Fire

Key Specs

Battery
Battery	1400 mAh	2450 mAh
Display
Display	4.0 inches (10.16 cm)	5 inches (12.7 cm)
Front Camera
Front Camera	0.3 MP	2 MP
RAM
RAM	512 MB	1 GB
Rear Camera
Rear Camera	5 MP	5 MP

Battery

Capacity
Capacity	1400 mAh	2450 mAh
Removable
Removable	-	Yes
TalkTime
TalkTime	Up to 6 Hours(3G) / Up to 14 Hours(2G)	-
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	-	No

Design

Colours
Colours	Black, White	Black, Gold
Height
Height	63.4 mm	-
Thickness
Thickness	9.6 mm	-
Weight
Weight	112 grams	-
Width
Width	25.5 mm	-

Display

Display Type
Display Type	TFT	IPS LCD
Pixel Density
Pixel Density	233 ppi	294 ppi
Resolution
Resolution	480x800 px	720x1280 px (HD)
Screen Size
Screen Size	4.0 inches (10.16 cm)	5 inches (12.7 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	281.69 %	-
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Resolution
Resolution	0.3 MP, Primary Camera	2 MP, Primary Camera

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General

Brand
Brand	Lava	SSKY
Launch Date
Launch Date	June 22, 2015 (Official)	June 22, 2018 (Official)
Operating System
Operating System	Android v4.4 (Kitkat)	Android v6.0 (Marshmallow)

Main Camera

Autofocus
Autofocus	No	-
Camera Features
Camera Features	Digital Zoom	Digital Zoom
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	2592 x 1944 Pixels	2592 x 1944 Pixels
OIS
OIS	No	-
Resolution
Resolution	5 MP, Primary Camera	5 MP, Primary Camera
Shooting Modes
Shooting Modes	High Dynamic Range mode (HDR)	-

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes, Recording option
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes	Yes
GPS
GPS	Yes with A-GPS	Yes
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	3G Bands: UMTS 2100 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 900 MHz	2G Bands: GSM 1800 / 850 / 900 MHz GPRS: Available
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB 2.0	Mass storage device, USB charging, microUSB
VoLTE
VoLTE	-	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	-	Mobile Hotspot

Performance

CPU
CPU	Single core, 1 GHz	Quad core, 1.2 GHz

Sensors

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

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 32 GB
Internal Memory
Internal Memory	8 GB	8 GB
USB OTG
USB OTG	-	Yes