Celkon A97i vs Vivo Y71i

Key Specs

Battery
1500 mAh	3360 mAh
Display
4 inches (10.16 cm)	6.0 inches (15.24 cm)
Front Camera
0.3 MP	5 MP
Processor
-	Qualcomm Snapdragon 425 MSM8917
RAM
512 MB	2 GB
Rear Camera
8 MP	8 MP

Battery

Capacity
1500 mAh	3360 mAh
Removable
-	No
Standby time
Up to 350(2G)	-
TalkTime
Up to 9.16(2G)	-
Type
Li-ion	Li-ion
USB Type-C
-	No

Design

Build Material
-	Back: Aluminium
Colours
Black, White	Black, Gold
Height
124 mm	155.8 mm
Thickness
11.00 mm	7.8 mm
Weight
139 grams	150 grams
Width
64 mm	75.7 mm

Display

Aspect Ratio
-	18:9
Bezel-less display
-	Yes
Display Type
LCD	IPS LCD
Pixel Density
233 ppi	268 ppi
Resolution
480x800 px	720x1440 px (HD+)
Screen Size
4 inches (10.16 cm)	6.0 inches (15.24 cm)
Screen to Body Ratio (calculated)
57.33 %	78.77 %
Screen to Body Ratio (claimed by the brand)
-	84.4 %
Touch Screen
Yes, Capacitive Touchscreen	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Features
Fixed Focus	-
Flash
-	Yes, Screen flash
Resolution
0.3 MP, Primary Camera	5 MP f/2.2, Primary Camera

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General

Brand
Celkon	vivo
Custom UI
-	Funtouch OS
Launch Date
September 5, 2012	July 23, 2018 (Official)
Operating System
Android v4 (Ice Cream Sandwich)	Android v8.1 (Oreo)

Main Camera

Autofocus
Yes	Yes
Camera Features
Digital Zoom Smile detection	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Single	Single
Flash
Yes, Smart LED Flash, LED Flash	Yes, LED Flash
Image Resolution
-	3264 x 2448 Pixels
Resolution
8 MP, Primary Camera	8 MP f/2.0, Primary Camera
Sensor
-	CMOS image sensor
Settings
-	Exposure compensation, ISO control
Shooting Modes
Continuous Shooting	Continuous Shooting High Dynamic Range mode (HDR)

Multimedia

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

Network & Connectivity

Bluetooth
Yes	Yes, v4.2
GPS
Yes	Yes with A-GPS, Glonass
Network Support
5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
-	Head: 1.16 W/kg, Body: 0.96 W/kg
SIM 1
3G Speed: HSPA , EV-DO category Rev.A GPRS: Available EDGE: Available	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
-	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
-	Mass storage device, USB charging, microUSB 2.0
VoLTE
-	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 a/b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
-	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
1 GHz, Cortex 8	Quad core, 1.4 GHz, Cortex A53
Chipset
-	Qualcomm Snapdragon 425 MSM8917
Fabrication
-	28 nm
Graphics
-	Adreno 308
RAM type
-	LPDDR3

Sensors

Applications
Android Market	-
Fingerprint Sensor
-	No
Other Sensors
-	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
Yes, Up to 32 GB	Yes, Up to 256 GB
Internal Memory
-	16 GB
Storage Type
-	eMMC 5.1
USB OTG
-	Yes