Lenovo A7 vs Lenovo S820 8gb

Key Specs

Battery
Battery	4000 mAh	2000 mAh
Display
Display	6.09 inches (15.47 cm)	4.7 inches (11.94 cm)
Front Camera
Front Camera	5 MP	2 MP
Processor
Processor	Unisoc SC9863	MediaTek MT6589
RAM
RAM	2 GB	1 GB
Rear Camera
Rear Camera	13 MP + 2 MP	12 MP

Battery

Capacity
Capacity	4000 mAh	2000 mAh
Removable
Removable	Yes	-
Standby time
Standby Time	-	Up to 140 Hours(3G) / Up to 140 Hours(2G)
TalkTime
TalkTime	-	Up to 10 Hours(3G) / Up to 22 Hours(2G)
Type
Type	Li-ion	Li-Polymer
USB Type-C
USB Type-C	No	-

Design

Colours
Colours	Black, Blue	Black, White
Height
Height	-	139.5 mm
Thickness
Thickness	-	8.9 mm
Weight
Weight	-	143 grams
Width
Width	-	69.7 mm

Display

Aspect Ratio
Aspect Ratio	19.5:9	-
Bezel-less display
Bezel-less display	Yes with waterdrop notch	-
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	282 ppi	312 ppi
Resolution
Resolution	720x1560 px (HD+)	720x1280 px (HD)
Screen Protection
Screen Protection	-	Corning Gorilla Glass
Screen Size
Screen Size	6.09 inches (15.47 cm)	4.7 inches (11.94 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	-	62.49 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Features
Camera Features	-	Fixed Focus
Camera Setup
Camera Setup	Single	-
Resolution
Resolution	5 MP, Primary Camera	2 MP, Primary Camera

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General

Brand
Brand	Lenovo	Lenovo
Launch Date
Launch Date	September 10, 2020 (Official)	-
Operating System
Operating System	Android v9.0 (Pie)	Android v4.2 (Jelly Bean)

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Face detection Touch to focus
Camera Setup
Camera Setup	Dual	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	4128 x 3096 Pixels	4000 x 3000 Pixels
Resolution
Resolution	13 MP, Primary Camera 2 MP, Depth Camera	12 MP, Primary Camera
Settings
Settings	Exposure compensation	-
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	-

Multimedia

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

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.2	Yes, v3.0
GPS
GPS	Yes with A-GPS	Yes with A-GPS
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 3G, 2G
SIM 1
SIM 1	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	2G Bands: GSM 1800 / 1900 / 900 MHz
SIM Size
SIM Size	SIM1: Nano, SIM2: Nano	-
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, USB charging, microUSB 2.0	USB 2.0
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	-
CPU
CPU	Octa core (1.6 GHz, Quad core, Cortex A55 + 1.2 GHz, Quad core, Cortex A55)	Quad core, 1.2 GHz, Cortex A7
Chipset
Chipset	Unisoc SC9863	MediaTek MT6589
Graphics
Graphics	PowerVR GE8322	PowerVR SGX 544

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	-
Fingerprint Sensor Position
Fingerprint Sensor Position	Rear	-
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer	Light sensor, Proximity sensor, Accelerometer

Storage

Expandable Memory
Expandable Memory	Yes, Up to 256 GB	Yes, Up to 32 GB
Internal Memory
Internal Memory	32 GB	8 GB