Lenovo S820 8gb vs Oppo A2

Key Specs

Battery
Battery	2000 mAh	5000 mAh
Display
Display	4.7 inches (11.94 cm)	6.72 inches (17.07 cm)
Front Camera
Front Camera	2 MP	8 MP
Processor
Processor	MediaTek MT6589	MediaTek Dimensity 6020 MT6833
RAM
RAM	1 GB	12 GB
Rear Camera
Rear Camera	12 MP	50 MP + 2 MP

Battery

Capacity
Capacity	2000 mAh	5000 mAh
Quick Charging
Quick Charging	-	Yes, Super VOOC, 33W: 51 % in 30 minutes
Removable
Removable	-	No
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-Polymer	Li-Polymer
USB Type-C
USB Type-C	-	Yes

Design

Colours
Colours	Black, White	Black, Green, Violet
Height
Height	139.5 mm	165.6 mm
Ruggedness
Ruggedness	-	Dust proof
Thickness
Thickness	8.9 mm	8 mm
Waterproof
Waterproof	-	Yes, Splash proof, IP54
Weight
Weight	143 grams	193 grams Below
Width
Width	69.7 mm	76 mm

Display

Aspect Ratio
Aspect Ratio	-	20:9
Bezel-less display
Bezel-less display	-	Yes with punch-hole display
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	312 ppi	392 ppi
Refresh Rate
Refresh Rate	-	90 Hz
Resolution
Resolution	720x1280 px (HD)	1080x2400 px (FHD+)
Screen Protection
Screen Protection	Corning Gorilla Glass	Yes
Screen Size
Screen Size	4.7 inches (11.94 cm)	6.72 inches (17.07 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	62.49 %	86.63 %
Screen to Body Ratio (claimed by the brand)
Screen to Body Ratio (claimed by the brand)	-	91.4 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	-	No
Camera Features
Camera Features	Fixed Focus	-
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, Screen flash
Resolution
Resolution	2 MP, Primary Camera	8 MP f/2.0, Wide Angle, Primary Camera

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General

Brand
Brand	Lenovo	OPPO
Custom UI
Custom UI	-	ColorOS
Launch Date
Launch Date	-	July 10, 2024 (Expected)
Operating System
Operating System	Android v4.2 (Jelly Bean)	Android v13

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Single	Dual
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	4000 x 3000 Pixels	8150 x 6150 Pixels
Resolution
Resolution	12 MP, Primary Camera	50 MP f/1.8, Wide Angle (77° field-of-view), Primary Camera 2 MP f/2.4, Depth Camera
Settings
Settings	-	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	-	1920x1080 @ 30 fps 1280x720 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	No
Loudspeaker
Loudspeaker	Yes	Yes
Stereo Speakers
Stereo Speakers	-	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v3.0	Yes, v5.3
GPS
GPS	Yes with A-GPS	Yes with A-GPS, Glonass
NFC
NFC	-	No
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 900 MHz GPRS: Available EDGE: Available	5G Bands: FDD N1 / N5 / N8 / N28 TDD N41 / N77 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 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
SIM 2	2G Bands: GSM 1800 / 1900 / 900 MHz	5G Bands: FDD N1 / N5 / N8 / N28 TDD N41 / N77 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 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
SIM Size	-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	USB 2.0	Mass storage device, USB charging
VoLTE
VoLTE	-	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 a/b/g/n)	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	-	64 bit
CPU
CPU	Quad core, 1.2 GHz, Cortex A7	Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Chipset
Chipset	MediaTek MT6589	MediaTek Dimensity 6020 MT6833
Fabrication
Fabrication	-	7 nm
Graphics
Graphics	PowerVR SGX 544	Mali-G57 MC2
RAM type
RAM Type	-	LPDDR4X

Sensors

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

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 1 TB
Internal Memory
Internal Memory	8 GB	256 GB
Storage Type
Storage Type	-	UFS 2.2
USB OTG
USB OTG	-	Yes