Oppo K12 vs Vivo V20 2021

Key Specs

Battery
5500 mAh	4000 mAh
Display
6.70 inches (17.02 cm)	6.44 inches (16.36 cm)
Front Camera
16 MP	44 MP
Processor
Qualcomm Snapdragon 7 Gen 3	Qualcomm Snapdragon 730
RAM & Storage
8 GB RAM + 256 GB	-
RAM
-	8 GB
Rear Camera
50 MP + 8 MP	64 MP + 8 MP + 2 MP

Battery

Capacity
5500 mAh	4000 mAh
Quick Charging
Yes, Super Flash, 100W: 100 % in 27 minutes	Yes, Flash, 33W: 65 % in 30 minutes
Removable
No	No
Type
-	Li-ion
USB Type-C
Yes	Yes

Design

Build Material
-	Back: Mineral Glass
Colours
Starry Night, Qingyun	Midnight Jazz, Sunset Melody
Height
162.5 mm	161.3 mm
Ruggedness
Dust proof	-
Thickness
8.37 mm	7.38 mm
Waterproof
Yes, Splash proof, IP54	-
Weight
186 grams	171 grams
Width
75.3 mm	74.2 mm

Display

Aspect Ratio
20:9	20:9
Bezel-less display
Yes with punch-hole display	Yes with waterdrop notch
Display Type
AMOLED	AMOLED
HDR 10 / HDR+ support
Yes, HDR 10+	-
Peak Brightness
1100 nits	-
Pixel Density
394 ppi	409 ppi
Refresh Rate
120 Hz	-
Resolution
1080x2412 px (FHD+)	1080x2400 px (FHD+)
Screen Size
6.70 inches (17.02 cm)	6.44 inches (16.36 cm)
Screen to Body Ratio (calculated)
88.57 %	83.66 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Setup
Single	Single
Flash
Yes, Screen flash	-
Resolution
16 MP f/2.4, Wide Angle, Primary Camera(1/3" sensor size, 1µm pixel size)	44 MP f/2.0, Wide Angle, Primary Camera
Video Recording
Full HD @ 30 FPS HD @ 30 FPS	-

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General

Brand
OPPO	vivo
Custom UI
ColorOS	Funtouch OS
Launch Date
-	December 24, 2020
Operating System
Android v14	Android v11

Main Camera

Autofocus
Yes	Yes
Camera Features
Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Dual	Triple
Flash
Yes, LED Flash	Yes, Dual-color LED Flash
Image Resolution
8150 x 6150 Pixels	9000 x 7000 Pixels
OIS
Yes	-
Resolution
50 MP f/1.8, Wide Angle, Primary Camera(26 mm focal length, 1/1.95" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera	64 MP f/1.89, Wide Angle, Primary Camera(26 mm focal length, 1.7" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(16 mm focal length, 4.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Mono Camera
Settings
Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
4k @ 30 FPS Full HD @ 30 FPS	3840x2160 @ 30 fps
Video Recording Features
Dual Video Recording Slo-motion	-

Multimedia

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

Network & Connectivity

Bluetooth
Yes, v5.4	Yes, v5.1
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
Yes	-
Network Support
5G, 4G, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
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) / 1700(band 4) / 850(band 5) 3G Bands: UMTS 1700 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 850 / 900 MHz 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
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) / 1700(band 4) / 850(band 5) 3G Bands: UMTS 1700/2100 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 850 / 900 MHz 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 Size
SIM1: Nano, SIM2: Nano (Hybrid)	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging	Mass storage device, USB charging
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 6E (802.11 a/b/g/n/ac/ax) 5GHz 6GHz, MIMO	Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Wi-Fi Features
Mobile Hotspot	Mobile Hotspot

Performance

Architecture
64 bit	64 bit
CPU
Octa core (2.63 GHz, Single core, Cortex A715 + 2.4 GHz, Quad core, Cortex A715 + 1.8 GHz, Tri core, Cortex A510)	Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Chipset
Qualcomm Snapdragon 7 Gen 3	Qualcomm Snapdragon 730
Fabrication
4 nm	8 nm
Graphics
Adreno 720	Adreno 618
RAM
8 GB	8 GB
RAM Type
LPDDR4X	-
RAM type
LPDDR4X	-

Sensors

Fingerprint Sensor
Yes	Yes
Fingerprint Sensor Position
On-screen	On-screen
Fingerprint Sensor Type
Optical	Optical
Other Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
Yes, Up to 1 TB	Yes, Up to 1 TB
Internal Memory
256 GB	128 GB
Storage Type
UFS 3.1	-
USB OTG
-	Yes