Oppo F31 vs Vivo V20 Pro

Key Specs

Battery
-	4000 mAh
Display
-	6.44 inches (16.36 cm)
Front Camera
-	44 MP + 8 MP
Processor
-	Qualcomm Snapdragon 765G
RAM
-	8 GB
Rear Camera
-	64 MP + 8 MP + 2 MP

Audio

Audio Jack
3.5 mm	-

Battery

Capacity
7000 mAh	4000 mAh
Quick Charging
80W SUPERVOOC fast charging	Yes, Flash, 33W: 65 % in 30 minutes
Removable
-	No
Type
-	Li-ion
USB Type-C
Yes	Yes

Camera

Front Camera
16GB	-
Rear Camera
50M P+ 2GB + 2GB	-

Design

Build Material
Aerospace-grade aluminum alloy	-
Colours
Midnight Blue, Cloud Green, Bloom Red	Midnight Jazz, Sunset Melody
Height
-	158.8 mm
Thickness
-	7.39 mm
Water Resistance
IP68/IP69 rating	-
Weight
-	170 grams
Width
-	74.2 mm

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Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes
Display Type
2D curved AMOLED	AMOLED
HDR 10 / HDR+ support
-	Yes, HDR 10+
Pixel Density
-	409 ppi
Refresh Rate
120Hz	60 Hz
Resolution
1080 x 2412 pixels	1080x2400 px (FHD+)
Screen Protection
-	Corning Gorilla Glass v5
Screen Size
6.57-inch	6.44 inches (16.36 cm)
Screen to Body Ratio (calculated)
-	84.98 %
Screen to Body Ratio (claimed by the brand)
-	91.2 %
Touch Screen
-	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
-	Yes
Camera Setup
-	Dual
Flash
-	Yes, Screen flash
Resolution
-	44 MP f/2.0, Wide Angle, Primary Camera 8 MP f/2.28, Ultra-Wide Angle (105° field-of-view) Camera
Video Recording
-	3840x2160 @ 30 fps

General

Brand
OPPO	vivo
Custom UI
ColorOS 15	Funtouch OS
Launch Date
September 15, 2025	December 2, 2020
Model
F31	-
Operating System
Android 15	Android v10 (Q)

Main Camera

Autofocus
-	Yes, Phase Detection autofocus
Camera Features
-	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
-	Triple
Flash
-	Yes, Dual-color LED Flash
Image Resolution
-	9000 x 7000 Pixels
Resolution
-	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
Sensor
-	S5KGW1, ISOCELL Plus
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR) Macro Mode
Video Recording
-	3840x2160 @ 30 fps 1920x1080 @ 60 fps

Multimedia

Audio Jack
-	USB Type-C
FM Radio
-	No
Loudspeaker
-	Yes

Network & Connectivity

Bluetooth
5.3	Yes, v5.1
GPS
-	Yes with A-GPS, Glonass
NFC
-	No
Network Support
5G	5G Supported in India, 4G Supported in India, 3G, 2G
SAR Value
-	Head: 1.183 W/kg, Body: 0.725 W/kg
SIM 1
-	5G Bands: FDD N1 / N3 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) / 2600(band 7) / 900(band 8) / 700(band 28) / 1700(band 4) / 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) / 2100(band 34) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1700(band 4) / 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	Dual SIM, GSM+GSM
USB Connectivity
-	Mass storage device, USB charging
VoLTE
-	Yes
Wi-Fi
Wi-Fi 6	Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Wi-Fi Features
-	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
-	Octa core (2.4 GHz, Single core, Kryo 475 + 2.2 GHz, Single core, Kryo 475 + 1.8 GHz, Hexa Core, Kryo 475)
Chipset
-	Qualcomm Snapdragon 765G
Fabrication
-	7 nm
Graphics
-	Adreno 620
Processor
MediaTek Dimensity 7050 (6nm, octa-core)	-
Processor Fabrication
6 nm	-
RAM
6GB/8GB	8 GB
RAM Type
-	LPDDR4X
RAM type
-	LPDDR4X

Sensors

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

Storage

Expandable Memory
expandable via microSD up to 1TB	No
Internal Memory
128GB/256GB	128 GB
Storage Type
UFS 2.2	UFS 2.1
USB OTG
-	Yes