Oppo F31 Pro Plus 5g vs Vivo S9 5g

Key Specs

Battery
-	4000 mAh
Display
-	6.44 inches (16.36 cm)
Front Camera
-	44 MP + 8 MP
Processor
-	MediaTek Dimensity 1100 MT6891Z
RAM
-	8 GB
Rear Camera
-	64 MP + 8 MP + 2 MP

Battery

Capacity
7000mAh	4000 mAh
Quick Charging
80W fast charging	Yes, Flash, 33W: 66 % in 30 minutes
Removable
-	No
Type
-	Li-Polymer
USB Type-C
Yes	Yes

Camera

Front Camera
50MP + 2MP	-
Front Camera Physical Aperture
32MP	-

Design

Colours
Blue, Pink, White	White, Midnight Blue, Gradient Blue
Height
-	158.4 mm
Thickness
-	7.4 mm
Water Resistance
IP68 rating	-
Weight
-	173 grams
Width
-	73.9 mm

Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes with notch
Display Type
FHD+ AMOLED	AMOLED
HDR 10 / HDR+ support
-	Yes, HDR 10+
Pixel Density
-	409 ppi
Refresh Rate
120Hz	90 Hz
Resolution
-	1080x2400 px (FHD+)
Screen Size
6.79 inch	6.44 inches (16.36 cm)
Screen to Body Ratio (calculated)
-	85.54 %
Screen to Body Ratio (claimed by the brand)
-	91.04 %
Touch Screen
-	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Camera Setup
-	Dual
Resolution
-	44 MP f/2.0, Wide Angle, Primary Camera 8 MP f/2.3, Ultra-Wide Angle (105° field-of-view) Camera

General

Brand
Oppo	vivo
Custom UI
-	Origin OS
Launch Date
September 15, 2025	-
Model
F31 Pro Plus 5G	-
Operating System
ColorOS 15	Android v11

Main Camera

Autofocus
-	Yes
Camera Features
-	10 x Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
-	Triple
Flash
-	Yes, Dual-color LED Flash
Image Resolution
-	9000 x 7000 Pixels
OIS
-	Yes
Resolution
-	64 MP f/1.79, 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(4.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera
Sensor
-	CMOS image sensor
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
-	3840x2160 @ 30 fps 1920x1080 @ 30 fps

Multimedia

Audio Jack
-	USB Type-C
Loudspeaker
-	Yes

Network & Connectivity

Bluetooth
5.3	Yes, v5.2
GPS
-	Yes with A-GPS, Glonass
NFC
-	Yes
Network Support
5G	5G Supported in India, 4G Supported in India, 3G, 2G
SIM 1
-	5G Bands: FDD N1 / N3 / 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 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) / 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 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 4 (802.11 b/g/n)
Wi-Fi Features
-	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
-	Octa core (2.6 GHz, Quad core, Cortex A78 + 2 GHz, Quad core, Cortex A55)
Chipset
-	MediaTek Dimensity 1100 MT6891Z
Fabrication
-	6 nm
Graphics
-	Mali-G77 MC9
Processor
Qualcomm Snapdragon 7 Gen 3 (4nm, octa-core)	-
Processor Fabrication
4 nm	-
RAM
8GB/12GB	8 GB
RAM Type
-	LPDDR4X
RAM type
-	LPDDR4X

Sensors

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

Storage

Expandable Memory
(non-expandable	No
Internal Memory
256GB	128 GB
Storage Type
-	UFS 3.1
USB OTG
-	Yes