Oppo F31 Pro Plus 5g vs Xiaomi Mi Mix 2 128gb

Key Specs

Battery
-	3400 mAh
Display
-	5.99 inches (15.21 cm)
Front Camera
-	5 MP
Processor
-	Qualcomm Snapdragon 835 MSM8998
RAM
-	6 GB
Rear Camera
-	12 MP

Battery

Capacity
7000mAh	3400 mAh
Quick Charging
80W fast charging	Yes, Quick, v3.0
Removable
-	No
Type
-	Li-ion
USB Type-C
Yes	Yes

Camera

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

Design

Build Material
-	Case: Aluminium Back: Aluminium
Colours
Blue, Pink, White	Black
Height
-	151.8 mm
Thickness
-	7.7 mm
Water Resistance
IP68 rating	-
Weight
-	185 grams
Width
-	75.5 mm

Display

Aspect Ratio
-	18:9
Bezel-less display
-	Yes
Display Type
FHD+ AMOLED	IPS LCD
Pixel Density
-	403 ppi
Refresh Rate
120Hz	-
Resolution
-	1080x2160 px (FHD+)
Screen Size
6.79 inch	5.99 inches (15.21 cm)
Screen to Body Ratio (calculated)
-	80.79 %
Touch Screen
-	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Resolution
-	5 MP f/2.0, Primary Camera
Sensor
-	CMOS
Video Recording
-	1920x1080 @ 30 fps

General

Brand
Oppo	Xiaomi
Custom UI
-	MIUI
Launch Date
September 15, 2025	October 17, 2017 (Official)
Model
F31 Pro Plus 5G	-
Operating System
ColorOS 15	Android v7.1 (Nougat)

Main Camera

Autofocus
-	Yes, Phase Detection autofocus
Camera Features
-	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
-	Single
Flash
-	Yes, Dual-color LED Flash
Image Resolution
-	4000 x 3000 Pixels
OIS
-	Yes
Resolution
-	12 MP f/2.0, Primary Camera(2.9" sensor size, 1.25µm pixel size)
Sensor
-	IMX386, Exmor-RS CMOS Sensor
Settings
-	Exposure compensation
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR) Burst mode
Video Recording
-	3840x2160 @ 30 fps 1920x1080 @ 30 fps 1280x720 @ 120 fps

Multimedia

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

Network & Connectivity

Bluetooth
5.3	Yes, v5.0
GPS
-	Yes with A-GPS, Glonass
Network Support
5G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
-	Head: 0.880 W/kg, Body: 0.850 W/kg
SIM 1
-	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 850(band 27) / 700(band 29) / 2300(band 30) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSPA GPRS: Available EDGE: Available
SIM 2
-	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 850(band 27) / 700(band 29) / 2300(band 30) 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 a/b/g/n/ac) 5GHz, MIMO
Wi-Fi Features
-	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
-	Octa core (2.45 GHz, Quad core, Kryo 280 + 1.9 GHz, Quad core, Kryo 280)
Chipset
-	Qualcomm Snapdragon 835 MSM8998
Graphics
-	Adreno 540
Processor
Qualcomm Snapdragon 7 Gen 3 (4nm, octa-core)	-
Processor Fabrication
4 nm	-
RAM
8GB/12GB	6 GB
RAM Type
-	LPDDR4X
RAM type
-	LPDDR4X

Sensors

Fingerprint Sensor
under display	Yes
Fingerprint Sensor Position
-	Rear
Other Sensors
-	Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope

Storage

Expandable Memory
(non-expandable	No
Internal Memory
256GB	128 GB
USB OTG
-	Yes
User Available Storage
-	Up to 115 GB