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Choosing between two smartphones? Use MobilesIQ to compare mobile phone specifications, prices, processors, camera systems, display quality, RAM, storage and battery capacity side by side.
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Specification
Apple iPhone Duo
—
—
OPPO F31 Pro 5G
—
—
Brand
Apple
OPPO
Release Date
—
—
Operating System
iOS 27.1
Android 15 with ColorOS 15 at launch
Processor
Apple A20 Pro
MediaTek Dimensity 7300-Energy, 4 nm
Processor Speed
Not officially specified
Up to 2.5 GHz, octa-core
Screen Size
7.6-inch inner, 5.4-inch outer
6.57 inches
Display
Super Retina XDR OLED
Flat AMOLED, 1.07 billion colours
Resolution
1878 × 2670 pixels
1080 × 2372 pixels (FHD+)
Refresh Rate
120Hz
120Hz
Brightness
1,000 nits typical
Up to 1,400 nits peak
RAM
12GB
8 GB / 12 GB LPDDR4X; virtual RAM expansion supported
Storage
12GB + 256GB, 12GB + 512GB, 12GB + 1TB
8GB + 128GB, 12GB + 256GB
Battery
Dual built-in lithium-ion batteries
7,000 mAh typical; 6,830 mAh rated
Fast Charging
Yes
Yes
Wireless Charging
Yes
No
Colour
Star White, Night Sky
Desert Gold, Space Grey
Rear Camera
Dual 48MP
50 MP main camera with OIS + 2 MP portrait camera
Front Camera
12MP Center Stage
32 MP selfie camera
Network
5G, 4G LTE, 3G, 2G
5G, 4G LTE, 3G, 2G
SIM
Dual eSIM
Dual Nano-SIM
Connectivity
Wi-Fi, Bluetooth NFC, GPS , dual-frequency USB
Wi-Fi, Bluetooth, GPS, USB Type-C; NFC availability should be verified for the specific variant
Security
Fingerprint Sensor
In-display optical fingerprint sensor and face unlock
Dimensions
Open Height 117.8 mm
Approximately 158.4 × 75.2 × 7.9 mm
Weight
254 grams
190 g (Space Grey); 191 g (Desert Gold)
Performance Rating
9.8
7.8
Value Rating
7.5
8.5
Specification
Apple iPhone Duo
—
—
OPPO F31 Pro 5G
—
—
Brand
Apple
OPPO
Release Date
—
—
Operating System
iOS 27.1
Android 15 with ColorOS 15 at launch
Processor
Apple A20 Pro
MediaTek Dimensity 7300-Energy, 4 nm
Processor Speed
Not officially specified
Up to 2.5 GHz, octa-core
Screen Size
7.6-inch inner, 5.4-inch outer
6.57 inches
Display
Super Retina XDR OLED
Flat AMOLED, 1.07 billion colours
Resolution
1878 × 2670 pixels
1080 × 2372 pixels (FHD+)
Refresh Rate
120Hz
120Hz
Brightness
1,000 nits typical
Up to 1,400 nits peak
RAM
12GB
8 GB / 12 GB LPDDR4X; virtual RAM expansion supported
Storage
12GB + 256GB, 12GB + 512GB, 12GB + 1TB
8GB + 128GB, 12GB + 256GB
Battery
Dual built-in lithium-ion batteries
7,000 mAh typical; 6,830 mAh rated
Fast Charging
Yes
Yes
Wireless Charging
Yes
No
Colour
Star White, Night Sky
Desert Gold, Space Grey
Rear Camera
Dual 48MP
50 MP main camera with OIS + 2 MP portrait camera
Front Camera
12MP Center Stage
32 MP selfie camera
Network
5G, 4G LTE, 3G, 2G
5G, 4G LTE, 3G, 2G
SIM
Dual eSIM
Dual Nano-SIM
Connectivity
Wi-Fi, Bluetooth NFC, GPS , dual-frequency USB
Wi-Fi, Bluetooth, GPS, USB Type-C; NFC availability should be verified for the specific variant
Security
Fingerprint Sensor
In-display optical fingerprint sensor and face unlock
Dimensions
Open Height 117.8 mm
Approximately 158.4 × 75.2 × 7.9 mm
Weight
254 grams
190 g (Space Grey); 191 g (Desert Gold)
Performance Rating
9.8
7.8
Value Rating
7.5
8.5
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