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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 18 Pro Max
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—
OPPO F31 5G
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—
Brand
Apple
OPPO
Release Date
—
—
Operating System
iOS 27
Android 15
Processor
Apple A20 Pro
MediaTek Dimensity 6300
Processor Speed
Not officially disclosed; 6-core CPU (2 performance + 4 efficiency cores)
Up to 2.4 GHz
Screen Size
6.9 inches
6.57 inches (approximately 6.5 inches)
Display
Super Retina XDR LTPO OLED
AMOLED, flat display
Resolution
2868 × 1320 pixels (460 ppi)
1080 × 2372 pixels (FHD+)
Refresh Rate
120Hz
120Hz
Brightness
1,000 nits typical; 1,600 nits HDR peak; 3,000 nits outdoor peak
Up to 1,400 nits (high-brightness mode)
RAM
Not officially disclosed
8GB LPDDR4X
Storage
12GB + 256GB, 12GB + 512GB, 12GB + 1TB
8GB + 128GB, 8GB + 256GB
Battery
Up to 43 hours video playback; up to 38 hours streamed video playback
7,000 mAh, non-removable
Fast Charging
Yes
Yes
Wireless Charging
Yes
No
Colour
Black, Silver, Glacier, Burgundy
Cloud Green, Midnight Blue, Bloom Red
Rear Camera
Triple 48 MP camera system: 48 MP Fusion Main with variable aperture + 48 MP Ultra Wide + 48 MP Telephoto
50MP main (f/1.8) + 2MP secondary (f/2.4)
Front Camera
18 MP Center Stage camera with autofocus
16MP (f/2.4)
Network
5G, 4G LTE, 3G, 2G
5G, 4G LTE, 3G, 2G
SIM
Nano-SIM + eSIM; dual eSIM support (market dependent)
Dual Nano-SIM
Connectivity
Wi-Fi 7, Bluetooth 6, NFC, GPS, USB-C, Thread, Ultra Wideband
Wi-Fi 5, Bluetooth 5.4, GPS, USB Type-C, NFC
Security
Face ID facial recognition
In-display fingerprint sensor, face unlock
Dimensions
163.4 × 78 × 8.75 mm
Approximately 158.2 × 75 × 8.0 mm
Weight
249 grams
185 g
Performance Rating
9.9
7.2
Value Rating
8.5
8.0
Specification
Apple iPhone 18 Pro Max
—
—
OPPO F31 5G
—
—
Brand
Apple
OPPO
Release Date
—
—
Operating System
iOS 27
Android 15
Processor
Apple A20 Pro
MediaTek Dimensity 6300
Processor Speed
Not officially disclosed; 6-core CPU (2 performance + 4 efficiency cores)
Up to 2.4 GHz
Screen Size
6.9 inches
6.57 inches (approximately 6.5 inches)
Display
Super Retina XDR LTPO OLED
AMOLED, flat display
Resolution
2868 × 1320 pixels (460 ppi)
1080 × 2372 pixels (FHD+)
Refresh Rate
120Hz
120Hz
Brightness
1,000 nits typical; 1,600 nits HDR peak; 3,000 nits outdoor peak
Up to 1,400 nits (high-brightness mode)
RAM
Not officially disclosed
8GB LPDDR4X
Storage
12GB + 256GB, 12GB + 512GB, 12GB + 1TB
8GB + 128GB, 8GB + 256GB
Battery
Up to 43 hours video playback; up to 38 hours streamed video playback
7,000 mAh, non-removable
Fast Charging
Yes
Yes
Wireless Charging
Yes
No
Colour
Black, Silver, Glacier, Burgundy
Cloud Green, Midnight Blue, Bloom Red
Rear Camera
Triple 48 MP camera system: 48 MP Fusion Main with variable aperture + 48 MP Ultra Wide + 48 MP Telephoto
50MP main (f/1.8) + 2MP secondary (f/2.4)
Front Camera
18 MP Center Stage camera with autofocus
16MP (f/2.4)
Network
5G, 4G LTE, 3G, 2G
5G, 4G LTE, 3G, 2G
SIM
Nano-SIM + eSIM; dual eSIM support (market dependent)
Dual Nano-SIM
Connectivity
Wi-Fi 7, Bluetooth 6, NFC, GPS, USB-C, Thread, Ultra Wideband
Wi-Fi 5, Bluetooth 5.4, GPS, USB Type-C, NFC
Security
Face ID facial recognition
In-display fingerprint sensor, face unlock
Dimensions
163.4 × 78 × 8.75 mm
Approximately 158.2 × 75 × 8.0 mm
Weight
249 grams
185 g
Performance Rating
9.9
7.2
Value Rating
8.5
8.0
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