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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
—
—
OPPO K14x 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)
Octa-core: 2 × 2.4 GHz + 6 × 2.0 GHz
Screen Size
6.9 inches
6.75 inches (17.15 cm)
Display
Super Retina XDR LTPO OLED
LCD
Resolution
2868 × 1320 pixels (460 ppi)
1570 × 720 pixels (HD+)
Refresh Rate
120Hz
120Hz
Brightness
1,000 nits typical; 1,600 nits HDR peak; 3,000 nits outdoor peak
700 nits typical; 1125 nits in high-brightness mode
RAM
Not officially disclosed
4GB / 6GB LPDDR4X
Storage
12GB + 256GB, 12GB + 512GB, 12GB + 1TB
4GB + 64GB, 6GB + 128GB
Battery
Up to 43 hours video playback; up to 38 hours streamed video playback
6500 mAh typical
Fast Charging
Yes
Yes
Wireless Charging
Yes
No
Colour
Black, Silver, Glacier, Burgundy
Prism Violet, Icy Blue
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 monochrome (f/2.4)
Front Camera
18 MP Center Stage camera with autofocus
5MP (f/2.2)
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, USB OTG
Security
Face ID facial recognition
Side-mounted fingerprint sensor, face unlock
Dimensions
163.4 × 78 × 8.75 mm
Approximately 166.6 × 78.5 × 8.6 mm
Weight
249 grams
Approximately 212 g
Performance Rating
9.9
7.2
Value Rating
8.5
7.8
Specification
Apple iPhone 18 Pro Max
—
—
OPPO K14x 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)
Octa-core: 2 × 2.4 GHz + 6 × 2.0 GHz
Screen Size
6.9 inches
6.75 inches (17.15 cm)
Display
Super Retina XDR LTPO OLED
LCD
Resolution
2868 × 1320 pixels (460 ppi)
1570 × 720 pixels (HD+)
Refresh Rate
120Hz
120Hz
Brightness
1,000 nits typical; 1,600 nits HDR peak; 3,000 nits outdoor peak
700 nits typical; 1125 nits in high-brightness mode
RAM
Not officially disclosed
4GB / 6GB LPDDR4X
Storage
12GB + 256GB, 12GB + 512GB, 12GB + 1TB
4GB + 64GB, 6GB + 128GB
Battery
Up to 43 hours video playback; up to 38 hours streamed video playback
6500 mAh typical
Fast Charging
Yes
Yes
Wireless Charging
Yes
No
Colour
Black, Silver, Glacier, Burgundy
Prism Violet, Icy Blue
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 monochrome (f/2.4)
Front Camera
18 MP Center Stage camera with autofocus
5MP (f/2.2)
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, USB OTG
Security
Face ID facial recognition
Side-mounted fingerprint sensor, face unlock
Dimensions
163.4 × 78 × 8.75 mm
Approximately 166.6 × 78.5 × 8.6 mm
Weight
249 grams
Approximately 212 g
Performance Rating
9.9
7.2
Value Rating
8.5
7.8
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