Apple iPhone 11 Pro Max vs Apple iPhone Duo

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iPhone 11 Pro Max compared with iPhone Duo

	AppleiPhone 11 Pro Max	AppleiPhone Duo
Overview
Released
Released	September 2019	Coming 23 October 2026
Display
Screen size
Screen size	6.5″	7.6″
Resolution
Resolution	2688 × 1242	2670 × 1878 (better)
Sharpness
Sharpness	456 pixels per inch (better)	430 pixels per inch
Panel
Panel	OLED	LTPO OLED
Refresh rate
Refresh rate	60 Hz	120 Hz (better)
Peak brightness
Peak brightness	1,200 nits	3,000 nits (better)
Cover screen
Cover screen	–	5.4″, 2034 × 1398, 120 Hz
Display type
Display type	Super Retina XDR display; 6.5-inch (diagonal) all-screen OLED Multi-Touch display with rounded corners; 6.46 inches measured as a standard rectangle	Super Retina XDR OLED folding display (inner) with nano-texture finish and wide-angle OLEDs; Dynamic Island on both displays
Pixel density
Pixel density	458 ppi	430 ppi (inner); 460 ppi (outer)
Brightness detail
Brightness detail	800 nits max (typical); 1,200 nits max (HDR)	Both displays 1,000 nits max (typical); 1,600 nits peak (HDR); 3,000 nits peak (outdoor); 1 nit minimum
Always-on display
Always-on display	–	Yes
Screen protection
Screen protection	Fingerprint-resistant oleophobic coating	Ceramic Shield 2 on the outer display, Ceramic Shield back; inner display has a scratch-resistant coating over a nano-textured custom polymer cover layer, high-strength glass above and below the panel and a titanium plate beneath
Display features
Display features	HDR display; True Tone; wide colour display (P3); Haptic Touch; 2,000,000:1 contrast ratio (typical)	ProMotion adaptive refresh up to 120 Hz; HDR; True Tone; Wide colour (P3); Haptic Touch; 2,000,000:1 contrast ratio (typical); anti-reflective coating; Apple Pencil (USB-C) support on either display, which Apple says is coming later in 2026
Cover screen
Cover screen	–	5.4-inch Super Retina XDR OLED, 1398 x 2034 at 460 ppi, ProMotion up to 120 Hz, same aspect ratio as the inner display; measured as a standard rectangle the screens are 7.58 and 5.36 inches
Performance
Chip
Chip	A13 Bionic	A20 Pro
Memory
Memory	4 GB	–
Storage
Storage	64 GB, 256 GB, 512 GB	256 GB, 512 GB, 1 TB, 2 TB (better)
CPU
CPU	Six-core A13 Bionic (GSMArena); 4 GB of SK hynix LPDDR4X RAM (iFixit)	6-core CPU with 2 super cores and 4 efficiency cores; 2-nanometre process
GPU
GPU	Apple-designed four-core GPU (GSMArena)	7-core GPU with Neural Accelerators; hardware-accelerated ray tracing
AI engine
AI engine	Third-generation Neural Engine	Dual 16-core Neural Engine
Cooling
Cooling	–	Custom vapour chamber connected directly to the chip package; up to 35% better sustained performance than iPhone 17 Pro (Apple)
Cameras
Main camera
Main camera	12 MP	48 MP (better)
Ultra wide camera
Ultra wide camera	12 MP	48 MP
Telephoto camera
Telephoto camera	12 MP	None
Optical zoom
Optical zoom	2× (better)	None
Front camera
Front camera	12 MP	12 MP
Main camera
Main camera	12MP Wide, ƒ/1.8 aperture, optical image stabilisation, six-element lens, 100% Focus Pixels	48MP Fusion Main, 26 mm, ƒ/1.6 aperture, sensor-shift optical image stabilisation, Hybrid Focus Pixels; 24MP and 48MP photos
Ultra wide camera
Ultra wide camera	12MP Ultra Wide, ƒ/2.4 aperture, 120° field of view, five-element lens	48MP Fusion Ultra Wide, 13 mm, ƒ/2.2 aperture, 120° field of view, Hybrid Focus Pixels; 24MP and 48MP photos
Telephoto camera
Telephoto camera	12MP Telephoto, ƒ/2.0 aperture, optical image stabilisation, six-element lens, 2x optical zoom	–
Front camera
Front camera	12MP TrueDepth camera, ƒ/2.2 aperture, Retina Flash	12MP Center Stage camera (outer), ƒ/2.2 aperture; under-display FaceTime camera in the inner display, ƒ/1.8 aperture, 1080p video (resolution in megapixels not published)
Zoom
Zoom	2x optical zoom in, 2x optical zoom out; digital zoom up to 10x (photos) and 6x (video)	12MP optical-quality 2x Telephoto (52 mm, ƒ/1.6) from the Main camera; 2x optical-quality zoom in, 2x optical zoom out (4x optical-quality zoom range); digital zoom up to 10x (6x for video)
Video recording
Video recording	4K at 24, 30 or 60 fps; 1080p at 30 or 60 fps; 720p at 30 fps; extended dynamic range up to 60 fps; optical image stabilisation (Wide and Telephoto); slo-mo 1080p at 120 or 240 fps; audio zoom; QuickTake with subject tracking; stereo recording	4K Dolby Vision at 24, 25, 30 or 60 fps, and at 100 or 120 fps on the Fusion Main camera; 1080p Dolby Vision up to 120 fps; Cinematic mode up to 4K Dolby Vision at 60 fps, with effects applied after capture; Action mode up to 2.8K Dolby Vision at 60 fps; slo-mo 1080p up to 240 fps and 4K Dolby Vision up to 120 fps (Fusion Main); Dual Capture up to 4K Dolby Vision at 30 fps; macro video; HEVC and H.264
Front video
Front video	4K at 24, 30 or 60 fps; 1080p at 30 or 60 fps; slo-mo 1080p at 120 fps	Outer camera 4K Dolby Vision at 24, 25, 30 or 60 fps, Cinematic mode up to 4K Dolby Vision at 30 fps, slo-mo 1080p at 120 fps; inner camera 1080p at 30 or 60 fps
Camera features
Camera features	Night mode; Auto Adjustments; next-generation Smart HDR; Portrait mode with advanced bokeh and Depth Control; Portrait Lighting with six effects; brighter True Tone flash with Slow Sync; sapphire crystal lens cover	Smart Take; Duo Preview and Kid Cue on the outer display; Photographic Styles 3; smart focus tracking; Photonic Engine; Deep Fusion; Smart HDR 5; Night mode; next-generation portraits with Focus and Depth Control; panorama up to 63MP; 48MP macro photography; True Tone flash; sapphire crystal lens cover; Camera Control; HEIF and JPEG; no Pro controls
Battery and charging
Battery
Battery	3,969 mAh	–
Video playback (maker's claim)
Video playback (maker's claim)	Up to 20 hours	Up to 31 hours
Wireless charging
Wireless charging	Yes (wattage not published)	Up to 25 W
Battery life detail
Battery life detail	Lasts up to 5 hours longer than iPhone XS Max; video playback up to 20 hours (12 hours streamed); audio playback up to 80 hours; 3,969 mAh at 3.79 V, 15.04 Wh (iFixit)	Two lithium-ion batteries, one in each half, managed as one; up to 24 hours typical use (equal use of both displays); video playback up to 31 hours on the inner display and 44 hours on the outer; streamed video up to 26 hours inner and 37 hours outer
Wired charging
Wired charging	18W USB-C Power Adapter included; up to 50% in around 30 minutes with an 18W adapter or higher	Up to 50% in around 20 minutes with a 60W-capable USB-C adapter or higher (sold separately); Apple doesn't give a maximum wattage
Wireless charging
Wireless charging	Works with Qi chargers	MagSafe and Qi2 up to 25W; up to 50% in around 30 minutes with a 35W adapter or higher and a MagSafe Charger
Design
Type
Type	Standard	Foldable
Weight
Weight	226 g (better)	254 g
Thickness
Thickness	8.1 mm (better)	11.3 mm
Height × width
Height × width	158 × 77.8 mm	117.8 × 84.1 mm
Water and dust resistance
Water and dust resistance	IP68	IP68
Stylus
Stylus	–	Yes
Size unfolded
Size unfolded	–	117.8 × 164.6 × 5.2 mm (height × width × thickness)
Materials
Materials	Textured matte glass back and polished stainless steel band	Grade 5 titanium enclosure with a mirror-polished finish (85% recycled titanium); 3D-printed titanium hinge cover with a micro-blasted finish; Ceramic Shield back
Colours
Colours	Gold, Space Grey, Silver, Midnight Green	Star White, Night Sky
Buttons
Buttons	Volume up/down; Ring/Silent switch; side button	Side button with Touch ID; Camera Control; volume up/down; no Action button
Water resistance detail
Water resistance detail	IP68 (maximum depth of 4 metres up to 30 minutes) under IEC standard 60529	IP68 (maximum depth of 6 metres up to 30 minutes) under IEC standard 60529
Biometrics
Biometrics	Face ID, enabled by the TrueDepth camera	Touch ID fingerprint sensor in the side button
Sensors
Sensors	Face ID; barometer; three-axis gyro; accelerometer; proximity sensor; ambient light sensor	Touch ID; barometer; high dynamic range gyro; high-g accelerometer; proximity sensor; four ambient light sensors
Speakers
Speakers	Stereo speakers	Built-in stereo speakers
Microphones
Microphones	–	Built-in microphones; Voice Isolation and Wide Spectrum modes
Software
Operating system
Operating system	iOS	iOS
Software at launch
Software at launch	iOS 13	iOS 27.1 (Apple's press release; the spec page lists iOS 27)
AI features
AI features	–	Apple Intelligence; Siri AI (beta, English at launch, not initially available in the EU); Siri Camera mode through Camera Control
Safety features
Safety features	–	Crash Detection
In the box
In the box	–	iPhone Duo, USB-C Charge Cable (1 m); no power adapter
Connectivity
Satellite messaging
Satellite messaging	–	Yes
Mobile network
Mobile network	Gigabit-class LTE with 4x4 MIMO and LAA; VoLTE; Wi-Fi calling	Apple C2 modem; 5G (sub-6GHz) with 4x4 MIMO; Gigabit LTE with 4x4 MIMO; UK model A3720 (US model A3447 adds mmWave)
SIM
SIM	Dual SIM (nano-SIM and eSIM)	Dual eSIM only (two active, eight or more stored); no physical SIM
Wi-Fi
Wi-Fi	Wi-Fi 6 (802.11ax) with 2x2 MIMO	Wi-Fi 7 (802.11be) with 2x2 MIMO; Apple N1 wireless networking chip
Bluetooth
Bluetooth	Bluetooth 5.0	Bluetooth 6; Thread
Ultra Wideband
Ultra Wideband	Ultra Wideband chip for spatial awareness	Apple second-generation Ultra Wideband chip
NFC
NFC	NFC with reader mode; Express Cards with power reserve	NFC with reader mode; Express Cards with power reserve
Satellite features
Satellite features	–	Emergency SOS via satellite; Roadside Assistance via satellite; Find My via satellite; Messages via satellite in the US
USB
USB	Lightning connector; video mirroring and video out up to 1080p through the Lightning Digital AV Adapter and Lightning to VGA Adapter (sold separately)	USB-C with charging, DisplayPort and USB 3 (up to 10Gb/s); video out up to 4K HDR
Positioning
Positioning	Built-in GPS/GNSS; digital compass; Wi-Fi; cellular; iBeacon microlocation	Precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou and NavIC); digital compass; iBeacon micro-location