Apple iPhone Duo vs Apple iPhone 18 Pro Max

Specs comparison

Add up to three devices side by side to compare their full specifications, features, performance, battery, and key differences in one place. Make informed decisions and find the device that best suits your needs and budget. Search for a device in an empty slot to add it.

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2 of 3 devices The best value in a row is marked Best
Apple Apple iPhone Duo View Specs Change
Apple Apple iPhone 18 Pro Max View Specs Change
Brand Apple Apple Empty slot
Versions A3720 (International); A3447 (USA); A3719 (Middle East, Canada, Mexico); A3721 (China) A3717 (International); A3473 (USA); A3716 (Middle East, Canada, Mexico); A3718 (China) Empty slot
Announced 2026, September 09 2026, September 09 Empty slot
Released 2026, October 23 2026, September 18 Empty slot
Availability Available Available Empty slot
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE / 5G Empty slot
2G Bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 Empty slot
3G Bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 Empty slot
4G Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71, 106 - A3447, A37191, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 106 - A37201, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 106 - A3721 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 106 - A37171, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71 - A34731, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66, 71, 106 - A37161, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 106 - A3718 Empty slot
5G Bands 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A37201, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79, 258, 260, 261 SA/NSA/Sub6/mmWave - A34471, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A37211, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79 SA/NSA/Sub6 - A3719 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A37171, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79, 258, 260, 261 SA/NSA/Sub6/mmWave - A34731, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79 SA/NSA/Sub6 - A37161, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3718 Empty slot
Speed HSPA, LTE, 5G HSPA, LTE, 5G Empty slot
Dimensions Unfolded: 117.8 x 164.6 x 5.2 mmFolded: 117.8 x 84.1 x 11.3 mm 163.4 x 78 x 8.8 mm (6.43 x 3.07 x 0.35 in) Empty slot
Weight 254 g (8.96 oz) 249 g (8.78 oz) Best Empty slot
Build Glass front (Ceramic Shield 2) (folded)Titanium frame & hindge (grade 5)Glass back (Ceramic Shield) Glass front (Ceramic Shield 2), aluminum frame, aluminum back/ glass back (Ceramic Shield) Empty slot
Stylus Yes, support Apple Pencil (USB-C) model — Empty slot
SIM · eSIM + eSIM (8 or more, max 2 at a time) - Global· eSIM + eSIM (China) · Nano-SIM + eSIM + eSIM (max 2 at a time; International)· eSIM + eSIM (8 or more, max 2 at a time; USA)· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time; China) Empty slot
Protection / IP Rating IP68 dust tight and water resistant (immersible up to 6m for 30 min) IP68 dust tight and water resistant (immersible up to 6m for 30 min) Empty slot
Display Type LTPO Super Retina XDR OLED LTPO Super Retina XDR OLED Empty slot
Display Size 7.6 inches, 175.4 cm2 (~90.4% screen-to-body ratio) Best 6.9 inches, 115.6 cm2 (~90.7% screen-to-body ratio) Empty slot
Resolution 1878 x 2670 pixels 1320 x 2868 pixels, 19.5:9 ratio Empty slot
Pixel Density ~430 ppi ~460 ppi Best Empty slot
Refresh Rate 120Hz 120Hz Empty slot
Peak Brightness 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak) 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak) Empty slot
Protection Nano Texture finishAnti‑reflective coating Ceramic Shield 2Anti-reflective coating Empty slot
Display Features HDR10, Dolby Vision, Wide-angle OLED matte display — Empty slot
Display Type LTPO Super Retina XDR OLED — Empty slot
Display Size 5.4 inches — Empty slot
Resolution 1398 x 2034 pixels — Empty slot
Pixel Density 460 ppi — Empty slot
Refresh Rate 120Hz — Empty slot
Peak Brightness 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak) — Empty slot
Protection Ceramic Shield 2, Anti‑reflective coating — Empty slot
Display Features HDR10, Dolby Vision — Empty slot
Operating System iOS iOS Empty slot
OS Version 27 27 Empty slot
Chipset Apple A20 Pro (2 nm) Apple A20 Pro (2 nm) Empty slot
CPU Hexa-core (2x GHz high performance + 4x GHz) Hexa-core (2x4.93 GHz + 4x2.64 GHz) Empty slot
GPU Apple GPU (7-core graphics) Apple GPU (7-core graphics) Empty slot
RAM Options 12GB 12GB Empty slot
Storage Options 256GB / 12GB RAM512GB / 12GB RAM1TB / 12GB RAM2TB / 12GB RAM 256GB / 12GB RAM512GB / 12GB RAM1TB / 12GB RAM2TB / 12GB RAM Empty slot
Storage Type NVMe NVMe Empty slot
Card Slot No No Empty slot
Cameras Dual camera Triple camera Empty slot
Modules 48 MP, f/1.6, 26mm (wide), PDAF, sensor-shift OIS48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF 48 MP, f/1.5-4.0, 24mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, sensor-shift OIS (gen2)48 MP, f/2.8, 100mm (periscope telephoto), 1/2.55", 0.7µm, PDAF, 3D sensor‑shift OIS, 4x optical zoom48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAFTOF 3D LiDAR scanner (depth) Empty slot
Features Dual-LED dual-tone flash, HDR (photo/panorama) Dual-LED dual-tone flash, HDR (photo/panorama), Cinematic from regular video Empty slot
Video 4K@24/25/30/60/100/120fps, 1080p@25/30/60/120/240fps, 10-bit HDR, Dolby Vision HDR (up to 120fps), ProRes, 3D (spatial) video/audio, stereo sound rec. 4K@24/25/30/60/100/120fps, 1080p@25/30/60/120/240fps, 10-bit HDR, Dolby Vision HDR (up to 120fps), ProRes, ProRes RAW (up to 120fps), Apple Log 2, 3D (spatial) video/audio, stereo sound rec. Empty slot
Cameras Dual camera Single camera Empty slot
Modules 4 MP, f/1.8, 22mm (wide), under display camera (1080p@30/60fps)Cover camera:12 MP multi-aspect, f/2.2, (wide), AF 18 MP multi-aspect, f/1.9, 20mm (ultrawide), PDAFSL 3D, (depth/biometrics sensor) Best Empty slot
Features HDR, Dolby Vision HDR, spatial audio, stereo sound rec. HDR, Dolby Vision HDR, 3D (spatial) audio, stereo sound rec., ProRes RAW, Apple Log 2 Empty slot
Video 4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS 4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS Empty slot
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers Empty slot
Audio Jack No No Empty slot
Spatial Audio 3D (spatial) video/audio, stereo sound — Empty slot
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot Empty slot
Bluetooth 6.0, A2DP, LE 6.0, A2DP, LE Empty slot
GPS / Positioning GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC Empty slot
NFC Yes Yes Empty slot
Radio No No Empty slot
USB USB Type-C 3.2 Gen 2, DisplayPort USB Type-C 3.2 Gen 2, DisplayPort Empty slot
Fingerprint Yes (side-mounted) — Empty slot
Face Unlock No Face ID Face ID Empty slot
Sensors Accelerometer, gyro, proximity, compass, barometer Accelerometer, gyro, proximity, compass, barometer Empty slot
Other Features Ultra Wideband (UWB) support (gen2 chip)Emergency SOS, Messages and Find My via satellite Ultra Wideband (UWB) support (gen2 chip)Emergency SOS, Messages and Find My via satellite Empty slot
Battery Type Li-Ion Market-dependent versions: Empty slot
Battery Capacity 4883 mAh · Li-Ion 5391 mAh - Nano SIM model· Li-Ion 5567 mAh - eSIM only model Best Empty slot
Wired Charging PD3.2, AVS, 50% in 20 min PD3.2, AVS, 50% in 15 min Empty slot
Wireless Charging 25W wireless MagSafe/Qi2, 50% in 30 min 25W wireless MagSafe/Qi2, 50% in 30 min (15W - China) Empty slot
Reverse Wireless Charging — 4.5W reverse wired Empty slot
Colours Night Sky, Star White Black, Silver, Glacier, Burgundy Empty slot
Models A3720, A3721, A3447, A3719 A3717, A3473, A3716, A3718 Empty slot

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