Screen size
iPhone 17 Pro Max6.9"
iPhone DuoWinner: 7.6"+9.2%
Quick verdict
iPhone 17 Pro Max leads the measured specs 5-3.
Measured wins
iPhone 17 Pro Max
5
spec wins
Overall winner
Ties
15
equal specs
iPhone Duo
3
spec wins
Screen size
Technology
iPhone 17 Pro Max
GSM / CDMA / HSPA / EVDO / LTE / 5G
iPhone Duo
GSM / HSPA / LTE / 5G
2G bands
iPhone 17 Pro Max
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
iPhone Duo
GSM 850 / 900 / 1800 / 1900
3G bands
iPhone 17 Pro Max
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
iPhone Duo
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
iPhone 17 Pro Max
Resolution
Refresh rate
equal specsPeak brightness
equal specsPixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
equal specsBluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specs1, 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 - A3526, 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 - A3257, 1, 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 - A3525, 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, 66 - A3527
iPhone Duo
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, A3719, 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 - A3720, 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, 66, 106 - A3721
5G bands
iPhone 17 Pro Max
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 - A3526, 1, 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 - A3257, 1, 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 - A3525, 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3527
iPhone Duo
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 - A3720, 1, 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 - A3447, 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3721, 1, 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
Speed
iPhone 17 Pro Max
HSPA, LTE, 5G, EV-DO Rev.A 3.1 Mbps
iPhone Duo
HSPA, LTE, 5G
Announced
iPhone 17 Pro Max
2025, September 09
iPhone Duo
2026, September 09
Status
iPhone 17 Pro Max
Available. Released 2025, September 19
iPhone Duo
Coming soon. Exp. release 2026, October 23
Dimensions
iPhone 17 Pro Max
163.4 x 78 x 8.8 mm (6.43 x 3.07 x 0.35 in)
iPhone Duo
Unfolded: 117.8 x 164.6 x 5.2 mmFolded: 117.8 x 84.1 x 11.3 mm
Weight
iPhone 17 Pro Max
233 g (8.22 oz)
iPhone Duo
254 g (8.96 oz)
Build
iPhone 17 Pro Max
Glass front (Ceramic Shield 2), aluminum alloy frame, aluminum alloy back/ glass back (Ceramic Shield)
iPhone Duo
Glass front (Ceramic Shield 2) (folded), titanium frame & hindge (grade 5), glass back (Ceramic Shield)
SIM
iPhone 17 Pro Max
· 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 (China)
iPhone Duo
· eSIM + eSIM (8 or more, max 2 at a time) - Global· eSIM + eSIM (China)
Other
iPhone 17 Pro Max
IP68 dust tight and water resistant (immersible up to 6m for 30 min) Apple Pay (Visa, MasterCard, AMEX certified)
iPhone Duo
IP68 dust tight and water resistant (immersible up to 6m for 30 min) Stylus support
Type
iPhone 17 Pro Max
LTPO Super Retina XDR OLED, 120Hz, HDR10, Dolby Vision, 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)
iPhone Duo
LTPO Super Retina XDR OLED, 120Hz, HDR10, Dolby Vision, 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)
Size
iPhone 17 Pro Max
6.9 inches, 115.6 cm2 (~90.7% screen-to-body ratio)
iPhone Duo
7.6 inches, 175.4 cm2 (~90.4% screen-to-body ratio)
Resolution
iPhone 17 Pro Max
1320 x 2868 pixels, 19.5:9 ratio (~460 ppi density)
iPhone Duo
1878 x 2670 pixels (~430 ppi density)
Protection
iPhone 17 Pro Max
Ceramic Shield 2, Mohs level 5
iPhone Duo
Nano Texture finish
Other
iPhone 17 Pro Max
Anti-reflective coating
iPhone Duo
Anti‑reflective coating Wide-angle OLED matte display Small display crease Cover display: LTPO Super Retina XDR OLED, 120Hz, HDR10, Dolby Vision, 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak) 5.4 inches, 1398 x 2034 pixels, 460 ppi Ceramic Shield 2, Anti‑reflective coating
OS
iPhone 17 Pro Max
iOS 26, upgradable to iOS 26.2.1
iPhone Duo
iOS 27
Chipset
iPhone 17 Pro Max
Apple A19 Pro (3 nm)
iPhone Duo
Apple A20 Pro (2 nm)
CPU
iPhone 17 Pro Max
Hexa-core (2x4.26 GHz + 4xX.X GHz)
iPhone Duo
Hexa-core (2x GHz high performance + 4x GHz)
GPU
iPhone 17 Pro Max
Apple GPU (6-core graphics)
iPhone Duo
Apple GPU (7-core graphics)
Card slot
iPhone 17 Pro Max
No
iPhone Duo
No
Internal
iPhone 17 Pro Max
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 2TB 12GB RAM
iPhone Duo
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 2TB 12GB RAM
Other
iPhone 17 Pro Max
NVMe
iPhone Duo
-
Triple
iPhone 17 Pro Max
48 MP, f/1.8, 24mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, sensor-shift OIS 48 MP, f/2.8, 100mm (periscope telephoto), 1/2.55", 0.7µm, PDAF, 3D sensor‑shift OIS, 4x optical zoom 48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF TOF 3D LiDAR scanner (depth)
iPhone Duo
-
Features
iPhone 17 Pro Max
Dual-LED dual-tone flash, HDR (photo/panorama)
iPhone Duo
Dual-LED dual-tone flash, HDR (photo/panorama)
Video
iPhone 17 Pro Max
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.
iPhone Duo
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.
Dual
iPhone 17 Pro Max
-
iPhone Duo
48 MP, f/1.6, 26mm (wide), 1/2.55", 0.7µm, PDAF, sensor-shift OIS 48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF
Single
iPhone 17 Pro Max
18 MP multi-aspect, f/1.9, 20mm (ultrawide), PDAF SL 3D, (depth/biometrics sensor)
iPhone Duo
XX MP under display camera, f/1.8, 1080p@30/60fps video Cover camera: 12 MP multi-aspect, f/2.2, (wide), AF
Features
iPhone 17 Pro Max
HDR, Dolby Vision HDR, 3D (spatial) audio, stereo sound rec., ProRes RAW, Apple Log 2
iPhone Duo
HDR, Dolby Vision HDR, spatial audio, stereo sound rec.
Video
iPhone 17 Pro Max
4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS
iPhone Duo
4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS
Loudspeaker
iPhone 17 Pro Max
Yes, with stereo speakers
iPhone Duo
Yes, with stereo speakers
3.5mm jack
iPhone 17 Pro Max
No
iPhone Duo
No
WLAN
iPhone 17 Pro Max
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot
iPhone Duo
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot
Bluetooth
iPhone 17 Pro Max
6.0, A2DP, LE
iPhone Duo
6.0, A2DP, LE
Positioning
iPhone 17 Pro Max
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC
iPhone Duo
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC
NFC
iPhone 17 Pro Max
Yes
iPhone Duo
Yes
Radio
iPhone 17 Pro Max
No
iPhone Duo
No
USB
iPhone 17 Pro Max
USB Type-C 3.2 Gen 2, DisplayPort
iPhone Duo
USB Type-C 3.2 Gen 2, DisplayPort
Sensors
iPhone 17 Pro Max
Face ID, accelerometer, gyro, proximity, compass, barometer
iPhone Duo
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Other
iPhone 17 Pro Max
Ultra Wideband (UWB) support (gen2 chip) Emergency SOS, Messages and Find My via satellite
iPhone Duo
Ultra Wideband (UWB) support (gen2 chip) Emergency SOS, Messages and Find My via satellite
Type
iPhone 17 Pro Max
Market-dependent versions:· Li-Ion 4823 mAh - Nano SIM model· Li-Ion 5088 mAh - eSIM only model
iPhone Duo
Li-Ion
Charging
iPhone 17 Pro Max
Wired, PD3.2, AVS, 50% in 20 min 25W wireless MagSafe/Qi2, 50% in 30 min (15W - China) 4.5W reverse wired
iPhone Duo
Wired, PD3.2, AVS, 50% in 20 min 25W wireless MagSafe/Qi2, 50% in 30 min
Colors
iPhone 17 Pro Max
Silver, Cosmic Orange, Deep Blue
iPhone Duo
Night Sky, Star White
Models
iPhone 17 Pro Max
iPhone18,2, A3526, A3257, A3527, A3525
iPhone Duo
A3720, A3721, A3447, A3719
SAR
iPhone 17 Pro Max
1.19 W/kg (head) 1.19 W/kg (body)
iPhone Duo
-
SAR EU
iPhone 17 Pro Max
1.49 W/kg (head) 1.49 W/kg (body)
iPhone Duo
-
Price
iPhone 17 Pro Max
$ 1,199.00 / C$ 2,999.00 / £ 989.00 / € 1,250.00 / ₹ 149,900
iPhone Duo
About 2300 EUR