Compare / iPhone Duo vs iPhone Air 1st gen

iPhone Duo vs iPhone Air 1st gen

A side-by-side comparison of the iPhone Duo and the iPhone Air 1st gen, covering display, chipset, memory, camera, battery and build.

iPhone Duo
Apple
iPhone Duo

Overview

Display
iPhone Duo
7.6inch
LTPO Super Retina XDR OLED · 120 Hz
1878 × 2670 · 430 PPI
iPhone Air 1st gen
6.6inch
AM-OLED · 120 Hz
1260 × 2736 · 460 PPI
Chip
iPhone Duo
Apple A20 Pro (2 nm)
Hexa-core (2x GHz high performance + 4x GHz)
Apple GPU (7-core graphics) · iOS 27
iPhone Air 1st gen
Apple A19 Pro L APL1V12 T8150 (Thera) 3 nm
4.26 GHz hexa-core
Apple G18P MP5 (1470 MHz) · Apple iOS 26
Memory
iPhone Duo
12GB RAM
256 GB · 512 GB · 1 TB · 2 TB storage
No card slot
iPhone Air 1st gen
12GB RAM
256 GB · 512 GB · 1 TB storage
No card slot
Camera
iPhone Duo
48MP Main
48 MP Ultra Wide
12 MP selfie
4K@24/25/30/60/100/120fps video
iPhone Air 1st gen
48MP
18 MP selfie
3840x2160 pixel video
Battery
iPhone Duo
25 W wireless
iPhone Air 1st gen
3,149mAh
18 W wired · 20 W wireless
Build
iPhone Duo
254g
117.8 × 164.6 × 5.2 mm
IP68
iPhone Air 1st gen
165g
156.2 × 74.7 × 11.3 mm
IP68
Connectivity
iPhone Duo
5GWi-Fi 7Bluetooth 6.0NFCeSIM + eSIM (8 or more, max 2 at a time) - GlobalUSB Type-C 3.2 Gen 2
iPhone Air 1st gen
5GWi-Fi 7Bluetooth 6.0NFCe-SIMUSB C reversible USB 2.0

Specifications

iPhone Duo

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
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, 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

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
HSPA, LTE, 5G

iPhone Air 1st gen

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
UMTS 2100 / 1900 / 1700/2100 / 850 / 900 - HSUPA, HSUPA 5.8, HSDPA, HSPA+ 21.1, DC-HSDPA 42.2
4G bands
LTE bands 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 - 100/50, 150/50, 300/50, 300/75, 300/100, 400/150, 450/50, 450/100, 600/50, 600/100, 1000/100, 1200/200, 1600, 2000/300
5G bands
NR bands 1, 2, 3, 5, 7, 8, 12, 20, 26, 25, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79 - 1500, 2600, 3700, 4600 data links
Dual SIM
SIM2 supports same bands as SIM1

iPhone Duo

Announced
2026, September 09
Status
Coming soon. Exp. release 2026, October 23

iPhone Air 1st gen

Announced
2025 Sep 9
Status
Available. Released 2025 Sep 19

iPhone Duo

Dimensions

Unfolded: 117.8 x 164.6 x 5.2 mm

Folded: 117.8 x 84.1 x 11.3 mm

Weight
254 g (8.96 oz)
Build
Glass front (Ceramic Shield 2) (folded), titanium frame & hindge (grade 5), glass back (Ceramic Shield)
SIM

· eSIM + eSIM (8 or more, max 2 at a time) - Global

· eSIM + eSIM (China)

IP68 dust tight and water resistant (immersible up to 6m for 30 min)

Stylus support

iPhone Air 1st gen

Dimensions
156.2 × 74.7 × 11.3 mm
Weight
165 g
Build
Ceramic Shield 2
SIM
e-SIM
Protection
IP68 dust/water resistant (600 cm, 30 min)
Extras
Haptic touch feedback, Tactile touch feedback

iPhone Duo

Type
LTPO Super Retina XDR OLED120HzHDR10Dolby Vision1000 nits (typ)1600 nits (HBM)3000 nits (peak)
Size
7.6 inches, 175.4 cm2 (~90.4% screen-to-body ratio)
Resolution
1878 x 2670 pixels (~430 ppi density)
Protection

Nano Texture finish

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

iPhone Air 1st gen

Type
AM-OLED display, Super Retina XDR, 1073.7M colors, 120 Hz
Size
6.6 inches
Resolution
1260x2736 pixels (~460 PPI density), ~90.1% screen-to-body ratio
Protection
Ceramic Shield 2
Touch
Capacitive multi-touch screen
Notch/Hole
1-hole

iPhone Duo

OS
iOS 27
Chipset
Apple A20 Pro (2 nm)
CPU
Hexa-core (2x GHz high performance + 4x GHz)
GPU
Apple GPU (7-core graphics)

iPhone Air 1st gen

OS
Apple iOS 26
Chipset
Apple A19 Pro L APL1V12 T8150 (Thera) 3 nm
CPU
4.26 GHz hexa-core
GPU
Apple G18P MP5 (1470 MHz)

iPhone Duo

Card slot
No
Internal
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 2TB 12GB RAM

iPhone Air 1st gen

Card slot
No
Internal
1TB 12GB RAM, 1TB 12GB RAM, 512GB 12GB RAM, 256GB 12GB RAM

iPhone Duo

Dual

48 MP, f/1.6, 26mm (wide), 1/1.56", 1.0µm, PDAF, sensor-shift OIS

48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF

Features
Dual-LED dual-tone flash, HDR (photo/panorama)
Video
4K@24/25/30/60/100/120fps1080p@25/30/60/120/240fps10-bit HDRDolby Vision HDR (up to 120fps)ProRes3D (spatial) video/audiostereo sound rec.

iPhone Air 1st gen

Single

48.0 MP, f/1.60, 26mm, 1.0 x optical zoom, BSI CMOS, 1.00µm, PD AF, EIS (video), OIS, OIS (video), Pixel unification, HDR photo, HDR video, Red-eye reduction, Slow motion video, Burst mode, Touch focus, Macro mode, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection

Other features
single LED flash
Video
3840x2160 pixel

iPhone Duo

Single

XX MP under display camera, f/1.8, 1080p@30/60fps video

Cover camera:

12 MP multi-aspect, f/2.2, (wide), AF

Features
HDR, Dolby Vision HDR, spatial audio, stereo sound rec.
Video
4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS

iPhone Air 1st gen

Dual

18.0 MP, f/1.90, BSI CMOS, PD AF, EIS, EIS (video), HDR photo, HDR video, Slow motion video, Burst mode, Panorama Photo, Face detection, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection

Mono CMOS sensor (depth/mono)

Video
3840x2160 pixel

iPhone Duo

Loudspeaker
Yes, with stereo speakers
3.5mm jack
No

iPhone Air 1st gen

Loudspeaker
mono
3.5mm jack
No
Audio features
Voice speakerSpeakerphoneANCHD VoiceVoLTEViLTE

iPhone Duo

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot
Bluetooth
6.0, A2DP, LE
Positioning
GPS (L1+L5)GLONASSGALILEOBDSQZSSNavIC
NFC
Yes
Radio
No
USB
USB Type-C 3.2 Gen 2, DisplayPort

iPhone Air 1st gen

WLAN
802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax, 802.11be
Bluetooth
Bluetooth 6.0
Positioning
Simultaneous GPSA-GPSDual-frequency GPSGeotaggingQuickGPSQZSSNavICSatellite MessageSatellite SOS
Satellite details
GLONASS (L1OF); Galileo (E1); BeiDou (B1I BeiDou receiver)
NFC
Yes
USB
USB C reversible USB 2.0
USB features
USB chargingUSB fast chargingUSB HostUSB OTG 1.3USB PDUSB PD 2.0
Wireless features
UMA, Wi-Fi Calling

iPhone Duo

Sensors

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer

Ultra Wideband (UWB) support (gen2 chip)

Emergency SOS, Messages and Find My via satellite

iPhone Air 1st gen

Sensors
AccelerometerGyroCompassBarometerL sensorP sensorStep counterIR face sensorNFC
Software
Voice CommandNavigation softwareAugmented Reality (AR)Intelligent personal assistantVoice RecognitionFace Recognition

iPhone Duo

Type
Li-Ion
Charging

Wired, PD3.2, AVS, 50% in 20 min

25W wireless MagSafe/Qi2, 50% in 30 min

iPhone Air 1st gen

Type
3149 mAh battery 12.25 Wh Li-ion
Charging
18.0 W charging wired, 20.0 W wireless (Qi, MagSafe)
Nominal Battery Voltage
3.89 Volts

iPhone Duo

Colors
Night Sky, Star White
Models
A3720, A3721, A3447, A3719
Price
About 2300 EUR

iPhone Air 1st gen

Models
iPhone Air 1st gen 5G A3517 Global Dual SIM TD-LTE 256GB
Price
999
Market
AfricaAsiaAustraliaCentral AmericaEastern EuropeEuropeMiddle EastNorth AmericaOceaniaSouth AmericaSoutheast AsiaWestern EuropeWorldwide
Countries
Afghanistan, Algeria, Argentina +83 more
SAR (head)
1.190 W/kg
SAR (body)
1.190 W/kg
2nd highest SAR (head)
1.490 W/kg
2nd highest SAR (body)
1.490 W/kg