Side-by-side technical data
Apple iPhone Duo vs Apple iPhone 18 Pro Max
Comparison between Apple iPhone Duo and Apple iPhone 18 Pro Max: camera, battery, fast charging, display, performance and colors, side by side. More phones from Apple.
NeoTeo's verdict
Which of the two is the better buy
The Apple iPhone 18 Pro Max is the more complete choice: it leads the Duo in camera, battery, and design, with an overall NeoScore of 8.8 to 8.3. The Duo stands apart for its foldable design and larger screen.
The Apple iPhone Duo opens to a 7.6″ display, versus 6.9″ on the iPhone 18 Pro Max, and has 1878 px of horizontal resolution against 1320 px. Brandon Butch found the center crease barely noticeable. The Duo offers more room for multitasking; the Pro Max is thinner at 8.8 mm versus 11.3 mm.
For photography, the iPhone 18 Pro Max has the edge: it has a rear telephoto camera, which the Duo lacks, and its main camera’s aperture is f/1.5 versus f/1.6. MacSparky also judged the Pro Max camera system superior; Brandon Butch noted the Duo’s missing telephoto. The Pro Max is the stronger pick for more versatile shooting.
Apple iPhone Duo
The Apple iPhone Duo is the better buy for anyone looking for a foldable phone with a roomy 7.6″ display.
Apple iPhone 18 Pro Max
The Apple iPhone 18 Pro Max is the better buy for photography, with a rear telephoto camera and an f/1.5 main camera aperture.
The verdict
Your pick: Apple iPhone 18 Pro Max, ahead on Design & display, Camera and Battery & charging.
| Category | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| Design & display | 7.8 | 8.3 |
| Performance & hardware | 9.0 | 9.1 |
| Camera | 7.4 | 9.0 |
| Connectivity | 9.6 | 9.6 |
| Battery & charging | 7.3 | 8.2 |
Which one is for you?
Apple iPhone Duo, if you care about…
- Display Horizontal Resolution
- 1,398 px
- against 1,320 px
Apple iPhone 18 Pro Max, if you care about…
- Display Technology
- LTPO OLED
- against OLED
- Maximum Storage Capacity
- 2 TB
- against 256 GB
- Peak Display Brightness
- 3,000 nits
- against 1,000 nits
- Battery Features
- Fast Charging, Wireless Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator
- against Wireless Charging, Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable
Video reviews
The comparison on video
iPhone 18 Pro Max vs iPhone Duo - 12 KEY Differences!
Brandon Butch · 12:50
YouTube videos picked by relevance. They belong to the channels shown, not to NeoTeo.
Specification comparison
Performance
| Specification | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| Processor Model | Apple A20 Pro | Apple A20 Pro |
| Processor Process Size | 2 nm | 2 nm |
| Graphics GPU | Apple GPU (7-core graphics) | Apple A20 Pro GPU |
| Storage Type | NVMe | NVMe |
| Maximum CPU Clock | 3.5 GHz | 4.9 GHz Best value |
| Maximum Storage Capacity | 256 GB | 2 TB Best value |
| AnTuTu Score | 3,010,000 | 3,010,000 |
| Geekbench 6 Single-Core | 4,459 | 4,459 |
| Geekbench 6 Multi-Core | 13,493 | 13,493 |
| CPU Description | 2xXX GHz Super + 4xXX GHz Efficiency | Hexa-core CPU with two high-performance cores and four efficiency cores. |
| Processor Type | Hexa-Core | Hexa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 12 GB | 12 GB |
| RAM Type | — | DDR5 |
| AnTuTu version | v11 | v11 |
Design
| Specification | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| Body Colors | Black, White | Black, Silver, Burgundy, White, Blue, Brown, Cyan |
| Body Thickness | 11.3 mm | 8.8 mm Best value |
| Body Width | 84.1 mm | 78 mm |
| Body Height | 117.8 mm | 163.4 mm |
| Weight | 254 g | 249 g Best value |
| Usable Surface | 88 % | 90.7 % Best value |
| Body Materials | Aluminium Alloy | Glass, Aluminium Alloy |
| Resistance Features | IP68 | IP68 |
| Waterproof Depth | 6 m | 6 m |
| Drop Resistance Class | B | — |
| Repairability Class | C | — |
| Foldable | Yes | No |
| Drop Test Count | 140 | — |
Battery
| Specification | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| Battery Efficiency Rating | A | — |
| Battery Capacity | 5,400 mAh | 5,567 mAh Best value |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | 40 W | 40 W |
| Battery Features | Wireless Charging, Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable | Fast Charging, Wireless Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator Best value |
| Wireless charging power | 25 W | 25 W |
| Charge cycles | 1,000 | — |
Display
| Specification | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| Display Aspect Ratio | 3:2 | 19.5:9 |
| Display Technology | OLED | LTPO OLED Best value |
| Peak Display Brightness | 1,000 nits | 3,000 nits Best value |
| Display Diagonal | 5.4″ | 6.9″ Best value |
| Display Horizontal Resolution | 1,398 px Best value | 1,320 px |
| Display Vertical Resolution | 2,034 px | 2,868 px Best value |
| Display Pixel Density | 457 ppi | 460 ppi Best value |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Display Contrast Ratio | 2,000,000 :1 | — |
| Display Features | Hole-Punch Notch, Variable Refresh Rate, Always-On Display, HDR10+, DCI-P3, Dolby Vision, Scratch Resistant, Ceramic Shield 2, Gorilla Glass, HDR10, Capacitive Touch, Multi-Touch, Anti-reflective coating, Frameless, LTPO, Secondary Display | Hole-Punch Notch, HDR10, Dolby Vision, Always-On Display, LTPO, Capacitive Touch, Multi-Touch, Scratch Resistant, Ceramic Shield, Anti-reflective coating, DCI-P3 |
Sensor
| Specification | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| Sensor Features | Cooling System, Accelerometer, Barometer, Compass, Gyroscope, LiDAR Scanner, Light Sensor, Proximity Sensor, 3D face recognition | Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Light Sensor, Cooling System, 3D face recognition, LiDAR Scanner |
Software
| Specification | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| Operating System | iOS 27 | iOS 27 |
| OS Family | iOS | iOS |
| OS Version | 27 | 27 |
| OS Update Support | 7 years | 7 years |
| Direct OS Updates | Yes | Yes |
Connectivity
| Specification | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| SIM Configurations | Dual eSIM | Nano-SIM + eSIM, Dual Nano-SIM, Dual eSIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 1900, 2G GSM 1800, 2G GSM 850, 2G GSM 900, 3G UMTS B1, 3G UMTS B2, 3G UMTS 1700 AWS, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B29, 4G LTE B30, 4G LTE B32, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B48, 4G LTE B53, 4G LTE B66, 4G LTE B71, 4G LTE B106, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n14, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n28b, 5G NR n30, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n53, 5G NR n66, 5G NR n70, 5G NR n75, 5G NR n77, 5G NR n78, 5G NR n79 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B30, 4G LTE B32, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B48, 4G LTE B53, 4G LTE B66, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n28b, 5G NR n30, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n53, 5G NR n66, 5G NR n70, 5G NR n75, 5G NR n77, 5G NR n78, 5G NR n79 |
| Cellular Technologies | GSM, UMTS, LTE, 5G | GSM, HSPA, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be), Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, MIMO | Tri-Band, Dual Band, Wi-Fi Hotspot, MIMO Best value |
| Bluetooth Version | Bluetooth 6.0 | Bluetooth 6.0 |
| Bluetooth Profiles | A2DP, LE, aptX | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, QZSS, Galileo, NavIC | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC |
| Connectivity Features | Computer Sync, eSIM, NFC, OTA Sync, Satellite Connectivity, Tethering, UWB, UMA (Unlicensed Mobile Access), VoLTE, VoWiFi, USB Charging, USB Mass Storage, USB Host 3.2, USB Type-C, USB 3.2 | UWB, Satellite Connectivity, NFC, USB Type-C, USB Host 3.2, DisplayPort output, eSIM, VoLTE, VoWiFi, OTA Sync, Tethering, USB Charging, USB Mass Storage, UMA (Unlicensed Mobile Access) |
| USB Version | USB 3.2 Gen 1 | USB 3.2 Gen 2 Best value |
| SAR American Head | — | 1.19 W/kg |
| SAR American Body | — | 1.19 W/kg |
| SAR (EU) head | — | 1.49 W/kg |
| Max. download speed | — | 6,000 Mbps |
Audio
| Specification | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| Audio Features | Dolby Atmos, Noise-Cancellation Microphone, Stereo Speakers, Three Microphones, A2DP, LE, aptX | Stereo Speakers, Dolby Atmos, Noise-Cancellation Microphone, Three Microphones, A2DP, LE |
Technical
| Specification | iPhone Duo | iPhone 18 Pro Max |
|---|---|---|
| Launch price | 2,399 € | — |
Related comparisons
- Apple iPhone Duo vs Huawei nova 16 Ultra
- Apple iPhone Duo vs Samsung Galaxy S26 Enterprise Edition
- Apple iPhone Duo vs OnePlus Ace 6
- Apple iPhone Duo vs Realme Neo8
- Apple iPhone 18 Pro Max vs Motorola Signature 27 5G
- Apple iPhone 18 Pro Max vs Xiaomi 17T Pro
- Apple iPhone 18 Pro Max vs Samsung Galaxy S26 Ultra
- Apple iPhone 18 Pro Max vs Oppo Find X10 Pro Max
