Apple iPhone Duo vs iPhone 18 Pro Max

Here we compared two flagship smartphones: the 7.6-inch Apple iPhone Duo (with Apple A20 Pro) that was released on September 9, 2026, against the Apple iPhone 18 Pro Max, which is powered by the same chip. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

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Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Apple iPhone Duo
  • Has a 0.7 inch larger screen size
  • Fingerprint scanner
Reasons to consider the Apple iPhone 18 Pro Max
  • The rear camera has a 4x optical zoom
  • 14% better performance in AnTuTu Benchmark (3504K versus 3061K)
  • Better grip in hands – the body is 86.6 mm narrower

Review

Evaluation of Apple iPhone Duo and iPhone 18 Pro Max crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
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Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 256 GB
VS
12 / 256 GB
19.7
(Bad)
Value Index
38.2
(Mediocre)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type OLED OLED
Size 7.6 inches 6.9 inches
Resolution 1878 x 2670 pixels 1320 x 2868 pixels
Aspect ratio 1.4:1 19.5:9
PPI 430 ppi 460 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max rated brightness 3000 nits 3000 nits
Max rated brightness in HDR 1600 nits 1600 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Screen protection Ceramic Shield 2 Ceramic Shield 2
Screen-to-body ratio 90.9% 91.6%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Screen space comparison
iPhone Duo
7.6″ (1.4:1 ratio) = 27.3 in2
iPhone 18 Pro Max
6.9″ (19.5:9 ratio) = 18.1 in2
~50% more screen space
Peak brightness test (auto)

Design and build

Height 117.8 mm (4.64 inches) 163.4 mm (6.43 inches)
Width 164.6 mm (6.48 inches) 78 mm (3.07 inches)
Thickness 5.2 mm (0.2 inches) 8.75 mm (0.34 inches)
Weight 254 g (8.96 oz) 249 g (8.78 oz)
Waterproof IP68 IP68
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors White, Black Black, Silver, Blue, Burgundy
Fingerprint scanner Yes, in-button No
Screen-to-body ratio
90.9%
91.6%

Performance

Chipset specifications of Apple iPhone Duo and Apple iPhone 18 Pro Max
SoC
Chipset Apple A20 Pro Apple A20 Pro
Max clock 4930 MHz 4930 MHz
CPU cores 6 (2 + 4) 6 (2 + 4)
Architecture - 4 cores at 2.64 GHz:
- 2 cores at 4.93 GHz:
- 4 cores at 2.64 GHz:
- 2 cores at 4.93 GHz:
Manufacturing TSMC TSMC
Lithography process 2 nanometers 2 nanometers
Neural processor (NPU) Apple Neural Engine Apple Neural Engine
GPU
Graphics 7 core Apple GPU 7 core Apple GPU
GPU shading units 896 896
GPU clock 1620 MHz 1620 MHz
FLOPS ~2903 GFLOPS ~2903 GFLOPS

Benchmarks

Benchmark comparison of Apple iPhone Duo and Apple iPhone 18 Pro Max
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
13202
Compute Score (GPU)
51029
55104
Compute Score (GPU) 51029 55104
Single-core score 4731 4725
Multi-core score 13202 12575
Sources: Geekbench [3]
AnTuTu Benchmark 11
3061434
3504165
CPU 904154 964766
GPU 1139824 1393271
Memory 259571 400483
UX 757885 745645
Total score 3061434 3504165
Samples Less than 3 Less than 3

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 4800 MHz 4800 MHz
Channels 3 3
Storage
Storage size 256 GB 256 GB
Storage type NVMe NVMe
Memory card No No

Software

Operating system iOS 27 iOS 27
OS updates 7 years 7 years
Security updates 7 years 7 years

Battery

Capacity 5400 mAh 5567 mAh
Max charge power - 60 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging Yes (20 W) Yes (25 W)
Reverse charging Yes, (wireless) Yes
Bypass charging No No
Fast charging Yes (50% in 20 min) Yes (81% in 30 min)
Full charging time - 0:55 hr
Battery life tests
Web browsing - 14:13 hr
Watching video - 22:52 hr
Gaming - 08:36 hr
Standby - 146 hr
General battery life

Main camera

Matrix 48 megapixels 48 megapixels
Image resolution 8064 x 6048 8064 x 6048
Zoom Digital Optical, 4x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording No No
4K video recording Up to 120FPS Up to 120FPS
1080p video recording Up to 120FPS Up to 120FPS
Slow motion 240 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 120° 120°
Lenses 1) Standard: 48 MP
2) Ultrawide: 48 MP
1) Standard: 48 MP
2) Telephoto: 48 MP
3) Ultrawide: 48 MP
4) Depth
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 48 MP 48 MP
Aperture f/1.6 f/1.5 - 4.0
Focal length 26 mm 24 mm
Sensor size 1/1.56" (≈ 0.64 inch) 1/1.28" (≈ 0.78 inch)
Pixel size 1 micron 1 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution - 48 MP
Aperture - f/2.8
Focal length - 100 mm
Sensor size - 1/2.55" (≈ 0.39 inch)
Pixel size - 0.7 micron
Stabilization - Optical
Ultra-wide lens
Image resolution 48 MP 48 MP
Aperture f/2.2 f/2.2
Focal length 13 mm 13 mm
Sensor size 1/2.55" (≈ 0.39 inch) 1/2.55" (≈ 0.39 inch)
Pixel size 0.7 micron 0.7 micron
Stabilization Digital Digital

Selfie camera

Megapixels 12 megapixels 18 megapixels
Image resolution - 4896 x 3672
Aperture f/2.2 f/1.9
Focal length - 20 mm
Sensor CMOS CMOS
Pixel size - 1 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Optical Optical
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No Yes

Connectivity

Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 6.0 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort Yes Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC* Yes Yes
Infrared port No No
Network
Type of SIM card eSIM eSIM
Multi SIM mode - Standby
eSIM support* Yes Yes
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes

Other

Category Flagship Flagship
Announced September 2026 September 2026
Release date October 2026 September 2026
Launch price (MSRP) $1999 $1299
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Face recognition sensor
Bundled charger Not included Not included
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

These smartphones have a lot in common, but we would recommend the Apple iPhone 18 Pro Max. It has a better camera and battery life.

Cast your vote

So, which phone would you choose?
56 (42.7%)
75 (57.3%)
Total votes: 131

User opinions

You can share your opinion or ask a question in the comments below
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Avatar
Aleo September 19, 2026 at 08:54 AM
The sensor size of the iPhone Duo is 1/1.56” and not 1/1.28”, also, the iPhone 18 Pro Max also rocks the same 1/1.28” sensor, they just add variable aperture, hence it's a slightly different sensor.
0 Reply
Serhii September 21, 2026 at 07:41 AM
Thank you for suggestion :)
0 Reply