Sizometry

Device sizes, specs, and comparisons.

iPhone 18 Pro Max vs Phone (4b)

Device summary

Apple

iPhone 18 Pro Max

Nothing

Phone (4b)

Full specifications

Basic information

Release year

iPhone 18 Pro Max
2026
Phone (4b)
2026

Starting price

iPhone 18 Pro Max
$1,299
Phone (4b)

Display size

iPhone 18 Pro Max
6.9-inch
Phone (4b)

Dimensions

iPhone 18 Pro Max
78.0 mm × 163.4 mm × 8.8 mm
Phone (4b)
78.2 mm × 164.4 mm × 8.6 mm

Weight

iPhone 18 Pro Max
249 g
Phone (4b)
210 g

Front material

iPhone 18 Pro Max
Ceramic Shield 2
Phone (4b)

Back material

iPhone 18 Pro Max
Ceramic Shield
Phone (4b)

Display

Display technology

iPhone 18 Pro Max
Super Retina XDR OLED
Phone (4b)

Resolution

iPhone 18 Pro Max
2868 × 1320
Phone (4b)

Refresh rate

iPhone 18 Pro Max
120 Hz
Phone (4b)

Peak brightness

iPhone 18 Pro Max
3000 nits
Phone (4b)

Protection

iPhone 18 Pro Max
Ceramic Shield 2
Phone (4b)

Performance

Chipset

iPhone 18 Pro Max
Apple A20 Pro
Phone (4b)
Snapdragon 6 Gen 4

Storage

iPhone 18 Pro Max
256 GB, 512 GB, 1024 GB, 2048 GB
Phone (4b)

Expandable storage

iPhone 18 Pro Max
No
Phone (4b)

Cameras

Main camera

iPhone 18 Pro Max
Fusion Main · 48 MP · ƒ/1.48–ƒ/4.0 · 24 mm · Second-generation sensor-shift OIS
Phone (4b)
Main · 50 MP

Ultra-wide camera

iPhone 18 Pro Max
Fusion Ultra Wide · 48 MP · ƒ/2.2 · 13 mm
Phone (4b)

Telephoto camera

iPhone 18 Pro Max
Fusion Telephoto · 48 MP · ƒ/2.8 · 100 mm · 4× optical zoom · 3D sensor-shift OIS
Phone (4b)

Front cameras

iPhone 18 Pro Max
Center Stage · 18 MP · ƒ/1.9
Phone (4b)

Video recording

iPhone 18 Pro Max
4K Dolby Vision up to 120 fps, ProRes up to 4K at 120 fps
Phone (4b)
4K

Battery & charging

Wireless charging

iPhone 18 Pro Max
25 W
Phone (4b)

Charging standard

iPhone 18 Pro Max
USB-C, MagSafe up to 25W, Qi2 up to 25W
Phone (4b)

Video playback (Manufacturer claim)

iPhone 18 Pro Max
45 h
Phone (4b)

Streamed video (Manufacturer claim)

iPhone 18 Pro Max
40 h
Phone (4b)

Battery type

iPhone 18 Pro Max
Built-in rechargeable lithium-ion
Phone (4b)

Connectivity

Cellular

iPhone 18 Pro Max
5G (sub-6 GHz and mmWave), Gigabit LTE
Phone (4b)

Wi‑Fi

iPhone 18 Pro Max
Wi‑Fi 7 (802.11be)
Phone (4b)

Bluetooth

iPhone 18 Pro Max
Bluetooth 6
Phone (4b)

USB

iPhone 18 Pro Max
USB-C (USB 3, up to 10Gb/s)
Phone (4b)

NFC

iPhone 18 Pro Max
Yes
Phone (4b)

eSIM

iPhone 18 Pro Max
Yes
Phone (4b)

Satellite

iPhone 18 Pro Max
Emergency SOS via satellite
Phone (4b)

Build & durability

Frame

iPhone 18 Pro Max
Aluminum unibody
Phone (4b)

Ingress protection

iPhone 18 Pro Max
IP68
Phone (4b)

Key differences

The most meaningful measured gaps in size and weight — not an overall winner.

  • Weight

    Phone (4b)

    39 g lighter

  • Height

    Phone (4b)

    1 mm taller · minor difference

  • Width

    Very similar width

  • Thickness

    Very similar thickness

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