Galaxy S21+ vs iPhone 16 Pro Max: Size & Dimensions Compared
The iPhone 16 Pro Max is the larger phone, measuring 1.5mm shorter and 2.0mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (6.7" vs 6.9") — protector won't fit.
| Dimension | Galaxy S21+ | iPhone 16 Pro Max | Difference |
|---|---|---|---|
| Height | 161.5mm | 163mm | iPhone 16 Pro Max +1.5mm (taller) |
| Width | 75.6mm | 77.6mm | iPhone 16 Pro Max +2.0mm (wider) |
| Thickness | 7.8mm | 8.25mm | iPhone 16 Pro Max +0.5mm (thicker) |
| Weight | 200g | 227g | iPhone 16 Pro Max +27.0g (heavier) |
| Screen | 6.7" | 6.9" | iPhone 16 Pro Max +0.2" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The iPhone 16 Pro Max is the taller phone at 163mm (vs 161.5mm). It is also 27g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ⚠Your MagSafe charger will charge the Galaxy S21+ via Qi, but it won't magnetically snap on.
- ✓Only the iPhone 16 Pro Max has built-in magnets for MagSafe accessories. The Galaxy S21+ needs a magnetic case or ring adapter.
| Spec | Galaxy S21+ | iPhone 16 Pro Max |
|---|---|---|
| Wireless Charging | 15W | 25W |
| Qi Version | Qi | Qi2 |
| MagSafe | No | Gen 2 |
| Built-in Magnets | No | Yes |
| Magnet Ring | unknown | closed circle |
MagSafe cases are NOT cross-compatible between these devices — the case body is shaped to each phone, even though the internal magnet ring may be the same.
Upgrading from Galaxy S21+ to iPhone 16 Pro Max?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy S21+
Accessories for iPhone 16 Pro Max
Apple
Apple iPhone 16 Pro Max Silicone Case with MagSafe
$49.00
OtterBox
OtterBox Defender for iPhone 16 Pro Max
$64.95
Spigen
Spigen Ultra Hybrid for iPhone 16 Pro Max
$16.99
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Frequently Asked Questions
Is Galaxy S21+ bigger than iPhone 16 Pro Max?
No, the iPhone 16 Pro Max is 1.5mm taller. The Galaxy S21+ weighs 200g vs 227g.
Are Galaxy S21+ and iPhone 16 Pro Max the same size?
No, the height differs by 1.5mm, width by 2.0mm, and thickness by 0.5mm.