iPhone 16 Pro Max vs Galaxy S21+: Size & Dimensions Compared
The iPhone 16 Pro Max is the larger phone, measuring 1.5mm taller and 2.0mm wider.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (6.9" vs 6.7") — protector won't fit.
| Dimension | iPhone 16 Pro Max | Galaxy S21+ | Difference |
|---|---|---|---|
| Height | 163mm | 161.5mm | Galaxy S21+ -1.5mm (shorter) |
| Width | 77.6mm | 75.6mm | Galaxy S21+ -2.0mm (narrower) |
| Thickness | 8.25mm | 7.8mm | Galaxy S21+ -0.5mm (thinner) |
| Weight | 227g | 200g | Galaxy S21+ -27.0g (lighter) |
| Screen | 6.9" | 6.7" | Galaxy S21+ -0.2" (smaller) |
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 | iPhone 16 Pro Max | Galaxy S21+ |
|---|---|---|
| Wireless Charging | 25W | 15W |
| Qi Version | Qi2 | Qi |
| MagSafe | Gen 2 | No |
| Built-in Magnets | Yes | No |
| Magnet Ring | closed circle | unknown |
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 iPhone 16 Pro Max to Galaxy S21+?
Different sizes mean your old case probably won't fit. You'll need a new one.
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 iPhone 16 Pro Max bigger than Galaxy S21+?
Yes, the iPhone 16 Pro Max is 1.5mm taller and 2.0mm wider. The iPhone 16 Pro Max weighs 227g vs 200g.
Are iPhone 16 Pro Max and Galaxy S21+ the same size?
No, the height differs by 1.5mm, width by 2.0mm, and thickness by 0.5mm.