iPhone 12 Pro Max vs iPhone 15 Pro Max: Size & Dimensions Compared
The iPhone 12 Pro Max is the larger phone, measuring 0.9mm taller and 1.4mm wider.
Visual Size Overlay
- •Height differs by 0.9mm — case may be tight or loose
- •Width differs by 1.4mm — case won't fit
- •0.8mm thicker — case won't close properly
Same screen size (6.7") but body width differs by 1.4mm — verify bezel alignment before buying.
| Dimension | iPhone 12 Pro Max | iPhone 15 Pro Max | Difference |
|---|---|---|---|
| Height | 160.8mm | 159.9mm | iPhone 15 Pro Max -0.9mm (shorter) |
| Width | 78.1mm | 76.7mm | iPhone 15 Pro Max -1.4mm (narrower) |
| Thickness | 7.4mm | 8.25mm | iPhone 15 Pro Max +0.8mm (thicker) |
| Weight | 228g | 221g | iPhone 15 Pro Max -7.0g (lighter) |
| Screen | 6.7" | 6.7" | Same |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The iPhone 12 Pro Max is the taller phone at 160.8mm (vs 159.9mm). It is also 7g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers and magnetic accessories work with both phones.
- ✓Your MagSafe charger will work with both devices.
- ✓Both devices have built-in magnets — MagSafe wallets, car mounts, and battery packs will snap onto either phone.
| Spec | iPhone 12 Pro Max | iPhone 15 Pro Max |
|---|---|---|
| Wireless Charging | 15W | 15W |
| Qi Version | Qi | Qi |
| MagSafe | Gen 1 | Gen 1 |
| Built-in Magnets | Yes | Yes |
| Magnet Ring | closed circle | 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 iPhone 12 Pro Max to iPhone 15 Pro Max?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for iPhone 12 Pro Max
Accessories for iPhone 15 Pro Max
Apple
Apple iPhone 15 Pro Max Clear Case with MagSafe
$49.00
Caseology
Caseology Parallax for iPhone 15 Pro Max
$16.99
Spigen
Spigen Ultra Hybrid MagFit for iPhone 15 Pro Max
$17.99
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Frequently Asked Questions
Is iPhone 12 Pro Max bigger than iPhone 15 Pro Max?
Yes, the iPhone 12 Pro Max is 0.9mm taller and 1.4mm wider. The iPhone 12 Pro Max weighs 228g vs 221g.
Are iPhone 12 Pro Max and iPhone 15 Pro Max the same size?
No, the height differs by 0.9mm, width by 1.4mm, and thickness by 0.8mm.