iPhone 17 Pro Max vs iPhone 15 Pro Max: Size & Dimensions Compared
The iPhone 17 Pro Max is the larger phone, measuring 3.5mm taller and 1.3mm 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 17 Pro Max | iPhone 15 Pro Max | Difference |
|---|---|---|---|
| Height | 163.4mm | 159.9mm | iPhone 15 Pro Max -3.5mm (shorter) |
| Width | 78mm | 76.7mm | iPhone 15 Pro Max -1.3mm (narrower) |
| Thickness | 8.75mm | 8.25mm | iPhone 15 Pro Max -0.5mm (thinner) |
| Weight | 233g | 221g | iPhone 15 Pro Max -12.0g (lighter) |
| Screen | 6.9" | 6.7" | iPhone 15 Pro Max -0.2" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The iPhone 17 Pro Max is the taller phone at 163.4mm (vs 159.9mm). It is also 12g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers and magnetic accessories work with both phones.
- ✓Your MagSafe charger will work with both devices.
- ✓Max wireless speed differs: iPhone 17 Pro Max charges at 25W, iPhone 15 Pro Max at 15W.
- ✓Both devices have built-in magnets — MagSafe wallets, car mounts, and battery packs will snap onto either phone.
| Spec | iPhone 17 Pro Max | iPhone 15 Pro Max |
|---|---|---|
| Wireless Charging | 25W | 15W |
| Qi Version | Qi2 | Qi |
| MagSafe | Gen 2 | Gen 1 |
| Built-in Magnets | Yes | Yes |
| Magnet Ring | bottom notched 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. Clear MagSafe cases have an additional incompatibility: the iPhone 17 Pro Max has a bottom-notched magnet ring visible through clear cases, while the iPhone 15 Pro Max has a standard closed circle.
Upgrading from iPhone 17 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 17 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 17 Pro Max bigger than iPhone 15 Pro Max?
Yes, the iPhone 17 Pro Max is 3.5mm taller and 1.3mm wider. The iPhone 17 Pro Max weighs 233g vs 221g.
Are iPhone 17 Pro Max and iPhone 15 Pro Max the same size?
No, the height differs by 3.5mm, width by 1.3mm, and thickness by 0.5mm.