iPhone 17 Pro Max vs iPhone 15 Plus: Size & Dimensions Compared
The iPhone 17 Pro Max is the larger phone, measuring 2.5mm taller and 0.2mm wider.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Edge types differ (flat vs curved) — screen protector won't adhere properly.
| Dimension | iPhone 17 Pro Max | iPhone 15 Plus | Difference |
|---|---|---|---|
| Height | 163.4mm | 160.9mm | iPhone 15 Plus -2.5mm (shorter) |
| Width | 78mm | 77.8mm | iPhone 15 Plus -0.2mm (narrower) |
| Thickness | 8.75mm | 7.8mm | iPhone 15 Plus -1.0mm (thinner) |
| Weight | 233g | 201g | iPhone 15 Plus -32.0g (lighter) |
| Screen | 6.9" | 6.7" | iPhone 15 Plus -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 160.9mm). It is also 32g 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 Plus 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 Plus |
|---|---|---|
| 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 Plus has a standard closed circle.
Upgrading from iPhone 17 Pro Max to iPhone 15 Plus?
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 Plus
Spigen
Spigen Liquid Air for iPhone 15 Plus
$14.99
OtterBox
OtterBox Commuter Series for iPhone 15 Plus
$39.95
OtterBox
OtterBox Defender Series for iPhone 15 Plus
$64.95
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Frequently Asked Questions
Is iPhone 17 Pro Max bigger than iPhone 15 Plus?
Yes, the iPhone 17 Pro Max is 2.5mm taller and 0.2mm wider. The iPhone 17 Pro Max weighs 233g vs 201g.
Are iPhone 17 Pro Max and iPhone 15 Plus the same size?
No, the height differs by 2.5mm, width by 0.2mm, and thickness by 1.0mm.