OnePlus 13 vs iPhone 15 Pro Max: Size & Dimensions Compared
The OnePlus 13 is the larger phone, measuring 3.0mm taller and 0.2mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes are close (6.82" vs 6.7") but may not align perfectly.
| Dimension | OnePlus 13 | iPhone 15 Pro Max | Difference |
|---|---|---|---|
| Height | 162.9mm | 159.9mm | iPhone 15 Pro Max -3.0mm (shorter) |
| Width | 76.5mm | 76.7mm | iPhone 15 Pro Max +0.2mm (wider) |
| Thickness | 8.5mm | 8.25mm | iPhone 15 Pro Max -0.3mm (thinner) |
| Weight | 213g | 221g | iPhone 15 Pro Max +8.0g (heavier) |
| Screen | 6.82" | 6.7" | iPhone 15 Pro Max -0.1" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The OnePlus 13 is the taller phone at 162.9mm (vs 159.9mm). It but is 8g lighter.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ⚠Your MagSafe charger will charge the OnePlus 13 via Qi, but it won't magnetically snap on.
- ✓Only the iPhone 15 Pro Max has built-in magnets for MagSafe accessories. The OnePlus 13 needs a magnetic case or ring adapter.
| Spec | OnePlus 13 | iPhone 15 Pro Max |
|---|---|---|
| Wireless Charging | 15W | 15W |
| Qi Version | Qi | Qi |
| MagSafe | No | Gen 1 |
| 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 OnePlus 13 to iPhone 15 Pro Max?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for OnePlus 13
Spigen
Spigen Ultra Hybrid for OnePlus 13
$15.99
Ringke
Ringke Fusion-X MagSafe for OnePlus 13
$23.99
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
As an Amazon Associate, WillItSnap earns from qualifying purchases.
Frequently Asked Questions
Is OnePlus 13 bigger than iPhone 15 Pro Max?
Yes, the OnePlus 13 is 3.0mm taller and 0.2mm narrower. The OnePlus 13 weighs 213g vs 221g.
Are OnePlus 13 and iPhone 15 Pro Max the same size?
No, the height differs by 3.0mm, width by 0.2mm, and thickness by 0.3mm.