iPhone 17 vs Galaxy S20 Ultra: Size & Dimensions Compared
The Galaxy S20 Ultra is the larger phone, measuring 17.3mm shorter and 4.5mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (6.3" vs 6.9") — protector won't fit.
| Dimension | iPhone 17 | Galaxy S20 Ultra | Difference |
|---|---|---|---|
| Height | 149.6mm | 166.9mm | Galaxy S20 Ultra +17.3mm (taller) |
| Width | 71.5mm | 76mm | Galaxy S20 Ultra +4.5mm (wider) |
| Thickness | 7.95mm | 8.8mm | Galaxy S20 Ultra +0.9mm (thicker) |
| Weight | 177g | 220g | Galaxy S20 Ultra +43.0g (heavier) |
| Screen | 6.3" | 6.9" | Galaxy S20 Ultra +0.6" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S20 Ultra is the taller phone at 166.9mm (vs 149.6mm). It is also 43g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ⚠Your MagSafe charger will charge the Galaxy S20 Ultra via Qi, but it won't magnetically snap on.
- ✓Only the iPhone 17 has built-in magnets for MagSafe accessories. The Galaxy S20 Ultra needs a magnetic case or ring adapter.
| Spec | iPhone 17 | Galaxy S20 Ultra |
|---|---|---|
| Wireless Charging | 25W | 10W |
| 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 17 to Galaxy S20 Ultra?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for iPhone 17
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Frequently Asked Questions
Is iPhone 17 bigger than Galaxy S20 Ultra?
No, the Galaxy S20 Ultra is 17.3mm taller. The iPhone 17 weighs 177g vs 220g.
Are iPhone 17 and Galaxy S20 Ultra the same size?
No, the height differs by 17.3mm, width by 4.5mm, and thickness by 0.9mm.