Galaxy S20 Ultra vs iPhone 17: Size & Dimensions Compared
The Galaxy S20 Ultra is the larger phone, measuring 17.3mm taller and 4.5mm wider.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (6.9" vs 6.3") — protector won't fit.
| Dimension | Galaxy S20 Ultra | iPhone 17 | Difference |
|---|---|---|---|
| Height | 166.9mm | 149.6mm | iPhone 17 -17.3mm (shorter) |
| Width | 76mm | 71.5mm | iPhone 17 -4.5mm (narrower) |
| Thickness | 8.8mm | 7.95mm | iPhone 17 -0.9mm (thinner) |
| Weight | 220g | 177g | iPhone 17 -43.0g (lighter) |
| Screen | 6.9" | 6.3" | iPhone 17 -0.6" (smaller) |
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 | Galaxy S20 Ultra | iPhone 17 |
|---|---|---|
| Wireless Charging | 10W | 25W |
| Qi Version | Qi | Qi2 |
| MagSafe | No | Gen 2 |
| 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 Galaxy S20 Ultra to iPhone 17?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy S20 Ultra
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Frequently Asked Questions
Is Galaxy S20 Ultra bigger than iPhone 17?
Yes, the Galaxy S20 Ultra is 17.3mm taller and 4.5mm wider. The Galaxy S20 Ultra weighs 220g vs 177g.
Are Galaxy S20 Ultra and iPhone 17 the same size?
No, the height differs by 17.3mm, width by 4.5mm, and thickness by 0.9mm.