Galaxy S20 vs Pixel 3a: Size & Dimensions Compared
The Galaxy S20 is the larger phone, measuring 0.4mm taller and 1.0mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Edge types differ (curved vs flat) — screen protector won't adhere properly.
| Dimension | Galaxy S20 | Pixel 3a | Difference |
|---|---|---|---|
| Height | 151.7mm | 151.3mm | Pixel 3a -0.4mm (shorter) |
| Width | 69.1mm | 70.1mm | Pixel 3a +1.0mm (wider) |
| Thickness | 7.9mm | 8.2mm | Pixel 3a +0.3mm (thicker) |
| Weight | 163g | 147g | Pixel 3a -16.0g (lighter) |
| Screen | 6.2" | 5.6" | Pixel 3a -0.6" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S20 is the taller phone at 151.7mm (vs 151.3mm). It is also 16g heavier.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The Pixel 3a does not support wireless charging. Only the Galaxy S20 can use a wireless charger.
| Spec | Galaxy S20 | Pixel 3a |
|---|---|---|
| Wireless Charging | 10W | No |
| Qi Version | Qi | — |
| MagSafe | No | No |
| Built-in Magnets | No | No |
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 to Pixel 3a?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy S20
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Frequently Asked Questions
Is Galaxy S20 bigger than Pixel 3a?
Yes, the Galaxy S20 is 0.4mm taller and 1.0mm narrower. The Galaxy S20 weighs 163g vs 147g.
Are Galaxy S20 and Pixel 3a the same size?
No, the height differs by 0.4mm, width by 1.0mm, and thickness by 0.3mm.