Pixel 3a vs Galaxy S20: Size & Dimensions Compared
The Galaxy S20 is the larger phone, measuring 0.4mm shorter and 1.0mm 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 | Pixel 3a | Galaxy S20 | Difference |
|---|---|---|---|
| Height | 151.3mm | 151.7mm | Galaxy S20 +0.4mm (taller) |
| Width | 70.1mm | 69.1mm | Galaxy S20 -1.0mm (narrower) |
| Thickness | 8.2mm | 7.9mm | Galaxy S20 -0.3mm (thinner) |
| Weight | 147g | 163g | Galaxy S20 +16.0g (heavier) |
| Screen | 5.6" | 6.2" | Galaxy S20 +0.6" (larger) |
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 | Pixel 3a | Galaxy S20 |
|---|---|---|
| Wireless Charging | No | 10W |
| 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 Pixel 3a to Galaxy S20?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Pixel 3a
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Frequently Asked Questions
Is Pixel 3a bigger than Galaxy S20?
No, the Galaxy S20 is 0.4mm taller. The Pixel 3a weighs 147g vs 163g.
Are Pixel 3a and Galaxy S20 the same size?
No, the height differs by 0.4mm, width by 1.0mm, and thickness by 0.3mm.