Pixel 3a vs Galaxy S25: Size & Dimensions Compared
The Pixel 3a is the larger phone, measuring 4.4mm taller and 0.4mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (5.6" vs 6.2") — protector won't fit.
| Dimension | Pixel 3a | Galaxy S25 | Difference |
|---|---|---|---|
| Height | 151.3mm | 146.9mm | Galaxy S25 -4.4mm (shorter) |
| Width | 70.1mm | 70.5mm | Galaxy S25 +0.4mm (wider) |
| Thickness | 8.2mm | 7.2mm | Galaxy S25 -1.0mm (thinner) |
| Weight | 147g | 162g | Galaxy S25 +15.0g (heavier) |
| Screen | 5.6" | 6.2" | Galaxy S25 +0.6" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Pixel 3a is the taller phone at 151.3mm (vs 146.9mm). It but is 15g lighter.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The Pixel 3a does not support wireless charging. Only the Galaxy S25 can use a wireless charger.
| Spec | Pixel 3a | Galaxy S25 |
|---|---|---|
| Wireless Charging | No | 15W |
| Qi Version | — | Qi2 |
| MagSafe | No | No |
| Built-in Magnets | No | No |
| Magnet Ring | none | none built in |
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 S25?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Pixel 3a
Accessories for Galaxy S25
Spigen
Spigen Liquid Air for Galaxy S25
$14.99
Samsung
Samsung Galaxy S25 Silicone Case
$29.99
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Frequently Asked Questions
Is Pixel 3a bigger than Galaxy S25?
Yes, the Pixel 3a is 4.4mm taller and 0.4mm narrower. The Pixel 3a weighs 147g vs 162g.
Are Pixel 3a and Galaxy S25 the same size?
No, the height differs by 4.4mm, width by 0.4mm, and thickness by 1.0mm.