Pixel 9a vs Galaxy S23 Ultra: Size & Dimensions Compared
The Galaxy S23 Ultra is the larger phone, measuring 8.7mm shorter and 4.8mm narrower.
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 9a | Galaxy S23 Ultra | Difference |
|---|---|---|---|
| Height | 154.7mm | 163.4mm | Galaxy S23 Ultra +8.7mm (taller) |
| Width | 73.3mm | 78.1mm | Galaxy S23 Ultra +4.8mm (wider) |
| Thickness | 8.9mm | 8.9mm | Same |
| Weight | 186g | 234g | Galaxy S23 Ultra +48.0g (heavier) |
| Screen | 6.3" | 6.8" | Galaxy S23 Ultra +0.5" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S23 Ultra is the taller phone at 163.4mm (vs 154.7mm). It is also 48g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ✓Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
| Spec | Pixel 9a | Galaxy S23 Ultra |
|---|---|---|
| Wireless Charging | 15W | 15W |
| Qi Version | Qi | 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 9a to Galaxy S23 Ultra?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Pixel 9a
Accessories for Galaxy S23 Ultra
Spigen
Spigen Tough Armor for Galaxy S23 Ultra
$17.99
OtterBox
OtterBox Defender Series for Galaxy S23 Ultra
$64.95
TORRAS
TORRAS MarsClimber for Galaxy S23 Ultra
$19.99
As an Amazon Associate, WillItSnap earns from qualifying purchases.
Frequently Asked Questions
Is Pixel 9a bigger than Galaxy S23 Ultra?
No, the Galaxy S23 Ultra is 8.7mm taller. The Pixel 9a weighs 186g vs 234g.
Are Pixel 9a and Galaxy S23 Ultra the same size?
No, the height differs by 8.7mm, width by 4.8mm, and thickness by 0.0mm.