No, your Galaxy Z Flip 3 case won't fit the Galaxy S20 Ultra
The Galaxy Z Flip 3 (86.4×72.2mm) and Galaxy S20 Ultra (166.9×76mm) differ too much for cases to be compatible.
Does a Galaxy Z Flip 3 Case Fit Galaxy S20 Ultra?
Last verified: March 2026
No, a Galaxy Z Flip 3 case will not fit the Galaxy S20 Ultra. The phones have different dimensions that make cases incompatible.
Your Galaxy Z Flip 3 case will NOT fit the Galaxy S20 Ultra. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | Galaxy Z Flip 3 | Galaxy S20 Ultra | Diff |
|---|---|---|---|
| Height | 86.4mm | 166.9mm | Galaxy S20 Ultra +80.5mm |
| Width | 72.2mm | 76mm | Galaxy S20 Ultra +3.8mm |
| Thickness | 17.1mm | 8.8mm | Galaxy Z Flip 3 +8.3mm |
| Camera Layout | vertical-dual | rectangular-module | Different |
| Port | usb-c | usb-c | Same |
Your Galaxy Z Flip 3 case won't fit the Galaxy S20 Ultra. Find the right case:
As an Amazon Associate, WillItSnap earns from qualifying purchases. This doesn't affect our compatibility data.
Get alerts when we add more phones
Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
Galaxy Z Flip 3
Qi only
15W max
Galaxy S20 Ultra
Qi only
10W max
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.
Related Guides
Related Compatibility Checks
Frequently Asked Questions
Are Galaxy Z Flip 3 and Galaxy S20 Ultra the same size?
Galaxy Z Flip 3 measures 86.4×72.2×17.1mm while Galaxy S20 Ultra measures 166.9×76×8.8mm. They are different sizes.
Can I use a Galaxy Z Flip 3 screen protector on Galaxy S20 Ultra?
Edge types differ (rounded vs curved) — screen protector won't adhere properly.
What's different between Galaxy Z Flip 3 and Galaxy S20 Ultra dimensions?
The height differs by 80.5mm, the width by 3.8mm, and thickness by 8.3mm. The camera module layout is also different.
Do I need a new case for Galaxy S20 Ultra?
Yes, you'll need a new case. The Galaxy S20 Ultra has different dimensions than the Galaxy Z Flip 3, so cases are not interchangeable.
Will Galaxy Z Flip 3 accessories work with Galaxy S20 Ultra?
Chargers and cables are compatible since both phones use the same usb-c port. Both support wireless charging, so wireless chargers work with either phone. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
Want to check another phone?
← Back to the compatibility checker