No, your Realme 12 Pro+ case won't fit the OnePlus 9
The Realme 12 Pro+ (161.5×74mm) and OnePlus 9 (160×74.2mm) differ too much for cases to be compatible.
Does a Realme 12 Pro+ Case Fit OnePlus 9?
Last verified: March 2026
No, a Realme 12 Pro+ case will not fit the OnePlus 9. The phones have different dimensions that make cases incompatible.
Your Realme 12 Pro+ case will NOT fit the OnePlus 9. Here's why:
- •Height differs by 1.5mm — case won't fit
- •New phone has alert slider — old case has no cutout for it
- •Different edge profiles (curved vs flat) — case shell shape won't match
- •Corner shape differs — case won't seat properly
| Spec | Realme 12 Pro+ | OnePlus 9 | Diff |
|---|---|---|---|
| Height | 161.5mm | 160mm | Realme 12 Pro+ +1.5mm |
| Width | 74mm | 74.2mm | OnePlus 9 +0.2mm |
| Thickness | 8.8mm | 8.7mm | Realme 12 Pro+ +0.1mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •New phone has alert slider — old case has no cutout for it
Your Realme 12 Pro+ case won't fit the OnePlus 9. Find the right case:
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Size Comparison
Wireless Charging & MagSafe
Only one phone supports wireless charging.
- The Realme 12 Pro+ does not support wireless charging. Only the OnePlus 9 can use a wireless charger.
Realme 12 Pro+
No wireless
OnePlus 9
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.
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Frequently Asked Questions
Are Realme 12 Pro+ and OnePlus 9 the same size?
Realme 12 Pro+ measures 161.5×74×8.8mm while OnePlus 9 measures 160×74.2×8.7mm. They are different sizes.
Can I use a Realme 12 Pro+ screen protector on OnePlus 9?
Edge types differ (curved vs flat) — screen protector won't adhere properly.
What's different between Realme 12 Pro+ and OnePlus 9 dimensions?
The height differs by 1.5mm, the width by 0.2mm, and thickness by 0.1mm.
Do I need a new case for OnePlus 9?
Yes, you'll need a new case. The OnePlus 9 has different dimensions than the Realme 12 Pro+, so cases are not interchangeable.
Will Realme 12 Pro+ accessories work with OnePlus 9?
Chargers and cables are compatible since both phones use the same usb-c port. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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