No, your OnePlus 9 case won't fit the Realme 12 Pro+
The OnePlus 9 (160×74.2mm) and Realme 12 Pro+ (161.5×74mm) differ too much for cases to be compatible.
Does a OnePlus 9 Case Fit Realme 12 Pro+?
Last verified: March 2026
No, a OnePlus 9 case will not fit the Realme 12 Pro+. The phones have different dimensions that make cases incompatible.
Your OnePlus 9 case will NOT fit the Realme 12 Pro+. Here's why:
- •Height differs by 1.5mm — case won't fit
- •Old phone has alert slider — new phone does not
- •Different edge profiles (flat vs curved) — case shell shape won't match
- •Corner shape differs — case won't seat properly
| Spec | OnePlus 9 | Realme 12 Pro+ | Diff |
|---|---|---|---|
| Height | 160mm | 161.5mm | Realme 12 Pro+ +1.5mm |
| Width | 74.2mm | 74mm | OnePlus 9 +0.2mm |
| Thickness | 8.7mm | 8.8mm | Realme 12 Pro+ +0.1mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Old phone has alert slider — new phone does not
Your OnePlus 9 case won't fit the Realme 12 Pro+. 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.
OnePlus 9
Qi only
10W max
Realme 12 Pro+
No wireless
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 OnePlus 9 and Realme 12 Pro+ the same size?
OnePlus 9 measures 160×74.2×8.7mm while Realme 12 Pro+ measures 161.5×74×8.8mm. They are different sizes.
Can I use a OnePlus 9 screen protector on Realme 12 Pro+?
Edge types differ (flat vs curved) — screen protector won't adhere properly.
What's different between OnePlus 9 and Realme 12 Pro+ dimensions?
The height differs by 1.5mm, the width by 0.2mm, and thickness by 0.1mm.
Do I need a new case for Realme 12 Pro+?
Yes, you'll need a new case. The Realme 12 Pro+ has different dimensions than the OnePlus 9, so cases are not interchangeable.
Will OnePlus 9 accessories work with Realme 12 Pro+?
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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