# Xiaomi 15 vs Asus Zenfone 12 Ultra: specs and price compared

A sourced, side-by-side comparison of the Xiaomi 15 (Xiaomi) and Asus Zenfone 12 Ultra (Asus) among smartphones.

## Side by side

| Spec | Xiaomi 15 | Asus Zenfone 12 Ultra |
| --- | --- | --- |
| US price | not published | not published |
| Brand | Xiaomi | Asus |
| Released | 2025-03 | 2025-02 |
| Display (in) | 6.36 | 6.78 |
| Display type | LTPO OLED | LTPO AMOLED |
| Refresh (Hz) | 120 | 144 |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite |
| RAM (GB) | 12 | 12 |
| Storage (GB) | 256 | 256 |
| Main camera (MP) | 50 | 50 |
| Battery (mAh) | 5240 | 5500 |
| Charge (W) | 90 | 65 |
| Weight (g) | 191 | 220 |
| OS | Android 15 | Android 15 |
| IP rating | IP68 | IP68 |
| Fiveg | Yes | Yes |

## Key differences

- Display (in): Xiaomi 15 6.36 vs Asus Zenfone 12 Ultra 6.78
- Display type: Xiaomi 15 LTPO OLED vs Asus Zenfone 12 Ultra LTPO AMOLED
- Refresh (Hz): Xiaomi 15 120 vs Asus Zenfone 12 Ultra 144
- Battery (mAh): Xiaomi 15 5240 vs Asus Zenfone 12 Ultra 5500
- Charge (W): Xiaomi 15 90 vs Asus Zenfone 12 Ultra 65
- Weight (g): Xiaomi 15 191 vs Asus Zenfone 12 Ultra 220

## Sources

- Xiaomi 15: https://www.gsmarena.com/xiaomi_15-13472.php (gsmarena.com, verified 2026-06-15)
- Asus Zenfone 12 Ultra: https://www.gsmarena.com/asus_zenfone_12_ultra-13653.php (gsmarena.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/smartphones/xiaomi-15-vs-asus-zenfone-12-ultra/
Cite: Per The Front Desk Review, Xiaomi 15 (not published) vs Asus Zenfone 12 Ultra (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/smartphones/xiaomi-15-vs-asus-zenfone-12-ultra/
License: CC BY 4.0.