Xiaomi Redmi K80 Ultra vs Xiaomi Redmi K90
Prices and specifications side by side. A green cell means that phone is ahead on that row: lower price, bigger battery, faster charging, longer updates and so on.
| Price | ||
|---|---|---|
| Unofficial price | ৳ 52,000 (ahead) | ৳ 55,000 |
| Price updated | 13 Nov 2026 | 12 Nov 2026 |
| Display | ||
| Size | 6.83 inch | 6.59 inch |
| Type | OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak) | LTPO AMOLED, 68B colors, 2560Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak) |
| Refresh rate | 144Hz | 2560Hz (ahead) |
| Resolution | 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) (ahead) | 1156 x 2510 pixels, 19.5:9 ratio (~419 ppi density) |
| Performance | ||
| Chipset | Mediatek Dimensity 9400+ (3 nm) | Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) |
| RAM / Storage | 12 / 256 GB, 16 / 256 GB, 12 / 512 GB, 16 / 512 GB, 16 / 1 TB | 12 / 256 GB, 12 / 512 GB, 16 / 512 GB, 16 / 1 TB |
| Max RAM | 16 GB | 16 GB |
| Max storage | 1 TB | 1 TB |
| Operating system | Android 15, HyperOS 2 | Android 16, HyperOS 3 |
| Camera | ||
| Rear | 50 MP, f/1.9, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm | 50 MP, f/1.9, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 50 MP, f/2.2, 60mm (telephoto), PDAF, 2.5x optical zoom 8 MP, f/2.2, 15mm, 120˚ (ultrawide) |
| Battery | ||
| Capacity | 7,410 mAh (ahead) | 7,100 mAh |
| Charging | 100W wired | 100W wired |
| Body & network | ||
| Weight | 219 g | 206 g (ahead) |
| 5G | Yes | Yes |
| NFC | Yes | Yes |
| Release date | June 2025 | October 2025 |
| Status | Available | Available |
Prices can differ between shops and over time; each phone page shows the date its price was checked. "Ahead" only compares numbers (price, battery, charging, camera megapixels and so on), not how a phone feels to use. PikHub does not sell phones.