REDMI K90 Ultra vs Xiaomi 13 Ultra
64.4Performance54
78.7Display64.2
43.4Camera69.5
83.2Battery71.6
86.7Features65.3
7 spec wins — REDMI K90 Ultra3 spec wins — Xiaomi 13 Ultra
InnoReviews verdict
REDMI K90 Ultra wins this phone face-off, 69.1 to 63.8, pulling ahead mainly in features (+21) and display (+15). Xiaomi 13 Ultra still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the REDMI K90 Ultra
- Stronger performance score: 64 vs 54
- Stronger display score: 79 vs 64
- Stronger battery score: 83 vs 72
- Stronger features score: 87 vs 65
- 71% higher capacity: 8,550 mAh vs 5,000 mAh
Reasons to pick the Xiaomi 13 Ultra
- Stronger camera score: 70 vs 43
- 525% higher ultra-wide: 50 MP vs 8 MP
- 60% higher Front camera: 32 MP vs 20 MP
- 17% higher Pixel density: 522 ppi vs 447 ppi
Display
| Spec | REDMI K90 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Screen size | 6.83 ″+1% | 6.73 ″ |
| Panel type | AMOLED | LTPO OLED |
| Resolution | 1280x2772 | 3200x1440 |
| Pixel density | 447 ppi | 522 ppi+17% |
| Refresh rate | 165 Hz+38% | 120 Hz |
| Peak brightness | 3,500 nits+35% | 2,600 nits |
| Screen-to-body | 90.3 % | — |
Performance
| Spec | REDMI K90 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Gen 2 |
| AnTuTu | — | 1,550,000 |
| Geekbench 6 (single) | — | 2,050Top 32% |
| Geekbench 6 (multi) | — | 5,500Top 34% |
| RAM (max) | 16 GB+33% | 12 GB |
| Storage options | 256/512GB | 256GB / 512GB / 1TB |
| Storage type | UFS 4.1 | UFS 4.0 |
Camera
| Spec | REDMI K90 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.7 | f/1.9-4.0 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | — | 50 MP |
| Optical zoom | — | 5 x |
| Max video | 8K@30fps | 8K@24fps |
| Front camera | 20 MP | 32 MP+60% |
| OIS | Yes | Yes |
Battery
| Spec | REDMI K90 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Capacity | 8,550 mAh+71% | 5,000 mAh |
| Wired charging | 100 W+11% | 90 W |
| Wireless charging | — | 50 W |
Design
| Spec | REDMI K90 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Weight | 227 g | 227 g |
| Thickness | 8.2 mm+10% | 9.1 mm |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | REDMI K90 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | 5.4 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | No |
Software
| Spec | REDMI K90 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 13 (MIUI 14) |
| OS update pledge | — | 3 years |
Audio
| Spec | REDMI K90 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |