REDMI K90 Ultra vs Xiaomi 12
64.4Performance43.2
78.7Display47.7
43.4Camera47
83.2Battery62.5
86.7Features65.3
7 spec wins — REDMI K90 Ultra3 spec wins — Xiaomi 12
InnoReviews verdict
REDMI K90 Ultra wins this phone face-off, 69.1 to 50.9, pulling ahead mainly in display (+31) and features (+21). Xiaomi 12 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 43
- Stronger display score: 79 vs 48
- Stronger battery score: 83 vs 63
- Stronger features score: 87 vs 65
- 218% higher Peak brightness: 3,500 nits vs 1,100 nits
Reasons to pick the Xiaomi 12
- Stronger camera score: 47 vs 43
- 63% higher ultra-wide: 13 MP vs 8 MP
- 60% higher Front camera: 32 MP vs 20 MP
- 21% lower weight: 180 g vs 227 g
Display
| Spec | REDMI K90 Ultra | Xiaomi 12 |
|---|---|---|
| Screen size | 6.83 ″+9% | 6.28 ″ |
| Panel type | AMOLED | AMOLED |
| Resolution | 1280x2772 | 2400x1080 |
| Pixel density | 447 ppi+7% | 419 ppi |
| Refresh rate | 165 Hz+38% | 120 Hz |
| Peak brightness | 3,500 nits+218% | 1,100 nits |
| Screen-to-body | 90.3 % | — |
Performance
| Spec | REDMI K90 Ultra | Xiaomi 12 |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Gen 1 |
| AnTuTu | — | 1,150,000 |
| Geekbench 6 (single) | — | 1,720Top 42% |
| Geekbench 6 (multi) | — | 4,300Top 45% |
| RAM (max) | 16 GB+100% | 8 GB |
| Storage options | 256/512GB | 128GB / 256GB |
| Storage type | UFS 4.1 | UFS 3.1 |
Camera
| Spec | REDMI K90 Ultra | Xiaomi 12 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.7 | f/1.9 |
| Ultra-wide | 8 MP | 13 MP+63% |
| Max video | 8K@30fps | 8K@24fps |
| Front camera | 20 MP | 32 MP+60% |
| OIS | Yes | Yes |
Battery
| Spec | REDMI K90 Ultra | Xiaomi 12 |
|---|---|---|
| Capacity | 8,550 mAh+90% | 4,500 mAh |
| Wired charging | 100 W+49% | 67 W |
| Wireless charging | — | 50 W |
Design
| Spec | REDMI K90 Ultra | Xiaomi 12 |
|---|---|---|
| Weight | 227 g | 180 g+21% |
| Thickness | 8.2 mm | 8.2 mm |
| IP rating | IP68/IP69 | — |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | REDMI K90 Ultra | Xiaomi 12 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.2 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | REDMI K90 Ultra | Xiaomi 12 |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 12 (MIUI 13) |
| OS update pledge | — | 3 years |
Audio
| Spec | REDMI K90 Ultra | Xiaomi 12 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |