Redmi K90 vs REDMI K90 Ultra
84.3Performance64.4
65.4Display78.7
53.1Camera43.4
83.2Battery83.2
86.7Features86.7
2 spec wins — Redmi K905 spec wins — REDMI K90 Ultra
InnoReviews verdict
Redmi K90 wins this phone face-off, 74.3 to 69.1, pulling ahead mainly in performance (+20) and camera (+10). REDMI K90 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
- Stronger performance score: 84 vs 64
- Stronger camera score: 53 vs 43
Reasons to pick the REDMI K90 Ultra
- Stronger display score: 79 vs 65
- 38% higher Refresh rate: 165 Hz vs 120 Hz
- 20% higher capacity: 8,550 mAh vs 7,100 mAh
Display
| Spec | Redmi K90 | REDMI K90 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 6.83 ″+4% |
| Panel type | AMOLED | AMOLED |
| Resolution | 2510x1156 | 1280x2772 |
| Pixel density | 419 ppi | 447 ppi+7% |
| Refresh rate | 120 Hz | 165 Hz+38% |
| Peak brightness | 3,500 nits | 3,500 nits |
| Screen-to-body | 89.8 % | 90.3 %+1% |
Performance
| Spec | Redmi K90 | REDMI K90 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite |
| AnTuTu | 3,106,623Top 11% | — |
| AnTuTu 11 (CPU) | 872,376Top 15% | — |
| AnTuTu 11 (GPU) | 1,143,259Top 13% | — |
| AnTuTu 11 (Memory) | 462,601Top 6% | — |
| AnTuTu 11 (UX) | 628,387Top 13% | — |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256GB / 512GB / 1TB | 256/512GB |
| Storage type | UFS | UFS 4.1 |
Camera
| Spec | Redmi K90 | REDMI K90 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.88 | f/1.7 |
| Ultra-wide | 8 MP | 8 MP |
| Telephoto | 50 MP | — |
| Optical zoom | 2.5 x | — |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 20 MP | 20 MP |
| OIS | Yes | Yes |
Battery
| Spec | Redmi K90 | REDMI K90 Ultra |
|---|---|---|
| Capacity | 7,100 mAh | 8,550 mAh+20% |
| Wired charging | 100 W | 100 W |
Design
| Spec | Redmi K90 | REDMI K90 Ultra |
|---|---|---|
| Weight | 206 g+9% | 227 g |
| Thickness | 8 mm+2% | 8.2 mm |
| IP rating | IP68 | IP68/IP69 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Redmi K90 | REDMI K90 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C |
| eSIM | No | No |
Software
| Spec | Redmi K90 | REDMI K90 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 16 (HyperOS 3) |
Audio
| Spec | Redmi K90 | REDMI K90 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |