Motorola Signature vs REDMI K90 Ultra
73.5Performance64.4
94.2Display78.7
69.3Camera43.4
73.5Battery83.2
94.7Features86.7
7 spec wins — Motorola Signature4 spec wins — REDMI K90 Ultra
InnoReviews verdict
Motorola Signature wins this phone face-off, 78.9 to 69.1, pulling ahead mainly in camera (+26) and display (+16). 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 Motorola Signature
- Stronger performance score: 74 vs 64
- Stronger display score: 94 vs 79
- Stronger camera score: 69 vs 43
- Stronger features score: 95 vs 87
- 525% higher ultra-wide: 50 MP vs 8 MP
Reasons to pick the REDMI K90 Ultra
- Stronger battery score: 83 vs 74
- 64% higher capacity: 8,550 mAh vs 5,200 mAh
- 11% higher Wired charging: 100 W vs 90 W
Display
| Spec | Motorola Signature | REDMI K90 Ultra |
|---|---|---|
| Screen size | 6.8 ″ | 6.83 ″ |
| Panel type | LTPO AMOLED | AMOLED |
| Resolution | 1264x2780 | 1280x2772 |
| Pixel density | 446 ppi | 447 ppi |
| Refresh rate | 165 Hz | 165 Hz |
| Peak brightness | 6,200 nits+77% | 3,500 nits |
| Screen-to-body | 95.2 %+5% | 90.3 % |
Performance
| Spec | Motorola Signature | REDMI K90 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Gen 5 | Snapdragon 8 Elite |
| Geekbench 6 (single) | 2,908Top 17% | — |
| Geekbench 6 (multi) | 9,678Top 10% | — |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256GB/512GB/1TB | 256/512GB |
| Storage type | UFS 4.1 | UFS 4.1 |
Camera
| Spec | Motorola Signature | REDMI K90 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.6 | f/1.7 |
| Ultra-wide | 50 MP+525% | 8 MP |
| Telephoto | 50 MP | — |
| Optical zoom | 3 x | — |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 50 MP+150% | 20 MP |
| OIS | Yes | Yes |
Battery
| Spec | Motorola Signature | REDMI K90 Ultra |
|---|---|---|
| Capacity | 5,200 mAh | 8,550 mAh+64% |
| Wired charging | 90 W | 100 W+11% |
| Wireless charging | 50 W | — |
Design
| Spec | Motorola Signature | REDMI K90 Ultra |
|---|---|---|
| Weight | 186 g+18% | 227 g |
| Thickness | 7 mm+15% | 8.2 mm |
| IP rating | IP68/IP69 | IP68/IP69 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Motorola Signature | REDMI K90 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6.0 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C |
| eSIM | Yes | No |
Software
| Spec | Motorola Signature | REDMI K90 Ultra |
|---|---|---|
| OS at launch | Android 16 | Android 16 (HyperOS 3) |
| OS update pledge | 7 years | — |
Audio
| Spec | Motorola Signature | REDMI K90 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |