REDMI K90 Ultra vs vivo Y600i
64.4Performance20
78.7Display42.6
43.4Camera29
83.2Battery70.9
86.7Features46.7
13 spec wins — REDMI K90 Ultra1 spec wins — vivo Y600i
InnoReviews verdict
REDMI K90 Ultra wins this phone face-off, 69.1 to 39.2, pulling ahead mainly in performance (+44) and features (+40). vivo Y600i 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 20
- Stronger display score: 79 vs 43
- Stronger camera score: 43 vs 29
- Stronger battery score: 83 vs 71
- Stronger features score: 87 vs 47
Reasons to pick the vivo Y600i
No decisive spec advantages — this side competes on price and preference.
Display
| Spec | REDMI K90 Ultra | vivo Y600i |
|---|---|---|
| Screen size | 6.83 ″ | 6.87 ″+1% |
| Panel type | AMOLED | IPS LCD |
| Resolution | 1280x2772 | 720x1592 |
| Pixel density | 447 ppi+76% | 254 ppi |
| Refresh rate | 165 Hz+38% | 120 Hz |
| Peak brightness | 3,500 nits+169% | 1,300 nits |
| Screen-to-body | 90.3 %+6% | 85.1 % |
Performance
| Spec | REDMI K90 Ultra | vivo Y600i |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 |
| RAM (max) | 16 GB+167% | 6 GB |
| Storage options | 256/512GB | 128/256GB |
| Storage type | UFS 4.1 | UFS 2.2 |
Camera
| Spec | REDMI K90 Ultra | vivo Y600i |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.7 | f/1.8 |
| Ultra-wide | 8 MP | — |
| Max video | 8K@30fps | 1080p@30fps |
| Front camera | 20 MP+150% | 8 MP |
| OIS | Yes | No |
Battery
| Spec | REDMI K90 Ultra | vivo Y600i |
|---|---|---|
| Capacity | 8,550 mAh+7% | 8,000 mAh |
| Wired charging | 100 W+127% | 44 W |
Design
| Spec | REDMI K90 Ultra | vivo Y600i |
|---|---|---|
| Weight | 227 g+1% | 229 g |
| Thickness | 8.2 mm+6% | 8.7 mm |
| IP rating | IP68/IP69 | IP68/IP69 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | REDMI K90 Ultra | vivo Y600i |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.1 |
| NFC | Yes | No |
| USB | USB-C | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | REDMI K90 Ultra | vivo Y600i |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 16 (OriginOS 6) |
Audio
| Spec | REDMI K90 Ultra | vivo Y600i |
|---|---|---|
| Stereo speakers | Yes | No |
| 3.5mm jack | No | No |