REDMI K80 Ultra vs vivo Y31t 5G
64.4Performance20
71.6Display41.3
43.4Camera29
83.2Battery70.9
86.7Features73.3
10 spec wins — REDMI K80 Ultra0 spec wins — vivo Y31t 5G
InnoReviews verdict
REDMI K80 Ultra wins this phone face-off, 67.6 to 41.6, pulling ahead mainly in performance (+44) and display (+30). vivo Y31t 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the REDMI K80 Ultra
- Stronger performance score: 64 vs 20
- Stronger display score: 72 vs 41
- Stronger camera score: 43 vs 29
- Stronger battery score: 83 vs 71
- Stronger features score: 87 vs 73
Reasons to pick the vivo Y31t 5G
No decisive spec advantages — this side competes on price and preference.
Display
| Spec | REDMI K80 Ultra | vivo Y31t 5G |
|---|---|---|
| Screen size | 6.83 ″+1% | 6.75 ″ |
| Panel type | OLED | IPS LCD |
| Resolution | 1280x2772 | 720x1608 |
| Pixel density | 447 ppi+71% | 261 ppi |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 3,200 nits+156% | 1,250 nits |
| Screen-to-body | 90.2 % | — |
Performance
| Spec | REDMI K80 Ultra | vivo Y31t 5G |
|---|---|---|
| Chipset | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 4 Gen 2 |
| RAM (max) | 16 GB+167% | 6 GB |
| Storage options | 256/512GB/1TB | 128/256GB |
| Storage type | UFS 4.1 | UFS 3.1 |
Camera
| Spec | REDMI K80 Ultra | vivo Y31t 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.9 | f/2.0 |
| Ultra-wide | 8 MP | — |
| Max video | 8K@30fps | — |
| Front camera | 20 MP+150% | 8 MP |
| OIS | Yes | — |
Battery
| Spec | REDMI K80 Ultra | vivo Y31t 5G |
|---|---|---|
| Capacity | 7,410 mAh+3% | 7,200 mAh |
| Wired charging | 100 W+127% | 44 W |
| Wireless charging | 0 W | — |
Design
| Spec | REDMI K80 Ultra | vivo Y31t 5G |
|---|---|---|
| Weight | 219 g | 219 g |
| Thickness | 8.2 mm+3% | 8.4 mm |
| IP rating | IP68 | IP68/IP69 |
| Frame material | Aluminum | Plastic composite |
Connectivity
| Spec | REDMI K80 Ultra | vivo Y31t 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | — |
| Bluetooth | 5.4 | 4.2 |
| NFC | Yes | No |
| USB | USB-C | USB-C 2.0 |
| eSIM | No | — |
Software
| Spec | REDMI K80 Ultra | vivo Y31t 5G |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 16 (OriginOS 6) |
Audio
| Spec | REDMI K80 Ultra | vivo Y31t 5G |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | — |