REDMI K80 Ultra vs Vivo S2
64.4Performance28.9
71.6Display65.5
43.4Camera34.1
83.2Battery70.9
86.7Features57.3
7 spec wins — REDMI K80 Ultra5 spec wins — Vivo S2
InnoReviews verdict
REDMI K80 Ultra wins this phone face-off, 67.6 to 48.5, pulling ahead mainly in performance (+36) and features (+29). Vivo S2 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 29
- Stronger display score: 72 vs 66
- Stronger camera score: 43 vs 34
- Stronger battery score: 83 vs 71
- Stronger features score: 87 vs 57
Reasons to pick the Vivo S2
- 60% higher Front camera: 32 MP vs 20 MP
- 10% lower weight: 197 g vs 219 g
Display
| Spec | REDMI K80 Ultra | Vivo S2 |
|---|---|---|
| Screen size | 6.83 ″ | 6.83 ″ |
| Panel type | OLED | 3D Curved AMOLED |
| Resolution | 1280x2772 | 1260x2800 |
| Pixel density | 447 ppi | 449 ppi |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 3,200 nits+7% | 3,000 nits |
| Screen-to-body | 90.2 % | 91.4 %+1% |
Performance
| Spec | REDMI K80 Ultra | Vivo S2 |
|---|---|---|
| Chipset | MediaTek Dimensity 9400+ | MediaTek Dimensity 7360-Turbo |
| RAM (max) | 16 GB+100% | 8 GB |
| Storage options | 256/512GB/1TB | 128/256GB |
| Storage type | UFS 4.1 | UFS 3.1 |
Camera
| Spec | REDMI K80 Ultra | Vivo S2 |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.9 | f/1.8 |
| Ultra-wide | 8 MP | — |
| Max video | 8K@30fps | — |
| Front camera | 20 MP | 32 MP+60% |
| OIS | Yes | No |
Battery
| Spec | REDMI K80 Ultra | Vivo S2 |
|---|---|---|
| Capacity | 7,410 mAh+5% | 7,050 mAh |
| Wired charging | 100 W+127% | 44 W |
| Wireless charging | 0 W | — |
Design
| Spec | REDMI K80 Ultra | Vivo S2 |
|---|---|---|
| Weight | 219 g | 197 g+10% |
| Thickness | 8.2 mm | 8 mm+2% |
| IP rating | IP68 | IP68/IP69 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | REDMI K80 Ultra | Vivo S2 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | No |
| USB | USB-C | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | REDMI K80 Ultra | Vivo S2 |
|---|---|---|
| OS at launch | Android 15 (HyperOS 2) | Android 16 (OriginOS 6) |
| OS update pledge | — | 3 years |
Audio
| Spec | REDMI K80 Ultra | Vivo S2 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |