Redmi K90 Ultra vs Vivo S16
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S16 (2022) runs on the Qualcomm Snapdragon 870 5G. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 59/100 (a 14-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4600); the main camera is 50 MP vs 64 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,010,069); the Vivo S16 is noticeably lighter (182g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo S16
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1010069
- Better Geekbench Single: 3013 vs 1298
- Better Geekbench Multi: 9287 vs 3520
- Bigger battery: 8550 vs 4600 mAh
- Faster charging: 100W vs 66W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 61/100)
- Longer battery life (78/100 vs 44/100)
- Better display (94/100 vs 79/100)
What makes Vivo S16 better?
- Better main camera: 64MP vs 50MP
- Lighter: 182g vs 227g
- Better camera (51/100 vs 37/100)
- Better portability (76/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo S16, the Redmi K90 Ultra scores 14 points higher (73/100 vs 59/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 61/100). In the "camera" category, the Vivo S16 leads (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 44/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo S16 (92/100 vs 61/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo S16 (94/100 vs 79/100). In the "camera" category, the Vivo S16 is a bit better (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo S16 (78/100 vs 44/100). In the "portability" category, the Vivo S16 significantly outperforms the Redmi K90 Ultra (76/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo S16 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 870 5G | |
| AnTuTu | 3233695 | 1010069 | |
| Geekbench Single | 3013 | 1298 | |
| Geekbench Multi | 9287 | 3520 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4600 mAh | |
| Charging | 100W | 66W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 50 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB / 512GB | |
| OS | Android 16 | Android 13, Origin OS 3 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 164.1×74.8×7.4 mm | |
| Weight | 227 g | 182 g | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo S16
- Main: 64MP f/1.9
- Ultrawide: 8MP
- Front: 50MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo S16
- 6.8" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo S16
- 4600 mAh
- Wired: 66W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo S16, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo S16 by 220.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo S16
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo S16 (92/100 vs 61/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Vivo S16 (94/100 vs 79/100).
camera
In the "camera" category, the Vivo S16 is a bit better (51/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo S16 (78/100 vs 44/100).
portability
In the "portability" category, the Vivo S16 significantly outperforms the Redmi K90 Ultra (76/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo S16?
The Redmi K90 Ultra is noticeably better than the Vivo S16 — the overall rating gap is 14 points.
What is the rating of the Redmi K90 Ultra and the Vivo S16?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo S16 — 59/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo S16?
The Vivo S16 leads on camera score (51/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo S16?
The Redmi K90 Ultra leads on performance (92/100 vs 61/100).
Should you choose the Redmi K90 Ultra over the Vivo S16?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo S16 is a better fit for active users.