Redmi K90 Ultra vs Vivo Y90
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y90 (2019) runs on the MediaTek Helio A22. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 21/100 (a 52-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4030); the main camera is 50 MP vs 8 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 155,362); the Redmi K90 Ultra has NFC for contactless payments, the Vivo Y90 doesn't; the Vivo Y90 is noticeably lighter (163g vs 227g).
Redmi K90 Ultra
Vivo Y90
- Higher AnTuTu: 3233695 vs 155362
- Better Geekbench Single: 3041 vs 300
- Better Geekbench Multi: 9494 vs 486
- Bigger battery: 8550 vs 4030 mAh
- Better main camera: 50MP vs 8MP
- Higher performance (92/100 vs 10/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 32/100)
- Better display (94/100 vs 39/100)
- Lighter: 163g vs 227g
- Better portability (78/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Vivo Y90, the Redmi K90 Ultra scores 52 points higher (73/100 vs 21/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 10/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 32/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo Y90 (92/100 vs 10/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Vivo Y90 (94/100 vs 39/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Vivo Y90 (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo Y90 (78/100 vs 32/100). In the "portability" category, the Vivo Y90 significantly outperforms the Redmi K90 Ultra (78/100 vs 40/100).
| Specification | Redmi K90 Ultra | Vivo Y90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio A22 | |
| AnTuTu | 3233695 | 155362 | |
| Geekbench Single | 3041 | 300 | |
| Geekbench Multi | 9494 | 486 | |
| Display | 6.8" AMOLED | 6.2" IPS LCD | |
| Resolution | 1280x2772 | 720x1520 | |
| Refresh rate | 165 Hz | — | |
| Battery | 8550 mAh | 4030 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 8 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 5 MP | |
| RAM | 12GB / 16GB | 2GB | |
| Storage | 256GB / 512GB | 32GB | |
| OS | Android 16 | Android 8.1 (Oreo); Funtouch 4.5 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 155.1×75.1×8.3 mm | |
| Weight | 227 g | 163 g | |
| Launch price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo Y90
- Main: 8MP f/f/2.0
- Front: 5MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo Y90
- 6.2" IPS LCD
- Resolution: 720x1520
- Refresh rate: —
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo Y90
- 4030 mAh
- Wireless charging: no data
We compared Redmi K90 Ultra and Vivo Y90, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo Y90 by 1981.4% in our overall performance rating.
Vivo Y90
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo Y90 (92/100 vs 10/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Vivo Y90 (94/100 vs 39/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Vivo Y90 (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Vivo Y90 (78/100 vs 32/100).
portability
In the "portability" category, the Vivo Y90 significantly outperforms the Redmi K90 Ultra (78/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Vivo Y90?
The Redmi K90 Ultra significantly outperforms the Vivo Y90 by 52 points (73/100 vs 21/100).
What is the rating of the Redmi K90 Ultra and the Vivo Y90?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo Y90 — 21/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo Y90?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo Y90?
The Redmi K90 Ultra leads on performance (92/100 vs 10/100).
Should you choose the Redmi K90 Ultra over the Vivo Y90?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y90 is a better fit for everyday use.