Redmi K90 Ultra vs Vivo Y6
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y6 (2026) runs on the Qualcomm Snapdragon 4 Gen 2; launch prices were $420 and $200. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 45/100 (a 28-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7200); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 568,395).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo Y6
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 568395
- Better Geekbench Single: 3013 vs 915
- Better Geekbench Multi: 9287 vs 2115
- Bigger battery: 8550 vs 7200 mAh
- Faster charging: 100W vs 44W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 46/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 60/100)
- Better display (94/100 vs 55/100)
What makes Vivo Y6 better?
- Lighter: 219g vs 227g
- Cheaper at launch: $200 vs $420
- Better portability (43/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo Y6, the Redmi K90 Ultra scores 28 points higher (73/100 vs 45/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 46/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 60/100). Value score: Redmi K90 Ultra — 72/100, Vivo Y6 — 50/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo Y6 (92/100 vs 46/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Vivo Y6 (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Vivo Y6 (78/100 vs 60/100). In the "portability" category, the Vivo Y6 and the Redmi K90 Ultra are nearly equal (43/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo Y6 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 3233695 | 568395 | |
| Geekbench Single | 3013 | 915 | |
| Geekbench Multi | 9287 | 2115 | |
| Display | 6.8" AMOLED | 6.8" IPS LCD | |
| Resolution | 1280x2772 | 720x1570 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 7200 mAh | |
| Charging | 100W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 16, OriginOS 6 | |
| Brightness (peak) | 3500 nits | 1200 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 166.6×78.4×8.4 mm | |
| Weight | 227 g | 219 g | |
| Launch price | $420 | $200 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo Y6
- Main: 50MP f/2.2
- Front: 8MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo Y6
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo Y6
- 7200 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo Y6, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo Y6 by 468.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $220. Vivo Y6 was $220 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo Y6 (92/100 vs 46/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Vivo Y6 (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Vivo Y6 (78/100 vs 60/100).
portability
In the "portability" category, the Vivo Y6 and the Redmi K90 Ultra are nearly equal (43/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo Y6?
The Redmi K90 Ultra significantly outperforms the Vivo Y6 by 28 points (73/100 vs 45/100).
What is the rating of the Redmi K90 Ultra and the Vivo Y6?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo Y6 — 45/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo Y6?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo Y6?
The Redmi K90 Ultra leads on performance (92/100 vs 46/100).
Should you choose the Redmi K90 Ultra over the Vivo Y6?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.