Redmi K90 Ultra vs Vivo S50 Pro mini
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S50 Pro mini (2025) runs on the Qualcomm Snapdragon 8 Gen 5; launch prices were $420 and $485. By overall MobileRank rating, the Vivo S50 Pro mini leads — 79/100 vs 73/100 (a 6-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 2,974,201); the Vivo S50 Pro mini is noticeably lighter (191g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo S50 Pro mini
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 2974201
- Better Geekbench Single: 3013 vs 2833
- Better Geekbench Multi: 9287 vs 9119
- Bigger battery: 8550 vs 6500 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $485
- Higher performance (92/100 vs 90/100)
- Better display (94/100 vs 85/100)
What makes Vivo S50 Pro mini better?
- Lighter: 191g vs 227g
- Better camera (64/100 vs 37/100)
- Longer battery life (81/100 vs 78/100)
- Better portability (64/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo S50 Pro mini, the Vivo S50 Pro mini scores 6 points higher (79/100 vs 73/100). In the "camera" category, the Vivo S50 Pro mini leads (64/100 vs 37/100). Value score: Redmi K90 Ultra — 72/100, Vivo S50 Pro mini — 80/100; 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 and the Vivo S50 Pro mini are nearly equal (92/100 vs 90/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo S50 Pro mini notably outperforms the Redmi K90 Ultra (64/100 vs 37/100). In the "battery" category, the Vivo S50 Pro mini and the Redmi K90 Ultra are nearly equal (81/100 vs 78/100). In the "portability" category, the Vivo S50 Pro mini notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo S50 Pro mini | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 5 | |
| AnTuTu | 3233695 | 2974201 | |
| Geekbench Single | 3013 | 2833 | |
| Geekbench Multi | 9287 | 9119 | |
| Display | 6.8" AMOLED | 6.3" LTPO AMOLED | |
| Resolution | 1280x2772 | 1216x2640 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 6500 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 0W | 40W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68/IP69 | |
| Dimensions | 162.9×77.9×8.2 mm | 150.8×71.8×8.0 mm | |
| Weight | 227 g | 191 g | |
| Launch price | $420 | $485 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo S50 Pro mini
- Main: 50MP f/1.6
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo S50 Pro mini
- 6.3" LTPO AMOLED
- Resolution: 1216x2640
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo S50 Pro mini
- 6500 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared Redmi K90 Ultra and Vivo S50 Pro mini, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo S50 Pro mini by 8.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $65. Redmi K90 Ultra was $65 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra and the Vivo S50 Pro mini are nearly equal (92/100 vs 90/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Vivo S50 Pro mini notably outperforms the Redmi K90 Ultra (64/100 vs 37/100).
battery
In the "battery" category, the Vivo S50 Pro mini and the Redmi K90 Ultra are nearly equal (81/100 vs 78/100).
portability
In the "portability" category, the Vivo S50 Pro mini notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo S50 Pro mini?
The Vivo S50 Pro mini edges out the Redmi K90 Ultra by just 6 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Ultra and the Vivo S50 Pro mini?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo S50 Pro mini — 79/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo S50 Pro mini?
The Vivo S50 Pro mini leads on camera score (64/100 vs 37/100).
Should you choose the Redmi K90 Ultra over the Vivo S50 Pro mini?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo S50 Pro mini is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.