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; estimated prices are $420 and $485. By overall MobileRank rating, the Vivo S50 Pro mini leads — 71/100 vs 61/100 (a 10-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the Vivo S50 Pro mini is faster in AnTuTu (3,068,952 vs 2,760,000); the Vivo S50 Pro mini is noticeably lighter (191g vs 227g).
Redmi K90 Ultra
Vivo S50 Pro mini
- Better Geekbench Single: 3050 vs 2903
- Bigger battery: 8550 vs 6500 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $420 vs $485
- Longer battery life (77/100 vs 73/100)
- Better value for money (81/100 vs 76/100)
- Higher AnTuTu: 3068952 vs 2760000
- Better Geekbench Multi: 9602 vs 9300
- Lighter: 191g vs 227g
- Higher performance (68/100 vs 65/100)
- Better camera (62/100 vs 32/100)
- Better design/ergonomics (61/100 vs 16/100)
Comparing the Redmi K90 Ultra vs the Vivo S50 Pro mini, the Vivo S50 Pro mini scores 10 points higher (71/100 vs 61/100). In the "camera" category, the Vivo S50 Pro mini leads (62/100 vs 32/100). In the "performance" category, the Vivo S50 Pro mini and the Redmi K90 Ultra are nearly equal (68/100 vs 65/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo S50 Pro mini significantly outperforms the Redmi K90 Ultra (62/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra and the Vivo S50 Pro mini are nearly equal (77/100 vs 73/100). In the "design" category, the Vivo S50 Pro mini significantly outperforms the Redmi K90 Ultra (61/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra is a bit better (81/100 vs 76/100).
| Specification | Redmi K90 Ultra | Vivo S50 Pro mini | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 5 | |
| AnTuTu | 2760000 | 3068952 | |
| Geekbench Single | 3050 | 2903 | |
| Geekbench Multi | 9300 | 9602 | |
| 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 | |
| Price | $420 | $485 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo S50 Pro mini
- Main: 50MP f/f/1.6
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 50MP
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
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo S50 Pro mini
- 6500 mAh
- Wired: 90W
- Wireless: 40W
We compared Redmi K90 Ultra and Vivo S50 Pro mini, covering their specs and all relevant benchmarks.
Vivo S50 Pro mini leads Redmi K90 Ultra by 10.1% in our overall performance rating.
Price difference: $65. Redmi K90 Ultra is cheaper by $65.
performance
In the "performance" category, the Vivo S50 Pro mini and the Redmi K90 Ultra are nearly equal (68/100 vs 65/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo S50 Pro mini significantly outperforms the Redmi K90 Ultra (62/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra and the Vivo S50 Pro mini are nearly equal (77/100 vs 73/100).
design
In the "design" category, the Vivo S50 Pro mini significantly outperforms the Redmi K90 Ultra (61/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra is a bit better (81/100 vs 76/100).
Which is better: the Redmi K90 Ultra or the Vivo S50 Pro mini?
The Vivo S50 Pro mini is noticeably better than the Redmi K90 Ultra — the overall rating gap is 10 points.
What is the rating of the Redmi K90 Ultra and the Vivo S50 Pro mini?
The Redmi K90 Ultra has a MobileRank rating of 61/100, the Vivo S50 Pro mini — 71/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo S50 Pro mini?
The Vivo S50 Pro mini leads on camera score (62/100 vs 32/100).
Should you choose the Redmi K90 Ultra over the Vivo S50 Pro mini?
The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers. The Vivo S50 Pro mini is a better fit for active users, budget-conscious buyers.