Redmi K90 Ultra vs Vivo S30 Pro Mini
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S30 Pro Mini (2025) runs on the MediaTek Dimensity 9300+; launch prices were $420 and $445. By overall MobileRank rating, the Vivo S30 Pro Mini leads — 75/100 vs 73/100 (a 2-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 2,316,832); the Vivo S30 Pro Mini is noticeably lighter (186g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo S30 Pro Mini
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 2316832
- Better Geekbench Single: 3013 vs 2249
- Better Geekbench Multi: 9287 vs 7352
- Bigger battery: 8550 vs 6500 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $445
- Higher performance (92/100 vs 83/100)
- Longer battery life (78/100 vs 68/100)
- Better display (94/100 vs 85/100)
What makes Vivo S30 Pro Mini better?
- Lighter: 186g vs 227g
- Better camera (64/100 vs 37/100)
- Better portability (67/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo S30 Pro Mini, the Vivo S30 Pro Mini scores 2 points higher (75/100 vs 73/100). In the "camera" category, the Vivo S30 Pro Mini leads (64/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 68/100). Value score: Redmi K90 Ultra — 72/100, Vivo S30 Pro Mini — 74/100; 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 is a bit better (92/100 vs 83/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo S30 Pro Mini notably outperforms the Redmi K90 Ultra (64/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100). In the "portability" category, the Vivo S30 Pro Mini notably outperforms the Redmi K90 Ultra (67/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo S30 Pro Mini | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9300+ | |
| AnTuTu | 3233695 | 2316832 | |
| Geekbench Single | 3013 | 2249 | |
| Geekbench Multi | 9287 | 7352 | |
| 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 | |
| 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 15 | |
| Brightness (peak) | 3500 nits | 5000 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 | 186 g | |
| Launch price | $420 | $445 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo S30 Pro Mini
- Main: 50MP
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo S30 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 S30 Pro Mini
- 6500 mAh
- Wired: 90W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo S30 Pro Mini, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo S30 Pro Mini by 39.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $25. Redmi K90 Ultra was $25 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 83/100).
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 S30 Pro Mini notably outperforms the Redmi K90 Ultra (64/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100).
portability
In the "portability" category, the Vivo S30 Pro Mini notably outperforms the Redmi K90 Ultra (67/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo S30 Pro Mini?
The Vivo S30 Pro Mini edges out the Redmi K90 Ultra by just 2 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Ultra and the Vivo S30 Pro Mini?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo S30 Pro Mini — 75/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo S30 Pro Mini?
The Vivo S30 Pro Mini leads on camera score (64/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo S30 Pro Mini?
The Redmi K90 Ultra leads on performance (92/100 vs 83/100).
Should you choose the Redmi K90 Ultra over the Vivo S30 Pro Mini?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo S30 Pro Mini is a better fit for gamers and power users.