Redmi K90 Ultra vs Vivo iQOO 12
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 12 (2023) runs on the Qualcomm Snapdragon 8 Gen 3; launch prices were $420 and $550. By overall MobileRank rating, the Vivo iQOO 12 leads — 79/100 vs 73/100 (a 6-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 2,333,285); the Vivo iQOO 12 is noticeably lighter (212g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo iQOO 12
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 2333285
- Better Geekbench Single: 3013 vs 2203
- Better Geekbench Multi: 9287 vs 6511
- Bigger battery: 8550 vs 5000 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Cheaper at launch: $420 vs $550
- Higher performance (92/100 vs 82/100)
- Longer battery life (78/100 vs 64/100)
What makes Vivo iQOO 12 better?
- Faster charging: 120W vs 100W
- Lighter: 212g vs 227g
- Better camera (79/100 vs 37/100)
- Better display (99/100 vs 94/100)
- Better portability (51/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo iQOO 12, the Vivo iQOO 12 scores 6 points higher (79/100 vs 73/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 82/100). In the "camera" category, the Vivo iQOO 12 leads (79/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 64/100). Value score: Redmi K90 Ultra — 72/100, Vivo iQOO 12 — 76/100; 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 82/100). In the "display" category, the Vivo iQOO 12 is a bit better (99/100 vs 94/100). In the "camera" category, the Vivo iQOO 12 significantly outperforms the Redmi K90 Ultra (79/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100). In the "portability" category, the Vivo iQOO 12 is a bit better (51/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo iQOO 12 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 3233695 | 2333285 | |
| Geekbench Single | 3013 | 2203 | |
| Geekbench Multi | 9287 | 6511 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1280x2772 | 3200x1440 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 120W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 64 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 14 | |
| Brightness (peak) | 3500 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP64 | |
| Dimensions | 162.9×77.9×8.2 mm | 163.2×75.9×8.1 mm | |
| Weight | 227 g | 212 g | |
| Launch price | $420 | $550 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 12
- Main: 50MP f/1.75
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 16MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo iQOO 12
- 6.8" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 144 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo iQOO 12
- 5000 mAh
- Wired: 120W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo iQOO 12, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo iQOO 12 by 38.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $130. Redmi K90 Ultra was $130 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 82/100).
display
In the "display" category, the Vivo iQOO 12 is a bit better (99/100 vs 94/100).
camera
In the "camera" category, the Vivo iQOO 12 significantly outperforms the Redmi K90 Ultra (79/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 64/100).
portability
In the "portability" category, the Vivo iQOO 12 is a bit better (51/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo iQOO 12?
The Vivo iQOO 12 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 iQOO 12?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo iQOO 12 — 79/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo iQOO 12?
The Vivo iQOO 12 leads on camera score (79/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo iQOO 12?
The Redmi K90 Ultra leads on performance (92/100 vs 82/100).
Should you choose the Redmi K90 Ultra over the Vivo iQOO 12?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO 12 is a better fit for gamers and power users, budget-conscious buyers.