Redmi K90 Ultra vs Vivo iQOO Z11i
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO Z11i (2026) runs on the Qualcomm Snapdragon 4 Gen 2; launch prices were $420 and $175. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 40/100 (a 33-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the main camera is 50 MP vs 13 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 560,863); the Redmi K90 Ultra has NFC for contactless payments, the Vivo iQOO Z11i doesn't; the Vivo iQOO Z11i is noticeably lighter (209g vs 227g).
Redmi K90 Ultra
Vivo iQOO Z11i
- Higher AnTuTu: 3119308 vs 560863
- Better Geekbench Single: 3041 vs 923
- Better Geekbench Multi: 9494 vs 2249
- Bigger battery: 8550 vs 6500 mAh
- Faster charging: 100W vs 15W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 47/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 53/100)
- Better display (94/100 vs 55/100)
- Lighter: 209g vs 227g
- Cheaper at launch: $175 vs $420
- Better portability (49/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Vivo iQOO Z11i, the Redmi K90 Ultra scores 33 points higher (73/100 vs 40/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 47/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 53/100). Value score: Redmi K90 Ultra — 82/100, Vivo iQOO Z11i — 50/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z11i (92/100 vs 47/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z11i (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Vivo iQOO Z11i (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Vivo iQOO Z11i (78/100 vs 53/100). In the "portability" category, the Vivo iQOO Z11i is a bit better (49/100 vs 40/100).
| Specification | Redmi K90 Ultra | Vivo iQOO Z11i | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 3119308 | 560863 | |
| Geekbench Single | 3041 | 923 | |
| Geekbench Multi | 9494 | 2249 | |
| Display | 6.8" AMOLED | 6.7" IPS LCD | |
| Resolution | 1280x2772 | 720x1600 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 6500 mAh | |
| Charging | 100W | 15W | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 5 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | 1200 nits | |
| NFC | yes | no | |
| Protection | IP68/IP69 | IP65 | |
| Dimensions | 162.9×77.9×8.2 mm | 167.4×77.1×8.4 mm | |
| Weight | 227 g | 209 g | |
| Launch price | $420 | $175 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO Z11i
- Main: 13MP f/2.2
- Front: 5MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo iQOO Z11i
- 6.7" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo iQOO Z11i
- 6500 mAh
- Wired: 15W
- No wireless charging
We compared Redmi K90 Ultra and Vivo iQOO Z11i, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo iQOO Z11i by 456.2% in our overall performance rating.
Launch price difference: $245. Vivo iQOO Z11i was $245 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z11i (92/100 vs 47/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z11i (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Vivo iQOO Z11i (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Vivo iQOO Z11i (78/100 vs 53/100).
portability
In the "portability" category, the Vivo iQOO Z11i is a bit better (49/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Vivo iQOO Z11i?
The Redmi K90 Ultra significantly outperforms the Vivo iQOO Z11i by 33 points (73/100 vs 40/100).
What is the rating of the Redmi K90 Ultra and the Vivo iQOO Z11i?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo iQOO Z11i — 40/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo iQOO Z11i?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo iQOO Z11i?
The Redmi K90 Ultra leads on performance (92/100 vs 47/100).
Should you choose the Redmi K90 Ultra over the Vivo iQOO Z11i?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo iQOO Z11i is a better fit for everyday use.