Redmi K90 Ultra vs Vivo iQOO Z11S
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO Z11S (2026) runs on the MediaTek Dimensity 7500; launch prices were $420 and $296. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 57/100 (a 16-point difference). Key differences: the Vivo iQOO Z11S has the bigger battery (10000 mAh vs 8550); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,099,769).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo iQOO Z11S
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1099769
- Better Geekbench Single: 3013 vs 1089
- Better Geekbench Multi: 9287 vs 3276
- Faster charging: 100W vs 44W
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (92/100 vs 60/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 68/100)
- Better portability (40/100 vs 38/100)
What makes Vivo iQOO Z11S better?
- Bigger battery: 10000 vs 8550 mAh
- Lighter: 225g vs 227g
- Cheaper at launch: $296 vs $420
- Overall rating 57/100
Comparison verdict
Comparing the Redmi K90 Ultra vs the Vivo iQOO Z11S, the Redmi K90 Ultra scores 16 points higher (73/100 vs 57/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 60/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 68/100). Value score: Redmi K90 Ultra — 72/100, Vivo iQOO Z11S — 54/100; 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 significantly outperforms the Vivo iQOO Z11S (92/100 vs 60/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100). In the "portability" category, the Redmi K90 Ultra and the Vivo iQOO Z11S are nearly equal (40/100 vs 38/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo iQOO Z11S | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 7500 | |
| AnTuTu | 3233695 | 1099769 | |
| Geekbench Single | 3013 | 1089 | |
| Geekbench Multi | 9287 | 3276 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 1260x2800 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 8550 mAh | 10000 mAh | |
| Charging | 100W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB / 512GB | |
| OS | Android 16 | Android 16 / OriginOS 6 | |
| Brightness (peak) | 3500 nits | 2000 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68/IP69 | |
| Dimensions | 162.9×77.9×8.2 mm | 163.9×76.5×8.6 mm | |
| Weight | 227 g | 225 g | |
| Launch price | $420 | $296 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO Z11S
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo iQOO Z11S
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 144 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo iQOO Z11S
- 10000 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo iQOO Z11S, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo iQOO Z11S by 194.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $124. Vivo iQOO Z11S was $124 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Vivo iQOO Z11S (92/100 vs 60/100).
display
In the "display" category, both devices are on the same level — 94/100.
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100).
portability
In the "portability" category, the Redmi K90 Ultra and the Vivo iQOO Z11S are nearly equal (40/100 vs 38/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo iQOO Z11S?
The Redmi K90 Ultra is noticeably better than the Vivo iQOO Z11S — the overall rating gap is 16 points.
What is the rating of the Redmi K90 Ultra and the Vivo iQOO Z11S?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo iQOO Z11S — 57/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo iQOO Z11S?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo iQOO Z11S?
The Redmi K90 Ultra leads on performance (92/100 vs 60/100).
Should you choose the Redmi K90 Ultra over the Vivo iQOO Z11S?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO Z11S is a better fit for active users.