Vivo iQOO 15 Ultra vs Vivo Y91i
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y91i (2019) runs on the MediaTek Helio P22. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 21/100 (a 68-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4030); the main camera is 50 MP vs 13 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 177,554); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo Y91i doesn't; the Vivo Y91i is noticeably lighter (163g vs 227g).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Vivo Y91i
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 177554
- Better Geekbench Single: 3639 vs 233
- Better Geekbench Multi: 11047 vs 723
- Bigger battery: 7400 vs 4030 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (99/100 vs 10/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 32/100)
- Better display (99/100 vs 39/100)
What makes Vivo Y91i better?
- Lighter: 163g vs 227g
- Better portability (78/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Vivo Y91i, the Vivo iQOO 15 Ultra scores 68 points higher (89/100 vs 21/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 10/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 32/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91i (99/100 vs 10/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91i (99/100 vs 39/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91i (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91i (92/100 vs 32/100). In the "portability" category, the Vivo Y91i significantly outperforms the Vivo iQOO 15 Ultra (78/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Vivo Y91i | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Helio P22 | |
| AnTuTu | 4602290 | 177554 | |
| Geekbench Single | 3639 | 233 | |
| Geekbench Multi | 11047 | 723 | |
| Display | 6.8" LTPO AMOLED | 6.2" IPS LCD | |
| Resolution | 1440x3168 | 720x1520 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7400 mAh | 4030 mAh | |
| Charging | 120W | — | |
| Wireless charging | 50W | — | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB / 24GB | 2GB | |
| Storage | 256GB / 512GB / 1TB | 32GB | |
| OS | Android 16 | Android 8.1 (Oreo); Funtouch 4.5 | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | 155.1×75.1×8.3 mm | |
| Weight | 227 g | 163 g | |
| Launch price | $799 | — |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y91i
- Main: 13MP f/2.2
- Front: 8MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y91i
- 6.2" IPS LCD
- Resolution: 720x1520
- Refresh rate: —
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo Y91i
- 4030 mAh
- Wireless charging: no data
Overall performance score
We compared Vivo iQOO 15 Ultra and Vivo Y91i, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo Y91i by 2492.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y91i
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91i (99/100 vs 10/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91i (99/100 vs 39/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91i (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91i (92/100 vs 32/100).
portability
In the "portability" category, the Vivo Y91i significantly outperforms the Vivo iQOO 15 Ultra (78/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Vivo Y91i?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91i by 68 points (89/100 vs 21/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo Y91i?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo Y91i — 21/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo Y91i?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo Y91i?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 10/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo Y91i?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.