Vivo iQOO 15 Ultra vs Vivo Y91 (Mediatek)
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y91 (Mediatek) (2019) runs on the MediaTek Helio P22. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 8/100 (a 76-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 156,818); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo Y91 (Mediatek) doesn't; the Vivo Y91 (Mediatek) is noticeably lighter (163g vs 227g).
Vivo iQOO 15 Ultra
Vivo Y91 (Mediatek)
- Higher AnTuTu: 4602290 vs 156818
- Better Geekbench Single: 3640 vs 233
- Better Geekbench Multi: 11033 vs 723
- Bigger battery: 7400 vs 4030 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 0/100)
- Longer battery life (86/100 vs 12/100)
- Better display (100/100 vs 0/100)
- Lighter: 163g vs 227g
- Better design/ergonomics (96/100 vs 16/100)
Comparing the Vivo iQOO 15 Ultra vs the Vivo Y91 (Mediatek), the Vivo iQOO 15 Ultra scores 76 points higher (84/100 vs 8/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 0/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 12/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91 (Mediatek) (97/100 vs 0/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91 (Mediatek) (100/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91 (Mediatek) (74/100 vs 0/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91 (Mediatek) (86/100 vs 12/100). In the "design" category, the Vivo Y91 (Mediatek) significantly outperforms the Vivo iQOO 15 Ultra (96/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Vivo iQOO 15 Ultra | Vivo Y91 (Mediatek) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Helio P22 | |
| AnTuTu | 4602290 | 156818 | |
| Geekbench Single | 3640 | 233 | |
| Geekbench Multi | 11033 | 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 | 0W | |
| 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 | 3GB | |
| Storage | 256GB / 512GB / 1TB | 64GB | |
| 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 | |
| Price | $799 | — |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y91 (Mediatek)
- Main: 13MP f/f/2.2
- Front: 8MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y91 (Mediatek)
- 6.2" IPS LCD
- Resolution: 720x1520
- Refresh rate: —
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo Y91 (Mediatek)
- 4030 mAh
- No wireless charging
We compared Vivo iQOO 15 Ultra and Vivo Y91 (Mediatek), covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo Y91 (Mediatek) by 2834.8% in our overall performance rating.
Vivo Y91 (Mediatek)
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91 (Mediatek) (97/100 vs 0/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91 (Mediatek) (100/100 vs 0/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91 (Mediatek) (74/100 vs 0/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91 (Mediatek) (86/100 vs 12/100).
design
In the "design" category, the Vivo Y91 (Mediatek) significantly outperforms the Vivo iQOO 15 Ultra (96/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Vivo iQOO 15 Ultra or the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo Y91 (Mediatek) by 76 points (84/100 vs 8/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 Ultra has a MobileRank rating of 84/100, the Vivo Y91 (Mediatek) — 8/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 0/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo Y91 (Mediatek) is a better fit for everyday use.