Vivo iQOO 15 vs Vivo Y91 (Mediatek)
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y91 (Mediatek) (2019) runs on the MediaTek Helio P22. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 21/100 (a 65-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4030); the main camera is 50 MP vs 13 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 177,554); the Vivo iQOO 15 has NFC for contactless payments, the Vivo Y91 (Mediatek) doesn't; the Vivo Y91 (Mediatek) is noticeably lighter (163g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
Vivo Y91 (Mediatek)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 177554
- Better Geekbench Single: 3013 vs 233
- Better Geekbench Multi: 9287 vs 723
- Bigger battery: 7000 vs 4030 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (94/100 vs 10/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 32/100)
- Better display (99/100 vs 39/100)
What makes Vivo Y91 (Mediatek) better?
- Lighter: 163g vs 215g
- Better portability (78/100 vs 48/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo Y91 (Mediatek), the Vivo iQOO 15 scores 65 points higher (86/100 vs 21/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 10/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 32/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y91 (Mediatek) (94/100 vs 10/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y91 (Mediatek) (99/100 vs 39/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y91 (Mediatek) (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Y91 (Mediatek) (85/100 vs 32/100). In the "portability" category, the Vivo Y91 (Mediatek) significantly outperforms the Vivo iQOO 15 (78/100 vs 48/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo Y91 (Mediatek) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio P22 | |
| AnTuTu | 3758268 | 177554 | |
| Geekbench Single | 3013 | 233 | |
| Geekbench Multi | 9287 | 723 | |
| Display | 6.8" LTPO AMOLED | 6.2" IPS LCD | |
| Resolution | 1440x3168 | 720x1520 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7000 mAh | 4030 mAh | |
| Charging | 100W | — | |
| Wireless charging | 40W | — | |
| 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 | 3GB | |
| Storage | 256GB / 512GB / 1TB | 64GB | |
| OS | Android 16 | Android 8.1 (Oreo); Funtouch 4.5 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 155.1×75.1×8.3 mm | |
| Weight | 215 g | 163 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y91 (Mediatek)
- Main: 13MP f/2.2
- Front: 8MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y91 (Mediatek)
- 6.2" IPS LCD
- Resolution: 720x1520
- Refresh rate: —
Battery and charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo Y91 (Mediatek)
- 4030 mAh
- Wireless charging: no data
Overall performance score
We compared Vivo iQOO 15 and Vivo Y91 (Mediatek), covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo Y91 (Mediatek) by 2016.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y91 (Mediatek)
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y91 (Mediatek) (94/100 vs 10/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y91 (Mediatek) (99/100 vs 39/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y91 (Mediatek) (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Y91 (Mediatek) (85/100 vs 32/100).
portability
In the "portability" category, the Vivo Y91 (Mediatek) significantly outperforms the Vivo iQOO 15 (78/100 vs 48/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 significantly outperforms the Vivo Y91 (Mediatek) by 65 points (86/100 vs 21/100).
What is the rating of the Vivo iQOO 15 and the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo Y91 (Mediatek) — 21/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 leads on camera score (78/100 vs 10/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 leads on performance (94/100 vs 10/100).
Should you choose the Vivo iQOO 15 over the Vivo Y91 (Mediatek)?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.