Vivo iQOO 15 Ultra vs Vivo Vivo Y78 (t1)
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Vivo Y78 (t1) (2023) runs on the MediaTek Dimensity 6020. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 17/100 (a 67-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 524,785); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo Vivo Y78 (t1) doesn't; the Vivo Vivo Y78 (t1) is noticeably lighter (190g vs 227g).
Vivo iQOO 15 Ultra
Vivo Vivo Y78 (t1)
- Higher AnTuTu: 4602290 vs 524785
- Better Geekbench Single: 3640 vs 771
- Better Geekbench Multi: 11033 vs 1980
- Bigger battery: 7400 vs 5000 mAh
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 24/100)
- Longer battery life (86/100 vs 36/100)
- Better display (100/100 vs 0/100)
- Lighter: 190g vs 227g
- Better design/ergonomics (62/100 vs 16/100)
Comparing the Vivo iQOO 15 Ultra vs the Vivo Vivo Y78 (t1), the Vivo iQOO 15 Ultra scores 67 points higher (84/100 vs 17/100). 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 24/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 36/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Vivo Y78 (t1) (97/100 vs 0/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Vivo Y78 (t1) (100/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Vivo Y78 (t1) (74/100 vs 24/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Vivo Y78 (t1) (86/100 vs 36/100). In the "design" category, the Vivo Vivo Y78 (t1) significantly outperforms the Vivo iQOO 15 Ultra (62/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Vivo iQOO 15 Ultra | Vivo Vivo Y78 (t1) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 6020 | |
| AnTuTu | 4602290 | 524785 | |
| Geekbench Single | 3640 | 771 | |
| Geekbench Multi | 11033 | 1980 | |
| Display | 6.8" LTPO AMOLED | 6.6" LCD IPS | |
| Resolution | 1440x3168 | 1080x2388 | |
| Refresh rate | 144 Hz | 60 Hz | |
| Battery | 7400 mAh | 5000 mAh | |
| Charging | 120W | — | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB / 24GB | — | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 16 | Android 13 Tiramisu | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | 164.1×76.2×8.0 mm | |
| Weight | 227 g | 190 g | |
| Price | $799 | — |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Vivo Y78 (t1)
- Main: 50MP
- Front: 8MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Vivo Y78 (t1)
- 6.6" LCD IPS
- Resolution: 1080x2388
- Refresh rate: 60 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo Vivo Y78 (t1)
- 5000 mAh
- No wireless charging
We compared Vivo iQOO 15 Ultra and Vivo Vivo Y78 (t1), covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo Vivo Y78 (t1) by 777.0% in our overall performance rating.
Vivo Vivo Y78 (t1)
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Vivo Y78 (t1) (97/100 vs 0/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Vivo Y78 (t1) (100/100 vs 0/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Vivo Y78 (t1) (74/100 vs 24/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Vivo Y78 (t1) (86/100 vs 36/100).
design
In the "design" category, the Vivo Vivo Y78 (t1) significantly outperforms the Vivo iQOO 15 Ultra (62/100 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 Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo Vivo Y78 (t1) by 67 points (84/100 vs 17/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra has a MobileRank rating of 84/100, the Vivo Vivo Y78 (t1) — 17/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 24/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo Vivo Y78 (t1) is a better fit for everyday use.