Vivo iQOO 15 Ultra vs Vivo Y78 (t1)
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y78 (t1) (2023) runs on the MediaTek Dimensity 6020. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 41/100 (a 48-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 530,583); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo Y78 (t1) doesn't; the Vivo Y78 (t1) is noticeably lighter (190g vs 227g).
Vivo iQOO 15 Ultra
Vivo Y78 (t1)
- Higher AnTuTu: 4602290 vs 530583
- Better Geekbench Single: 3640 vs 724
- Better Geekbench Multi: 11033 vs 2032
- Bigger battery: 7400 vs 5000 mAh
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (99/100 vs 42/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (92/100 vs 52/100)
- Better display (99/100 vs 42/100)
- Lighter: 190g vs 227g
- Better portability (65/100 vs 35/100)
Comparing the Vivo iQOO 15 Ultra vs the Vivo Y78 (t1), the Vivo iQOO 15 Ultra scores 48 points higher (89/100 vs 41/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 42/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 52/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y78 (t1) (99/100 vs 42/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y78 (t1) (99/100 vs 42/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y78 (t1) (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y78 (t1) (92/100 vs 52/100). In the "portability" category, the Vivo Y78 (t1) significantly outperforms the Vivo iQOO 15 Ultra (65/100 vs 35/100).
| Specification | Vivo iQOO 15 Ultra | Vivo Y78 (t1) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 6020 | |
| AnTuTu | 4602290 | 530583 | |
| Geekbench Single | 3640 | 724 | |
| Geekbench Multi | 11033 | 2032 | |
| 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 | |
| Launch price | $799 | — |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y78 (t1)
- Main: 50MP
- Front: 8MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y78 (t1)
- 6.6" LCD IPS
- Resolution: 1080x2388
- Refresh rate: 60 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo Y78 (t1)
- 5000 mAh
- No wireless charging
We compared Vivo iQOO 15 Ultra and Vivo Y78 (t1), covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo Y78 (t1) by 767.4% in our overall performance rating.
Vivo Y78 (t1)
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y78 (t1) (99/100 vs 42/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y78 (t1) (99/100 vs 42/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y78 (t1) (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y78 (t1) (92/100 vs 52/100).
portability
In the "portability" category, the Vivo Y78 (t1) significantly outperforms the Vivo iQOO 15 Ultra (65/100 vs 35/100).
Which is better: the Vivo iQOO 15 Ultra or the Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo Y78 (t1) by 48 points (89/100 vs 41/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo Y78 (t1) — 41/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 42/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo Y78 (t1)?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y78 (t1) is a better fit for everyday use.