Vivo iQOO 15 vs Vivo Y78 (t1)
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y78 (t1) (2023) runs on the MediaTek Dimensity 6020. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 41/100 (a 45-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5000); the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 530,583); the Vivo iQOO 15 has NFC for contactless payments, the Vivo Y78 (t1) doesn't; the Vivo Y78 (t1) is noticeably lighter (190g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
Vivo Y78 (t1)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 530583
- Better Geekbench Single: 3013 vs 724
- Better Geekbench Multi: 9287 vs 2032
- Bigger battery: 7000 vs 5000 mAh
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (94/100 vs 42/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (85/100 vs 52/100)
- Better display (99/100 vs 42/100)
What makes Vivo Y78 (t1) better?
- Lighter: 190g vs 215g
- Better portability (65/100 vs 48/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo Y78 (t1), the Vivo iQOO 15 scores 45 points higher (86/100 vs 41/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 42/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 52/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78 (t1) (94/100 vs 42/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78 (t1) (99/100 vs 42/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78 (t1) (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78 (t1) (85/100 vs 52/100). In the "portability" category, the Vivo Y78 (t1) notably outperforms the Vivo iQOO 15 (65/100 vs 48/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo Y78 (t1) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 6020 | |
| AnTuTu | 3758268 | 530583 | |
| Geekbench Single | 3013 | 724 | |
| Geekbench Multi | 9287 | 2032 | |
| Display | 6.8" LTPO AMOLED | 6.6" LCD IPS | |
| Resolution | 1440x3168 | 1080x2388 | |
| Refresh rate | 144 Hz | 60 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Wireless charging | 40W | 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 | — | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 16 | Android 13 Tiramisu | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 164.1×76.2×8.0 mm | |
| Weight | 215 g | 190 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y78 (t1)
- Main: 50MP
- Front: 8MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y78 (t1)
- 6.6" LCD IPS
- Resolution: 1080x2388
- Refresh rate: 60 Hz
Battery and charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo Y78 (t1)
- 5000 mAh
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 and Vivo Y78 (t1), covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo Y78 (t1) by 608.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y78 (t1)
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78 (t1) (94/100 vs 42/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78 (t1) (99/100 vs 42/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78 (t1) (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78 (t1) (85/100 vs 52/100).
portability
In the "portability" category, the Vivo Y78 (t1) notably outperforms the Vivo iQOO 15 (65/100 vs 48/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo Y78 (t1)?
The Vivo iQOO 15 significantly outperforms the Vivo Y78 (t1) by 45 points (86/100 vs 41/100).
What is the rating of the Vivo iQOO 15 and the Vivo Y78 (t1)?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo Y78 (t1) — 41/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo Y78 (t1)?
The Vivo iQOO 15 leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo Y78 (t1)?
The Vivo iQOO 15 leads on performance (94/100 vs 42/100).
Should you choose the Vivo iQOO 15 over the Vivo Y78 (t1)?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.