Vivo iQOO 15 vs Vivo Y78t
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y78t (2023) runs on the Qualcomm Snapdragon 6 Gen 1. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 49/100 (a 37-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6000); the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 737,054); the Vivo iQOO 15 has NFC for contactless payments, the Vivo Y78t doesn't; the Vivo Y78t is noticeably lighter (199g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
Vivo Y78t
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 737054
- Better Geekbench Single: 3013 vs 930
- Better Geekbench Multi: 9287 vs 2700
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 44W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 52/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (85/100 vs 56/100)
- Better display (99/100 vs 66/100)
What makes Vivo Y78t better?
- Lighter: 199g vs 215g
- Overall rating 49/100
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo Y78t, the Vivo iQOO 15 scores 37 points higher (86/100 vs 49/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 52/100). 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 56/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78t (94/100 vs 52/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78t (99/100 vs 66/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78t (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo Y78t (85/100 vs 56/100). In the "portability" category, both devices are on the same level — 48/100.
Specs comparison
| Specification | Vivo iQOO 15 | Vivo Y78t | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 6 Gen 1 | |
| AnTuTu | 3758268 | 737054 | |
| Geekbench Single | 3013 | 930 | |
| Geekbench Multi | 9287 | 2700 | |
| Display | 6.8" LTPO AMOLED | 6.6" IPS LCD | |
| Resolution | 1440x3168 | 1080x2388 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 6000 mAh | |
| Charging | 100W | 44W | |
| 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 | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 13, OriginOS 3 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 164.6×75.8×9.1 mm | |
| Weight | 215 g | 199 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y78t
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y78t
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 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 Y78t
- 6000 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 and Vivo Y78t, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo Y78t by 409.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y78t
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78t (94/100 vs 52/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78t (99/100 vs 66/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y78t (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo Y78t (85/100 vs 56/100).
portability
In the "portability" category, both devices are on the same level — 48/100.
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo Y78t?
The Vivo iQOO 15 significantly outperforms the Vivo Y78t by 37 points (86/100 vs 49/100).
What is the rating of the Vivo iQOO 15 and the Vivo Y78t?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo Y78t — 49/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo Y78t?
The Vivo iQOO 15 leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo Y78t?
The Vivo iQOO 15 leads on performance (94/100 vs 52/100).
Should you choose the Vivo iQOO 15 over the Vivo Y78t?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.