Oppo A78 vs Vivo iQOO 15 Ultra
The Oppo A78 (2023) runs on the MediaTek Dimensity 700, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 37/100 (a 52-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 515,647); the Oppo A78 is noticeably lighter (188g vs 227g).
Profile comparison
Category scores
Oppo A78
Vivo iQOO 15 Ultra
What makes Oppo A78 better?
- Lighter: 188g vs 227g
- Better portability (67/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 515647
- Better Geekbench Single: 3639 vs 690
- Better Geekbench Multi: 11047 vs 1736
- Bigger battery: 7400 vs 5000 mAh
- Faster charging: 120W vs 33W
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (99/100 vs 40/100)
- Better camera (78/100 vs 18/100)
- Longer battery life (92/100 vs 46/100)
- Better display (99/100 vs 44/100)
Comparison verdict
Comparing the Oppo A78 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 52 points higher (89/100 vs 37/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 40/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 18/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 46/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A78 (99/100 vs 40/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A78 (99/100 vs 44/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A78 (78/100 vs 18/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A78 (92/100 vs 46/100). In the "portability" category, the Oppo A78 significantly outperforms the Vivo iQOO 15 Ultra (67/100 vs 35/100).
Specs comparison
| Specification | Oppo A78 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 700 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 515647 | 4602290 | |
| Geekbench Single | 690 | 3639 | |
| Geekbench Multi | 1736 | 11047 | |
| Display | 6.6" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1612 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | 33W | 120W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | 69 | — | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 12, ColorOS 13 | Android 16 | |
| Brightness (peak) | 600 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 163.8×75.1×8.0 mm | 163.7×76.8×8.7 mm | |
| Weight | 188 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Oppo A78
- Main: 50MP f/1.8
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Oppo A78
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Oppo A78
- 5000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Oppo A78 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Oppo A78 by 88.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A78
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A78 (99/100 vs 40/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A78 (99/100 vs 44/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A78 (78/100 vs 18/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oppo A78 (92/100 vs 46/100).
portability
In the "portability" category, the Oppo A78 significantly outperforms the Vivo iQOO 15 Ultra (67/100 vs 35/100).
Frequently asked questions
Which is better: the Oppo A78 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Oppo A78 by 52 points (89/100 vs 37/100).
What is the rating of the Oppo A78 and the Vivo iQOO 15 Ultra?
The Oppo A78 has a MobileRank rating of 37/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Oppo A78 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 18/100).
Which is more powerful: the Oppo A78 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 40/100).
Should you choose the Oppo A78 over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.