Oppo A78 4G vs Vivo iQOO 15
The Oppo A78 4G (2023) runs on the Qualcomm Snapdragon 680 4G, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 42/100 (a 44-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 424,216); the Oppo A78 4G is noticeably lighter (180g vs 215g).
Profile comparison
Category scores
Oppo A78 4G
Vivo iQOO 15
What makes Oppo A78 4G better?
- Lighter: 180g vs 215g
- Better portability (72/100 vs 48/100)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 424216
- Better Geekbench Single: 3013 vs 412
- Better Geekbench Multi: 9287 vs 1423
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (94/100 vs 31/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (85/100 vs 53/100)
- Better display (99/100 vs 69/100)
Comparison verdict
Comparing the Oppo A78 4G vs the Vivo iQOO 15, the Vivo iQOO 15 scores 44 points higher (86/100 vs 42/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 31/100). 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 53/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A78 4G (94/100 vs 31/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A78 4G (99/100 vs 69/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A78 4G (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A78 4G (85/100 vs 53/100). In the "portability" category, the Oppo A78 4G notably outperforms the Vivo iQOO 15 (72/100 vs 48/100).
Specs comparison
| Specification | Oppo A78 4G | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 680 4G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 424216 | 3758268 | |
| Geekbench Single | 412 | 3013 | |
| Geekbench Multi | 1423 | 9287 | |
| Display | 6.4" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | 67W | 100W | |
| Wireless charging | 0W | 40W | |
| 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 | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 13, ColorOS 13.1 | Android 16 | |
| Brightness (peak) | 430 nits | 6000 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 160.0×73.2×7.9 mm | 163.7×76.8×8.1 mm | |
| Weight | 180 g | 215 g | |
| Launch price | — | $599 |
Camera comparison
Oppo A78 4G
- Main: 50MP f/1.8
- Front: 8MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Oppo A78 4G
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Oppo A78 4G
- 5000 mAh
- Wired: 67W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Oppo A78 4G and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Oppo A78 4G by 88.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A78 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Oppo A78 4G (94/100 vs 31/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Oppo A78 4G (99/100 vs 69/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Oppo A78 4G (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Oppo A78 4G (85/100 vs 53/100).
portability
In the "portability" category, the Oppo A78 4G notably outperforms the Vivo iQOO 15 (72/100 vs 48/100).
Frequently asked questions
Which is better: the Oppo A78 4G or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Oppo A78 4G by 44 points (86/100 vs 42/100).
What is the rating of the Oppo A78 4G and the Vivo iQOO 15?
The Oppo A78 4G has a MobileRank rating of 42/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Oppo A78 4G or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 30/100).
Which is more powerful: the Oppo A78 4G or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 31/100).
Should you choose the Oppo A78 4G over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.