Oppo A78 vs Samsung Galaxy S25 Ultra
The Oppo A78 (2023) runs on the MediaTek Dimensity 700, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 80/100 vs 37/100 (a 43-point difference). Key differences: the main camera is 50 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 515,647); per DXOMark lab testing, the Samsung Galaxy S25 Ultra has the stronger camera (151 vs 69); the Oppo A78 is noticeably lighter (188g vs 218g).
Profile comparison
Category scores
Oppo A78
Samsung Galaxy S25 Ultra
What makes Oppo A78 better?
- Lighter: 188g vs 218g
- Better portability (67/100 vs 46/100)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 515647
- Better Geekbench Single: 3100 vs 690
- Better Geekbench Multi: 9760 vs 1736
- Faster charging: 45W vs 33W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (92/100 vs 40/100)
- Better camera (81/100 vs 18/100)
- Longer battery life (56/100 vs 46/100)
- Better display (88/100 vs 44/100)
Comparison verdict
Comparing the Oppo A78 vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 43 points higher (80/100 vs 37/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 40/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 18/100). In the "battery" category, the Samsung Galaxy S25 Ultra leads (56/100 vs 46/100). In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A78 (92/100 vs 40/100). In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A78 (88/100 vs 44/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A78 (81/100 vs 18/100). In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (56/100 vs 46/100). In the "portability" category, the Oppo A78 notably outperforms the Samsung Galaxy S25 Ultra (67/100 vs 46/100).
Specs comparison
| Specification | Oppo A78 | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 700 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 515647 | 3128552 | |
| Geekbench Single | 690 | 3100 | |
| Geekbench Multi | 1736 | 9760 | |
| Display | 6.6" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 720x1612 | 3120x1440 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 5000 mAh | 5000 mAh | |
| Charging | 33W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | 69 | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 12 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 12, ColorOS 13 | Android 15 / One UI 7 | |
| Brightness (peak) | 600 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 163.8×75.1×8.0 mm | 162.8×77.6×8.2 mm | |
| Weight | 188 g | 218 g | |
| Launch price | — | $1299 |
Camera comparison
Oppo A78
- Main: 50MP f/1.8
- Front: 8MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
Oppo A78
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Oppo A78
- 5000 mAh
- Wired: 33W
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared Oppo A78 and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Oppo A78 by 83.5% 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 Samsung Galaxy S25 Ultra significantly outperforms the Oppo A78 (92/100 vs 40/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A78 (88/100 vs 44/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A78 (81/100 vs 18/100).
battery
In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (56/100 vs 46/100).
portability
In the "portability" category, the Oppo A78 notably outperforms the Samsung Galaxy S25 Ultra (67/100 vs 46/100).
Frequently asked questions
Which is better: the Oppo A78 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra significantly outperforms the Oppo A78 by 43 points (80/100 vs 37/100).
What is the rating of the Oppo A78 and the Samsung Galaxy S25 Ultra?
The Oppo A78 has a MobileRank rating of 37/100, the Samsung Galaxy S25 Ultra — 80/100.
Which has the better camera: the Oppo A78 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 18/100).
Which is more powerful: the Oppo A78 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 40/100).
Should you choose the Oppo A78 over the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.