Oppo A15s vs Samsung Galaxy S25 Ultra
The Oppo A15s (2020) runs on the MediaTek Helio P35, 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 23/100 (a 57-point difference). Key differences: the Samsung Galaxy S25 Ultra has the bigger battery (5000 mAh vs 4230); the main camera is 13 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 199,111); the Samsung Galaxy S25 Ultra has NFC for contactless payments, the Oppo A15s doesn't; the Oppo A15s is noticeably lighter (177g vs 218g).
Profile comparison
Category scores
Oppo A15s
Samsung Galaxy S25 Ultra
What makes Oppo A15s better?
- Lighter: 177g vs 218g
- Better portability (74/100 vs 46/100)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 199111
- Better Geekbench Single: 3100 vs 476
- Better Geekbench Multi: 9760 vs 828
- Bigger battery: 5000 vs 4230 mAh
- Faster charging: 45W vs 10W
- Better main camera: 200MP vs 13MP
- Higher performance (92/100 vs 19/100)
- Better camera (81/100 vs 10/100)
- Longer battery life (56/100 vs 27/100)
- Better display (88/100 vs 39/100)
Comparison verdict
Comparing the Oppo A15s vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 57 points higher (80/100 vs 23/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 19/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 10/100). In the "battery" category, the Samsung Galaxy S25 Ultra leads (56/100 vs 27/100). In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A15s (92/100 vs 19/100). In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A15s (88/100 vs 39/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A15s (81/100 vs 10/100). In the "battery" category, the Samsung Galaxy S25 Ultra notably outperforms the Oppo A15s (56/100 vs 27/100). In the "portability" category, the Oppo A15s notably outperforms the Samsung Galaxy S25 Ultra (74/100 vs 46/100).
Specs comparison
| Specification | Oppo A15s | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio P35 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 199111 | 3128552 | |
| Geekbench Single | 476 | 3100 | |
| Geekbench Multi | 828 | 9760 | |
| Display | 6.5" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 720x1600 | 3120x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 4230 mAh | 5000 mAh | |
| Charging | 10W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 13 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 12 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB / 1TB | |
| OS | Android 10, ColorOS 7.2 | Android 15 / One UI 7 | |
| Brightness (peak) | 480 nits | 2600 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.0×75.4×7.9 mm | 162.8×77.6×8.2 mm | |
| Weight | 177 g | 218 g | |
| Launch price | — | $1299 |
Camera comparison
Oppo A15s
- Main: 13MP f/2.2
- Front: 8MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
Oppo A15s
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Oppo A15s
- 4230 mAh
- Wired: 10W
- 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 A15s and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Oppo A15s by 93.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo A15s
Price unknownDetailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A15s (92/100 vs 19/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A15s (88/100 vs 39/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Oppo A15s (81/100 vs 10/100).
battery
In the "battery" category, the Samsung Galaxy S25 Ultra notably outperforms the Oppo A15s (56/100 vs 27/100).
portability
In the "portability" category, the Oppo A15s notably outperforms the Samsung Galaxy S25 Ultra (74/100 vs 46/100).
Frequently asked questions
Which is better: the Oppo A15s or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra significantly outperforms the Oppo A15s by 57 points (80/100 vs 23/100).
What is the rating of the Oppo A15s and the Samsung Galaxy S25 Ultra?
The Oppo A15s has a MobileRank rating of 23/100, the Samsung Galaxy S25 Ultra — 80/100.
Which has the better camera: the Oppo A15s or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 10/100).
Which is more powerful: the Oppo A15s or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 19/100).
Should you choose the Oppo A15s over the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.