Oppo A18 vs Samsung Galaxy S25
Compare Oppo A18 vs Samsung Galaxy S25 side by side: MediaTek Helio G85 vs Qualcomm Snapdragon 8 Elite for Galaxy, 5000mAh vs 4000mAh battery, $699 vs $799…
Oppo
Oppo A18
$699
2categories won
Samsung
Galaxy S25
$799
11categories won
13 scored in total · add a third phone
Which one wins?
Samsung Galaxy S25 takes the overall win
The Samsung Galaxy S25 proves superior overall against the Oppo A18, outperforming on gaming and photography. In camera testing, the Galaxy S25 leads with superior optics, while battery endurance leans towards the Galaxy S25. Choose the Galaxy S25 if you want the highest performance ceiling, or opt for the Oppo A18 if its lower retail price better fit your budget.
Galaxy S25 takes battery honors offering 4,000 mAh alongside 25W charging.
Galaxy S25 provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite for Galaxy and 12GB RAM.
Galaxy S25 takes photography with 50MP optics and 3x optical telephoto capabilities.
Oppo A18 provides a sharper value proposition, coming in at $699 vs $799.
Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.
Oppo A18 vs Galaxy S25: specifications compared
Display
| Specification | Oppo A18 | Galaxy S25 |
|---|---|---|
| Screen size | 6.56" | 6.2" |
| Resolution | 720 x 1612 | 1080 x 2340Winner |
| Pixel density | 269 ppi | 416 ppiWinner |
| Refresh rate | 90 Hz | 120 HzWinner |
| Peak brightness | 720 nits | 2600 nitsWinner |
Performance
| Specification | Oppo A18 | Galaxy S25 |
|---|---|---|
| Chipset | MediaTek Helio G85 | Qualcomm Snapdragon 8 Elite for Galaxy |
| Process node | — | 3 nm |
| AnTuTu score | 250,000 | 2,680,000Winner |
| Geekbench multi | 1360 | 9650Winner |
| Maximum RAM | — | 12 GB |
| Maximum storage | — | 512GB |
Camera
| Specification | Oppo A18 | Galaxy S25 |
|---|---|---|
| Main sensor | — | 50 MP |
| Rear cameras | — | 3 |
| Optical zoom | — | 3x |
| Ultrawide | — | 12 MP |
| Selfie camera | 5 MP | 12 MPWinner |
| Max video | 1080p@30fps | 8K at 30fps, 4K at 60fps |
Battery and charging
| Specification | Oppo A18 | Galaxy S25 |
|---|---|---|
| Capacity | 5,000 mAhWinner | 4,000 mAh |
| Wired charging | 10 W | 25 WWinner |
| Wireless charging | No | 15 WWinner |
Design
| Specification | Oppo A18 | Galaxy S25 |
|---|---|---|
| Weight | 188 g | 162 gWinner |
| Thickness | 8.2 mm | 7.2 mmWinner |
| Water resistance | IP54 | IP68 |
| Build | — | Enhanced Armor Aluminum frame, Gorilla Glass Victus 2 front & back |
Software and support
| Specification | Oppo A18 | Galaxy S25 |
|---|---|---|
| Operating system | 13 (Upgradable to 14, ColorOS 14) | Android 15 |
| OS updates | — | 7 years |
| Security updates | — | 7 years |
Connectivity and value
| Specification | Oppo A18 | Galaxy S25 |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 7 (802.11be) |
| Storage expansion | microSD | None |
| 3.5mm jack | No | No |
| Launch price | $699Winner | $799 |
Oppo A18
Oppo A18 is an essential entry-level smartphone equipped with a smooth 90Hz display reaching 720 nits, IP54 dust/water resistance, 36-Month Fluency Protection, and a 5000mAh battery.
- Display
- 6.56"
- Chipset
- MediaTek Helio G85
- Battery
- 5,000mAh
- Software
- 13 (Upgradable to 14, ColorOS 14)
Samsung Galaxy S25
Weighing only 162 grams at 7.2mm thickness, the Galaxy S25 delivers full Snapdragon 8 Elite power, 12GB of RAM, a 120Hz LTPO display, and 3x optical telephoto in a pocket-friendly package.
- Display
- 6.2"
- Chipset
- Qualcomm Snapdragon 8 Elite for Galaxy
- Main camera
- 50MP
- Battery
- 4,000mAh