Oppo A18 vs Xiaomi 14 Ultra
Compare Oppo A18 vs Xiaomi 14 Ultra side by side: MediaTek Helio G85 vs Qualcomm Snapdragon 8 Gen 3, 5000mAh vs 5000mAh battery, $699 vs $1299. Full…
Oppo
Oppo A18
$699
3categories won
Xiaomi
14 Ultra
$1,299
9categories won
1 categories tied · 13 scored in total · add a third phone
Which one wins?
Xiaomi 14 Ultra takes the overall win
The Xiaomi 14 Ultra proves superior overall against the Oppo A18, outperforming on gaming and photography. In camera testing, the 14 Ultra leads with superior optics, while battery endurance leans towards the 14 Ultra. Choose the 14 Ultra if you want the highest performance ceiling, or opt for the Oppo A18 if its lower retail price better fit your budget.
14 Ultra takes battery honors offering 5,000 mAh alongside 90W charging.
14 Ultra provides greater sustained gaming output with its Qualcomm Snapdragon 8 Gen 3 and 16GB RAM.
14 Ultra takes photography with 50MP optics and 5x optical telephoto capabilities.
Oppo A18 provides a sharper value proposition, coming in at $699 vs $1299.
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 14 Ultra: specifications compared
Display
| Specification | Oppo A18 | 14 Ultra |
|---|---|---|
| Screen size | 6.56" | 6.73" |
| Resolution | 720 x 1612 | 1440 x 3200Winner |
| Pixel density | 269 ppi | 522 ppiWinner |
| Refresh rate | 90 Hz | 120 HzWinner |
| Peak brightness | 720 nits | 3000 nitsWinner |
Performance
| Specification | Oppo A18 | 14 Ultra |
|---|---|---|
| Chipset | MediaTek Helio G85 | Qualcomm Snapdragon 8 Gen 3 |
| Process node | — | 4 nm |
| AnTuTu score | 250,000 | 2,050,000Winner |
| Geekbench multi | 1360 | 6980Winner |
| Maximum RAM | — | 16 GB |
| Maximum storage | — | 1TB |
Camera
| Specification | Oppo A18 | 14 Ultra |
|---|---|---|
| Main sensor | — | 50 MP |
| Rear cameras | — | 4 |
| Optical zoom | — | 5x |
| Ultrawide | — | 50 MP |
| Selfie camera | 5 MP | 32 MPWinner |
| Max video | 1080p@30fps | 8K at 30fps, 4K at 120fps Dolby Vision |
Battery and charging
| Specification | Oppo A18 | 14 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 10 W | 90 WWinner |
| Wireless charging | No | 80 WWinner |
Design
| Specification | Oppo A18 | 14 Ultra |
|---|---|---|
| Weight | 188 gWinner | 220 g |
| Thickness | 8.2 mmWinner | 9.2 mm |
| Water resistance | IP54 | IP68 |
| Build | — | High-strength aluminum unibody, nano-tech vegan leather back |
Software and support
| Specification | Oppo A18 | 14 Ultra |
|---|---|---|
| Operating system | 13 (Upgradable to 14, ColorOS 14) | Android 14 |
| OS updates | — | 4 years |
| Security updates | — | 5 years |
Connectivity and value
| Specification | Oppo A18 | 14 Ultra |
|---|---|---|
| 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 | $1,299 |
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)
Xiaomi 14 Ultra
With its Sony LYT-900 1-inch main sensor featuring stepless variable aperture from f/1.63 to f/4.0, dual periscope/telephoto lenses, 90W fast charging, and optional Leica Photography Kit, the 14 Ultra is a pure photographer’s camera.
- Display
- 6.73"
- Chipset
- Qualcomm Snapdragon 8 Gen 3
- Main camera
- 50MP
- Battery
- 5,000mAh