Findprix helps you compare the Oppo A18 (4GB RAM + 128GB) and Infinix Smart 20 4G 4GB RAM, 128GB in terms of price, specifications, user reviews, and more. Oppo A18 (4GB RAM + 128GB) is priced at ₹15,999. Infinix Smart 20 4G 4GB RAM, 128GB is priced at ₹13,990. Here's a quick comparison.
| Product | Price | Processor | RAM | Storage | Display | Front Camera | Rear Camera | Battery | OS |
|---|---|---|---|---|---|---|---|---|---|
| Oppo A18 | ₹15,999 | MediaTek Helio G85 | 12 nm | 4 GB | 128 GB | eMMC 5.1 | 6.56 inches | HD+ | 5 MP | 8 MP + 2 MP | 5000 mAh | Li-Polymer | Android 13 | ColorOS |
| Infinix Smart 20 4G | ₹13,990 | MediaTek Helio G81 Ultimate | 12 nm | 4GB | LPDDR4X | 128GB | eMMC 5.1 | 6.78 inches | HD+ | 8MP | 8MP | 5200 mAh | 15W | Android 16 | XOS 16 |
₹15,999
Oppo A18
4GB RAM + 128GB
₹13,990
Infinix Smart 20 4G
4GB RAM + 128GB
Prices
Oppo A18
Flipkart₹15,999Price has been stable for the last 1 month.
Infinix Smart 20 4G
Amazon₹13,990Flipkart₹13,999Just ₹9 below the 1 month average of ₹13,999 — good deal.
Ratings
Oppo A18
4.3
(1.7K)
Infinix Smart 20 4G
3.5
(118)
General
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| Device Type | Smartphone | Smartphone |
| Operating System | Android 13 | Android 16 |
| Custom UI | -- | XOS 16 |
Design
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| Dimensions | 163.7 x 75 x 8.1 mm | 167.7 x 78.8 x 7.7 mm |
| Weight | 188 g | 189 g |
| Water Resistance | Yes, Splash proof, IPX4, IP5X | Yes, IP64 |
| Dust Resistance | -- | Yes |
| Build Material | -- | Back: Plastic |
| Colours | Glowing Black, Glowing Blue | Sunlike Orange, Cloudline Blue, Shadow Black, Polaris Titanium |
Display
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch | Yes |
| Display Type | IPS LCD | IPS LCD |
| Brightness | 720 nits | HBM: 700 nits |
| Refresh Rate | 90 Hz | 120 Hz |
| Screen Size | 6.56 inches | 6.78 inches (17.22 cm), HD+ |
| Screen Resolution | 720 x 1612 pixels | 720 x 1600 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| Screen-to-Body Ratio | -- | ~82.9% |
| Pixel Density | 269 ppi | ~259 ppi |
Rear Camera
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| Camera Setup | Dual | Single |
| Primary | 8 MP (wide) f/2.0 aperture | 8 MP (wide) f/2.0 aperture, 1/4.0″ sensor size, 1.12µm pixel size |
| Autofocus | Yes | Yes |
| Flash | Yes, LED Flash | Yes, Dual LED |
| Video Recording | 720p @ 30 fps, 1080p @ 30 fps | 1440p @ 30 fps, 1080p @ 30 fps |
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus, Autofocus | -- |
Front Camera
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| Camera Setup | Single | Single |
| Primary | 5 MP (wide) f/2.0 aperture | 8 MP (wide) f/2.0 aperture, 1/4.0″ sensor size, 1.12µm pixel size |
| Video Recording | -- | 1440p @ 30 fps, 1080p @ 30 fps |
Performance
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| RAM | 4 GB | 4 GB |
| RAM Type | -- | LPDDR4X |
| Chipset | MediaTek Helio G85 | MediaTek Helio G81 Ultimate |
| Fabrication | 12 nm | 12 nm |
| GPU | Mali-G52 MC2 | Mali-G52 MC2 |
| CPU | Octa core (2 x 2 GHz Cortex A75 + 6 x 1.8 GHz Cortex A55) | Octa core 2x Cortex-A75 @ 2.0 GHz 6x Cortex-A55 @ 1.7 GHz |
Storage
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| Internal Storage | 128 GB | 128 GB |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Memory Card Slot | Yes, Up to 1 TB | Yes, up to 2 TB |
Battery
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| Battery | 5000 mAh | 5200 mAh |
| Battery Type | Li-Polymer | -- |
| Wired Charging Speed | -- | 15W |
| Wired Reverse Charging | -- | Yes, 5W |
Network
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| SIM | Dual SIM (Nano + Nano) | SIM 1: Nano SIM 2: Nano |
| Network Support | 4G, 3G, 2G | 4G, 3G, 2G |
| 4G Bands | -- | B1, B2, B3, B4, B5, B7, B8, B20, B28, B38, B41, B40 |
| Navigation Support | Yes with A-GPS, Glonass | GPS |
Connectivity
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| Bluetooth | Yes, v5.3 | Yes, v5.2 |
| Wi-Fi | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) |
| USB | USB Type-C, USB On-The-Go | USB Type-C 2.0, OTG |
| NFC | No | Yes |
| Infrared port | -- | Yes |
Features
| Feature | Oppo A18 | Infinix Smart 20 4G |
|---|---|---|
| Audio Jack | Yes, 3.5 mm | Yes, 3.5 mm |
| Loud Speaker | Yes | Yes |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Sensors | Light sensor, Proximity sensor, Accelerometer, Compass | Accelerometer, Compass, Proximity Sensor |
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