Findprix helps you compare the Infinix Smart 20 4G 4GB RAM, 128GB and Oppo A18 (4GB RAM + 128GB) in terms of price, specifications, user reviews, and more. Infinix Smart 20 4G 4GB RAM, 128GB is priced at ₹13,799. Oppo A18 (4GB RAM + 128GB) is priced at ₹15,999. Here's a quick comparison.
| Product | Price | Processor | RAM | Storage | Display | Front Camera | Rear Camera | Battery | OS |
|---|---|---|---|---|---|---|---|---|---|
| Infinix Smart 20 4G | ₹13,799 | 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 |
| 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 |
₹13,799
Infinix Smart 20 4G
4GB RAM + 128GB
₹15,999
Oppo A18
4GB RAM + 128GB
Prices
Infinix Smart 20 4G
Amazon₹13,799
Flipkart₹13,999Just ₹196 below the 1 month average of ₹13,995 — good deal.
Oppo A18
Flipkart₹15,999Price has been stable for the last 1 month.
Ratings
Infinix Smart 20 4G
3.5
(122)
Oppo A18
4.3
(1.7K)
General
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| Device Type | Smartphone | Smartphone |
| Operating System | Android 16 | Android 13 |
| Custom UI | XOS 16 | -- |
Design
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| Dimensions | 167.7 x 78.8 x 7.7 mm | 163.7 x 75 x 8.1 mm |
| Weight | 189 g | 188 g |
| Water Resistance | Yes, IP64 | Yes, Splash proof, IPX4, IP5X |
| Dust Resistance | Yes | -- |
| Build Material | Back: Plastic | -- |
| Colours | Sunlike Orange, Cloudline Blue, Shadow Black, Polaris Titanium | Glowing Black, Glowing Blue |
Display
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| Touch Screen | Yes | Yes, Capacitive Touchscreen, Multi-touch |
| Display Type | IPS LCD | IPS LCD |
| Brightness | HBM: 700 nits | 720 nits |
| Refresh Rate | 120 Hz | 90 Hz |
| Screen Size | 6.78 inches (17.22 cm), HD+ | 6.56 inches |
| Screen Resolution | 720 x 1600 pixels | 720 x 1612 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| Screen-to-Body Ratio | ~82.9% | -- |
| Pixel Density | ~259 ppi | 269 ppi |
Rear Camera
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| Camera Setup | Single | Dual |
| Primary | 8 MP (wide) f/2.0 aperture, 1/4.0″ sensor size, 1.12µm pixel size | 8 MP (wide) f/2.0 aperture |
| Autofocus | Yes | Yes |
| Flash | Yes, Dual LED | Yes, LED Flash |
| Video Recording | 1440p @ 30 fps, 1080p @ 30 fps | 720p @ 30 fps, 1080p @ 30 fps |
| Features | -- | Digital Zoom, Auto Flash, Face detection, Touch to focus, Autofocus |
Front Camera
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| Camera Setup | Single | Single |
| Primary | 8 MP (wide) f/2.0 aperture, 1/4.0″ sensor size, 1.12µm pixel size | 5 MP (wide) f/2.0 aperture |
| Video Recording | 1440p @ 30 fps, 1080p @ 30 fps | -- |
Performance
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| RAM | 4 GB | 4 GB |
| RAM Type | LPDDR4X | -- |
| Chipset | MediaTek Helio G81 Ultimate | MediaTek Helio G85 |
| Fabrication | 12 nm | 12 nm |
| GPU | Mali-G52 MC2 | Mali-G52 MC2 |
| CPU | Octa core 2x Cortex-A75 @ 2.0 GHz 6x Cortex-A55 @ 1.7 GHz | Octa core (2 x 2 GHz Cortex A75 + 6 x 1.8 GHz Cortex A55) |
Storage
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| Internal Storage | 128 GB | 128 GB |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Memory Card Slot | Yes, up to 2 TB | Yes, Up to 1 TB |
Battery
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| Battery | 5200 mAh | 5000 mAh |
| Battery Type | -- | Li-Polymer |
| Wired Charging Speed | 15W | -- |
| Wired Reverse Charging | Yes, 5W | -- |
Network
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| SIM | SIM 1: Nano SIM 2: Nano | Dual SIM (Nano + 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 | GPS | Yes with A-GPS, Glonass |
Connectivity
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| Bluetooth | Yes, v5.2 | Yes, v5.3 |
| Wi-Fi | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz |
| USB | USB Type-C 2.0, OTG | USB Type-C, USB On-The-Go |
| NFC | Yes | No |
| Infrared port | Yes | -- |
Features
| Feature | Infinix Smart 20 4G | Oppo A18 |
|---|---|---|
| Audio Jack | Yes, 3.5 mm | Yes, 3.5 mm |
| Loud Speaker | Yes | Yes |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Sensors | Accelerometer, Compass, Proximity Sensor | Light sensor, Proximity sensor, Accelerometer, Compass |
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