Findprix helps you compare the Infinix Smart 20 4G 4GB RAM, 128GB and Redmi A4 5G 128GB in terms of price, specifications, user reviews, and more. Infinix Smart 20 4G 4GB RAM, 128GB is priced at ₹13,999. Redmi A4 5G 128GB is priced at ₹16,094. Here's a quick comparison.
| Product | Price | Processor | RAM | Storage | Display | Front Camera | Rear Camera | Battery | OS |
|---|---|---|---|---|---|---|---|---|---|
| Infinix Smart 20 4G | ₹13,999 | 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 |
| Redmi A4 5G | ₹16,094 | Qualcomm Snapdragon 4s Gen 2 | 4 nm | 4GB | 128GB | UFS 2.2 | 6.88 inches | HD+ | 5MP | 50MP | 5160 mAh | 18W | Android 14 |
₹13,999
Infinix Smart 20 4G
4GB RAM + 128GB
₹16,094
Redmi A4 5G
4GB RAM + 64GB
Prices
Infinix Smart 20 4G
Flipkart₹13,999Price has been stable for the last 4 days.
Redmi A4 5G
Flipkart₹16,094
Amazon₹11,999₹1,095 above the 1 month average of ₹14,999 — slightly expensive.
Ratings
Infinix Smart 20 4G
3.4
(10)
Redmi A4 5G
4.1
(22.8K)
General
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| Device Type | Smartphone | Smartphone |
| Operating System | Android 16 | Android 14 |
| OS Updates | -- | 2 Years |
| Custom UI | XOS 16 | HyperOS |
Design
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| Dimensions | 167.7 x 78.8 x 7.7 mm | 171.88 x 77.8 x 8.22 mm |
| Weight | 189 g | 212.3 g |
| Water Resistance | Yes, IP64 | Yes, Splash proof, IP52 |
| Dust Resistance | Yes | Yes |
| Build Material | Back: Plastic | Back: Mineral Glass |
| Colours | Sunlike Orange, Cloudline Blue, Shadow Black, Polaris Titanium | Sparkle Purple, Starry Black |
Display
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| Touch Screen | Yes | Yes, Capacitive Touchscreen, Multi-touch |
| Display Type | IPS LCD | IPS LCD |
| Brightness | HBM: 700 nits | 600 nits |
| Refresh Rate | 120 Hz | 120 Hz |
| Screen Size | 6.78 inches (17.22 cm), HD+ | 6.88 inches (17.48 cm), HD+ |
| Screen Resolution | 720 x 1600 pixels | 720 x 1640 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| Screen-to-Body Ratio | ~82.9% | 90% |
| Pixel Density | ~259 ppi | ~ 260 ppi |
Rear Camera
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| Camera Setup | Single | Dual |
| Primary | 8 MP (wide) f/2.0 aperture, 1/4.0″ sensor size, 1.12µm pixel size | 50 MP (Wide) f/1.8 aperture AF |
| Autofocus | Yes | Yes |
| Flash | Yes, Dual LED | Yes, LED Flash |
| Video Recording | 1440p @ 30 fps, 1080p @ 30 fps | 1080p @ 30 fps |
| Features | -- | Digital Zoom, Auto Flash, Face detection, Touch to focus |
Front Camera
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| 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/1.8 aperture AF |
| Video Recording | 1440p @ 30 fps, 1080p @ 30 fps | 1080p @ 30 fps |
Performance
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| RAM | 4 GB | 4 GB |
| RAM Type | LPDDR4X | -- |
| Chipset | MediaTek Helio G81 Ultimate | Qualcomm Snapdragon 4s Gen 2 |
| Fabrication | 12 nm | 4 nm |
| GPU | Mali-G52 MC2 | Adreno 611 |
| CPU | Octa core 2x Cortex-A75 @ 2.0 GHz 6x Cortex-A55 @ 1.7 GHz | Octa core (2 x 2 GHz Cortex A78 + 6 x 1.8 GHz Cortex A55) |
Storage
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| Internal Storage | 128 GB | 128 GB |
| Storage Type | eMMC 5.1 | UFS 2.2 |
| Memory Card Slot | Yes, up to 2 TB | Yes, Up to 1 TB |
Battery
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| Battery | 5200 mAh | 5160 mAh |
| Battery Type | -- | Li-Polymer |
| Wired Charging Speed | 15W | 18W |
| Wired Reverse Charging | Yes, 5W | -- |
Network
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| SIM | SIM 1: Nano SIM 2: Nano | Dual SIM SIM1: Nano SIM2: Nano |
| Network Support | 4G, 3G, 2G | 5G, 4G, 3G, 2G |
| 4G Bands | B1, B2, B3, B4, B5, B7, B8, B20, B28, B38, B41, B40 | -- |
| Navigation Support | GPS | Yes with A-GPS |
Connectivity
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| 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 2.0 |
| NFC | Yes | -- |
| Infrared port | Yes | -- |
Features
| Feature | Infinix Smart 20 4G | Redmi A4 5G |
|---|---|---|
| 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 | Accelerometer |
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