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Findprix helps you compare the Redmi A3X (4GB RAM + 128GB) and Infinix Smart 9 HD in terms of price, specifications, user reviews, and more. Redmi A3X (4GB RAM + 128GB) is priced at ₹6,499. Infinix Smart 9 HD is priced at ₹6,699. Here's a quick comparison.
| Key Highlights | Redmi A3X (4GB RAM + 128GB) | Infinix Smart 9 HD |
|---|---|---|
| Processor | Unisoc T603 | 12 nm | Mediatek Helio G50 |
| RAM | 4GB | 3GB |
| Storage | 128GB | eMMC 5.1 | 64GB |
| Display | 6.71 inches | HD+ | 6.7 inches | HD+ |
| Front Camera | 5MP | 8MP |
| Rear Camera | 8MP + 0.08MP | 13MP |
| Battery | 5000 mAh | 5000 mAh | 10W |
| OS | Android v14 | Android 14 |
Overview
| Launch Date | June 24, 2024 | January 28, 2025 |
|---|---|---|
| Processor | Unisoc T603 | 12 nm | Mediatek Helio G50 |
| RAM | 4GB | 3GB |
| Storage | 128GB | eMMC 5.1 | 64GB |
| Display | 6.71 inches | HD+ | 6.7 inches | HD+ |
| Front Camera | 5MP | 8MP |
| Rear Camera | 8MP + 0.08MP | 13MP |
| Battery | 5000 mAh | 5000 mAh | 10W |
| OS | Android v14 | Android 14 |
| User Ratings | 4.1/5 (9.7K Ratings) | 4.0/5 (4.4K Ratings) |
Price List
 | ₹6,499 | ₹6,699 |
|---|---|---|
 | ₹7,999 | ₹6,699 |
General
| Device Type | Smartphone | Smartphone |
|---|---|---|
| Operating System | Android 14 | Android 14 (Go edition) |
| OS Updates | Up to 2 Android upgrades | -- |
| Custom UI | MIUI | XOS 14 |
Design
| Dimensions | 168.4 x 76.3 x 8.3 mm | 165.7 x 77.1 x 8.4 mm |
|---|---|---|
| Weight | 193 g | 188 g |
| Water Resistance | -- | Yes, IP54 |
| Dust Resistance | -- | Yes |
| Build Material | Back: Mineral Glass | -- |
| Colours | Midnight Black, Moonlight White, Aurora Green | Metallic Black, Neo Titanium, Mint Green, Coral Gold |
Display
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch | Yes |
|---|---|---|
| Display Type | IPS LCD | IPS LCD |
| Peak Brightness | 500 nits | 500 nits |
| Refresh Rate | 90 Hz | 90 Hz |
| Screen Size | 6.71 inches (17.04 cm), HD+ | 6.7 inches |
| Screen Resolution | 720 x 1650 pixels | 720 x 1600 pixels |
| Aspect Ratio | -- | 20:9 |
| Screen-to-Body Ratio | 82.9% | ~84.8% |
| Pixel Density | ~ 268 ppi | ~262 ppi |
| Screen Protection | Yes, Corning Gorilla Glass v3 | -- |
Rear Camera
| Camera Setup | Dual | Dual |
|---|---|---|
| Primary | 5 MP (Wide) f/2.2 aperture | 13 MP (Wide) f/1.9 aperture, 27 mm focal length AF |
| Secondary | 0.08 MP | -- |
| Autofocus | -- | Yes |
| Flash | Yes, LED Flash | Yes, LED flash |
| Video Recording | 1080p @ 30 fps | 1080p @ 30 fps |
| Features | HDR | -- |
Front Camera
| Camera Setup | Single | Single |
|---|---|---|
| Primary | -- | 8 MP (Wide) f/1.9 aperture, 27 mm focal length AF |
| Video Recording | 1080p @ 30 fps | -- |
| Features | -- | LED flash |
Performance
| RAM | 4 GB | 3GB |
|---|---|---|
| Chipset | Unisoc T603 | Mediatek Helio G50 |
| Fabrication | 12 nm | -- |
| GPU | Mali-G57 | Mali-G57 MC1 |
| CPU | Octa core (2 x 1.8 GHz Cortex A75 + 6 x 1.6 GHz Cortex A55) | Octa-core (8 x 2.2 GHz Cortex-A53) |
Storage
| Internal Storage | 128 GB | 64 GB |
|---|---|---|
| Storage Type | eMMC 5.1 | -- |
| Memory Card Slot | Yes, Up to 1 TB | Yes, up to 1 TB |
Battery
| Battery | 5000 mAh | 5000 mAh |
|---|---|---|
| Battery Type | Li-Polymer | -- |
| Wired Charging Speed | -- | 10W |
Network
| SIM | Dual SIM SIM1: Nano SIM2: Nano | Dual SIM rnSIM 1: Nano rnSIM 2: Nano |
|---|---|---|
| Network Support | 4G, 3G, 2G | 4G, 3G, 2G |
| Navigation Support | Yes with Glonass | Yes, GPS |
Connectivity
| Bluetooth | Yes, v5.4 | Yes |
|---|---|---|
| Wi-Fi | Yes, Wi-Fi 4 (802.11 b/g/n) | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| USB | USB Type-C | USB Type-C 2.0, OTG |
| NFC | No | No |
| Infrared port | -- | Yes |
Features
| Audio Jack | Yes, 3.5 mm | Yes, 3.5 mm |
|---|---|---|
| FM Radio | Yes | Yes |
| Loud Speaker | Yes | Yes |
| Stereo Speakers | -- | Yes |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Sensors | Light sensor, Proximity sensor, Accelerometer, Compass | Accelerometer, Proximity, Compass |
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