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Infinix SMART 9 HD vs Redmi A3x (Specs, Price & Features)
Compare Infinix SMART 9 HD vs Redmi A3x side by side to find out which is better. Discover differences in specifications, price, performance, camera, battery, and more to find the best smartphone for your needs in the Philippines.
| Specs | Infinix SMART 9 HD | Redmi A3x |
|---|---|---|
| General | ||
| Brand | Infinix | Xiaomi |
| Model | SMART 9 HD | Redmi A3x |
| Release Date | March 6, 2025 | June 2024 |
| Status | Available | Available |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Dual Nano-SIM (Dedicated Slot) |
| Price | ₱3,699 | ₱3,999 |
| Build & Design | ||
| Dimensions | 165.7 x 77.1 x 8.4 mm | 168.4 x 76.3 x 8.3 mm |
| Weight | 188 g | 199 g |
| Build Material | Glass front, plastic back, plastic frame | Glass front (Gorilla Glass 3), Plastic frame, Glass back |
| Water & Dust Resistance | IP54 (dust and splash resistant) | No official IP rating |
| Durability | Drop-resistance certified (1.5m drop protection) | - |
| Colors | Metallic Black, Neo Titanium, Mint Green, Coral Gold | Aurora Green, Midnight Black, Moonlight White |
| Display | ||
| Screen Size | 6.7 inches | 6.71 inches |
| Display Type | IPS LCD | IPS LCD (Dot Drop Display) |
| Resolution | 720 x 1600 pixels (HD+) | HD+ (1650 x 720 pixels) |
| Refresh Rate | 90Hz | 90Hz |
| Aspect Ratio | 20:9 | 20.6:9 |
| Pixel Density (PPI) | 262 PPI | 268 PPI |
| Brightness | 500 nits (peak) | 500 nits (HBM) |
| Protection | - | Corning Gorilla Glass 3 |
| Performance | ||
| Chipset | MediaTek Helio (Octa-core 2.2 GHz) | Unisoc T603 (22nm) |
| CPU | Octa-core (8x 2.2 GHz Cortex-A53) | Octa-core (Up to 1.8GHz) |
| GPU | Mali-G57 MC1 | PowerVR Rogue GE8322 |
| RAM Options | 3GB / 4GB | 3GB / 4GB (LPDDR4X) |
| Internal Storage Options | 64GB | 64GB / 128GB (eMMC 5.1) |
| Expandable Storage | Yes (microSDXC, dedicated slot up to 2TB) | Yes, via microSD up to 1TB (Dedicated slot) |
| Software & Features | ||
| Operating System | Android 14 (Go edition) | Android 14 |
| UI / Skin | XOS 14.0 | HyperOS (Redmi Edition) |
| Special Features | Dynamic Bar, 300% Ultra Volume, built-in LED flashlight (5m range) | Dynamic RAM expansion (up to 8GB total), 2 years of Android updates, and 3 years of security patches. |
| Camera | ||
| Main Camera | 13 MP (f/1.9, AF) | 8MP (f/2.0) |
| Secondary | Auxiliary lens | Auxiliary QVGA lens |
| Features | Dual-LED flash, HDR, Panorama | HDR mode, Portrait mode, filmCamera filters, Time-lapse |
| Video Recording | 1080p @ 30fps | 1080p @ 30fps |
| Front Camera | 8 MP (f/2.0) | 5MP (f/2.2) |
| Front Camera Features | LED flash | Soft-light ring, Selfie Beautify, HDR |
| Front Video Recording | Yes | 1080p @ 30fps |
| Audio & Multimedia | ||
| Speakers | Stereo speakers | Mono (Bottom-firing) |
| Audio Features | 300% Ultra Volume | High-volume speaker mode |
| 3.5mm Jack | Yes | Yes |
| Video Formats Supported | MP4, MKV, 3GP, WEBM | MP4, MKV, 3GP |
| Connectivity | ||
| Network | 4G LTE, 3G, 2G | 4G LTE, 3G, 2G |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac (dual-band) | 2.4GHz Wi-Fi |
| Bluetooth | Yes | 4.2 |
| GPS | Yes | GPS, Glonass, Galileo |
| NFC | No | No |
| IR Blaster | Yes | No |
| USB | USB-C 2.0, OTG | USB Type-C |
| Sensors & Security | ||
| Fingerprint Sensor | Side-mounted | Side-mounted |
| Face Unlock | Yes | AI Face Unlock (2D) |
| Sensors | Accelerometer, proximity, compass | Accelerometer, Electronic Compass, Virtual Proximity, Virtual Ambient Light |
| Battery | ||
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Charging Type | Wired | Wired |
| Charging Speed | 10W | 10W standard charging |
| Wireless Charging | No | No |
| Reverse Charging | Yes (wired) | No |
| Price & Availability | ||
| Variants (RAM/Storage + Price) | 4GB+64GB ₱3,699 | 3GB + 64GB ₱3,999 4GB + 128GB ₱4,499 |
| Availability | Available at official Infinix stores, Shopee, Lazada, and authorized mobile retailers in the Philippines. | Xiaomi Official Stores (Shopee, Lazada, TikTok Shop) and authorized retailers nationwide. |