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Infinix Smart 20 vs Redmi A3x (Specs, Price & Features)
Compare Infinix Smart 20 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 20 | Redmi A3x |
|---|---|---|
| General | ||
| Brand | Infinix | Xiaomi |
| Model | SMART 20 4G | Redmi A3x |
| Release Date | February 17, 2026 | June 2024 |
| Status | Available | Available |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Dual Nano-SIM (Dedicated Slot) |
| Price | ₱4,499 | ₱3,999 |
| Build & Design | ||
| Dimensions | 168.5 x 76.5 x 8.4 mm (Estimated) | 168.4 x 76.3 x 8.3 mm |
| Weight | 195g | 199 g |
| Build Material | Glass front, Polycarbonate (plastic) frame and back | Glass front (Gorilla Glass 3), Plastic frame, Glass back |
| Water & Dust Resistance | - | No official IP rating |
| Durability | - | - |
| Colors | Shiny Gold, Timber Black, Crystal Green, Galaxy White | Aurora Green, Midnight Black, Moonlight White |
| Display | ||
| Screen Size | 6.78 inches | 6.71 inches |
| Display Type | IPS LCD | IPS LCD (Dot Drop Display) |
| Resolution | HD+ (720 x 1612 pixels) | HD+ (1650 x 720 pixels) |
| Refresh Rate | 120Hz | 90Hz |
| Aspect Ratio | 20:9 | 20.6:9 |
| Pixel Density (PPI) | - | 268 PPI |
| Brightness | - | 500 nits (HBM) |
| Protection | Scratch-resistant glass | Corning Gorilla Glass 3 |
| Performance | ||
| Chipset | MediaTek Helio G81 | Unisoc T603 (22nm) |
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core (Up to 1.8GHz) |
| GPU | Mali-G52 MC2 | PowerVR Rogue GE8322 |
| RAM Options | 4GB (expandable up to 8GB via Virtual RAM) | 3GB / 4GB (LPDDR4X) |
| Internal Storage Options | 128GB / 256GB | 64GB / 128GB (eMMC 5.1) |
| Expandable Storage | Yes, via dedicated microSDXC slot (up to 1TB) | Yes, via microSD up to 1TB (Dedicated slot) |
| Software & Features | ||
| Operating System | Android 16 | Android 14 |
| UI / Skin | XOS 16 | HyperOS (Redmi Edition) |
| Special Features | Magic Ring (dynamic notch notifications), Game Mode, LinkPlus 1.0 | Dynamic RAM expansion (up to 8GB total), 2 years of Android updates, and 3 years of security patches. |
| Camera | ||
| Main Camera | 8 MP (Wide), f/2.0 | 8MP (f/2.0) |
| Secondary | 2 MP (Depth/AI 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 (Wide) | 5MP (f/2.2) |
| Front Camera Features | Dual-LED flash | Soft-light ring, Selfie Beautify, HDR |
| Front Video Recording | 1080p@30fps | 1080p @ 30fps |
| Audio & Multimedia | ||
| Speakers | Dual Stereo Speakers | Mono (Bottom-firing) |
| Audio Features | DTS Audio processing | High-volume speaker mode |
| 3.5mm Jack | 3.5mm Jack | Yes |
| Video Formats Supported | MP4, MKV, AVI, etc. | 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 | 5.0, A2DP, LE | 4.2 |
| GPS | Yes, with A-GPS | GPS, Glonass, Galileo |
| NFC | No | No |
| IR Blaster | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C |
| Sensors & Security | ||
| Fingerprint Sensor | Side-mounted | Side-mounted |
| Face Unlock | Yes | AI Face Unlock (2D) |
| Sensors | - | Accelerometer, Electronic Compass, Virtual Proximity, Virtual Ambient Light |
| Battery | ||
| Battery Capacity | 5,200 mAh (Non-removable) | 5,000 mAh |
| Charging Type | USB Type-C | Wired |
| Charging Speed | 10W Standard Charging | 10W standard charging |
| Wireless Charging | No | No |
| Reverse Charging | No | No |
| Price & Availability | ||
| Variants (RAM/Storage + Price) | 4GB+64GB ₱4,499 4GB+128GB ₱5,499 | 3GB + 64GB ₱3,999 4GB + 128GB ₱4,499 |
| Availability | Shopee, Lazada, and Infinix kiosks nationwide | Xiaomi Official Stores (Shopee, Lazada, TikTok Shop) and authorized retailers nationwide. |