This is a side-by-side smartphone specs comparison of the Infinix ZERO 40 5G and Redmi A3x.
The Infinix ZERO 40 5G has a 6.78-inch display, MediaTek Dimensity 8200 Ultimate (4 nm) processor, triple cameras, 5G connectivity, and 5000mAh battery.
Meanwhile, the Redmi A3x has a 6.71-inch display, UNISOC T603 (28 nm) processor, dual cameras, 4G LTE connectivity, and 5000mAh battery.
| Specs | Infinix ZERO 40 5G | Redmi A3x |
|---|---|---|
| Picture |
★★★★★ 3.6/5 stars (81 ratings)
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★★★★★ 3.6/5 stars (30 ratings)
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| Screen | 6.78-inch FHD+ AMOLED Display (1080 x 2436 Pixels 393 ppi) with Corning Gorilla Glass 5, 144Hz Refresh Rate, 1300 nits max brightness, HDR, and punch-hole | 6.71-inch HD+ IPS LCD Display (720 x 1650 Pixels, 268 ppi) with Corning Gorilla Glass, 90Hz Refresh Rate, 500nits max brightness & notch |
| OS | Android 14 with XOS 14.5 | Android 14 |
| Chipset | MediaTek Dimensity 8200 Ultimate (4 nm) | UNISOC T603 (28 nm) |
| CPU | Octa Core CPU 1x Cortex-A78 @ 3.1GHz , 3x Cortex-A78 @ 3.0GHz & 4x Cortex-A55 @ 2.0GHz |
Octa Core CPU 2x Cortex-A75 @ 1.8GHz & 4x Cortex-A55 @ 1.2GHz |
| GPU | Mali-G610 MC6 | PowerVR GE8322 |
| RAM | 12 GB | 3 GB |
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| Rear Camera | Triple Cameras: 108MP Main Camera (f/1.8 Aperture, Autofocus, OIS) 50MP Ultra-wide (f/2.0 Aperture, Autofocus, 120˚ FoV) 2MP Depth Sensor -Triple LED Flash -Up to 4K@60fps video recording with stabilization |
Dual Cameras: 8MP Main Camera (f/2.0 Aperture) Decorative auxiliary lens -LED Flash -Up to 1080p video recording |
| Front Camera |
50 Megapixels (f/2.5 Aperture, Autofocus) - Up to 4K@60fps video recording |
5 Megapixels - Up to 1080p video recording |
| Storage | 512GB | 64GB |
| Expansion | None | 1TB via microSD |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| Networks | 5G, 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac/6e | Wi-Fi 802.11 b/g/n/ac (dual band) |
| NFC | Yes | No |
| Bluetooth | Bluetooth 5.3 | Bluetooth 4.2 |
| Infrared | Yes | |
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| Position | GPS, GLONASS, GALILEO, BeiDou, QZSS | GPS, GLONASS, GALILEO |
| USB OTG | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| 3.5mm Audio Jack | No | Yes |
| Audio Enhancement | Hi-Res Audio, Hi-Res Wireless Audio, DTS Audio, Dual Speakers tuned by JBL | Top-firing loudspeaker |
| FM Radio | No | Yes |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer |
| Battery | 5000 mAh (Non-removable) 45W Fast Charging (60% in 25 minutes) 20W Wireless Charging |
5000 mAh (Non-removable) 10W charging rate |
| Material | Glass front, Polycarbonate back (IP54 dust & splash resistant) | Glass front and back, Plastic frame |
| Size | 164.3 x 74.8 x 7.9 mm | 168.4 x 76.3 x 8.3 mm |
| Weight | 195 g | 193 g |
| Colors | Rock Black, Moving Titanium, Violet Garden | Midnight Black, Moonlight White, Aurora Green |
| Release Date | November 21, 2024 | July 9, 2025 |
| Price | ₱17,999.00 - Official Price in the Philippines | ₱3,299.00 - Official Price in the Philippines |
| Buy Online |
Infinix ZERO 40 5G on Lazada Infinix ZERO 40 5G on Shopee |
Redmi A3x on Lazada Redmi A3x on Shopee |
