This is a side-by-side smartphone specs comparison of the Xiaomi Mi 9 and vivo Y31d.
The Xiaomi Mi 9 has a 6.39-inch display, Qualcomm Snapdragon 855 processor, triple cameras, 4G LTE connectivity, and 3300mAh battery.
Meanwhile, the vivo Y31d has a 6.75-inch display, Qualcomm Snapdragon 6s Gen 2 (6 nm) processor, dual cameras, 4G LTE connectivity, and 7200mAh battery.
| Specs | Xiaomi Mi 9 | vivo Y31d |
|---|---|---|
| Picture |
★★★★★ 3.7/5 stars (31 ratings)
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★★★★★ 3.5/5 stars ( ratings)
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| Screen | 6.39-inch FHD+ Super AMOLED Display (1080 x 2340 Pixels 403 ppi) with Corning Gorilla Glass 6, 19.5:9 Aspect Ratio, Curved Edges, Rounded Corners and Notch | 6.75-inch HD+ IPS LCD Display (720 x 1570 Pixels, 256 ppi) with 120Hz Refresh Rate, 1250nits high brightness mode (HBM), and punch-hole |
| OS | Android 9.0 Pie with MIUI 10 | Android 16 with OriginOS 6 |
| Chipset | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 6s Gen 2 (6 nm) |
| CPU | Octa Core CPU 1x Kryo 485 @ 2.84GHz , 3x Kryo 485 @ 2.42GHz & 4x Kryo 485 @ 1.8GHz |
Octa Core CPU 4x Cortex-A73 @ 2.9GHz & 4x Cortex-A53 @ 1.9GHz |
| GPU | Adreno 640 | Adreno 610 |
| RAM | 6 GB | 6GB or 8GB of RAM |
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| Rear Camera | Triple Cameras: 48MP Main Camera (f/1.75 Aperture, Laser AF & PDAF) 12MP Telephoto Camera (f/2.2 Aperture) 16MP Ultra-wide Camera (f/2.2 Aperture) -Dual LED Flash -A.I. Scene Recognition |
Dual Cameras: 50MP Main Camera (f/2.0 Aperture, Autofocus) 2MP Depth Camera (f/2.4 Aperture) -Ring-LED Flash -Up to 1080p video recording |
| Front Camera |
20 Megapixels (f/2.0 Aperture) with Screen Flash |
8 Megapixels (f/2.05 Aperture) - Up to 1080p video recording |
| Storage | 64GB or 128GB | 128GB or 256GB |
| Expansion | None | None |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac (Dual Band) | Wi-Fi 802.11 b/g/n/ac (dual band) |
| NFC | Yes | No |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 |
| Infrared | Yes | Yes |
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| Position | A-GPS | GPS, GLONASS, GALILEO, BeiDou |
| USB OTG | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| 3.5mm Audio Jack | No | No |
| Audio Enhancement | None | Dual Speakers with up to 400% volume |
| FM Radio | No | No |
| Sensors |
Face Recognition & Fingerprint Sensor Barometer, Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
| Battery | 3300 mAh Li-Po Battery (Non-removable) 27W Fast Charging and 20W Fast Wireless Charging |
7200 mAh Si/C Battery (Non-removable) 44W Charging Rate (50% in 43 minutes) |
| Material | Glass with Aluminum Frame | Glass front, Plastic back (IP68/IP69 dust & water resistance; SGS 5-Star Drop Resistance) |
| Size | 155 x 75 x 7.6 mm | 166.64 x 78.43 x 8.49 mm |
| Weight | 173 g | 216 g |
| Colors | Black, Blue and Violet | Starlight Gray, Feather Gold |
| Release Date | February 20, 2019 | May 9, 2026 |
| Price | ₱22,990.00 - Official price of 64GB version in the Philippines ₱24,990.00 - Official price of 128GB version in the Philippines |
₱15,999.00 - Official price of 6GB+128GB version in the Philippines ₱18,999.00 - Official price of 6GB+256GB version in the Philippines ₱20,999.00 - Official price of 8GB+256GB version in the Philippines |
| Buy Online | Xiaomi Mi 9 on Shopee |
vivo Y31d on Lazada vivo Y31d on Shopee |
