Vivo Y31 |
Xiaomi Redmi 9T |
| Vivo Y31 | Xiaomi Redmi 9T |
| Launch | |
|---|---|
| Release Date | |
| Sep, 2025 | Jan, 2021 |
| Status | |
| Available | Available |
| Body & Operating System | |
| Operating system | |
| Android 15 | Android 10 |
| UI | |
| Funtouch 15 | MIUI 12 |
| Dimensions | |
| 166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in) | 162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in) |
| Weight | |
| 209 g | 198 g |
| Body | |
| NA IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) |
Glass front (Gorilla Glass 3), plastic frame, plastic back Water-repellent coating |
| Color Options | |
| Rose Red, Diamond Green | Carbon Gray, Twilight Blue, Sunrise Orange, Ocean Green |
| Display Specifications | |
| Technology | |
| IPS LCD | IPS LCD capacitive touchscreen, 16M colors |
| Size | |
| 6.68 inches inches More devices with a similar display. > |
6.53 inches More devices with a similar display. > |
| Resolution | |
| High Definition (HD) - 720 x 1608 pixels, 20:9 ratio (~264 ppi density) | Full HD (FHD) - 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
| Protection | |
| Guardian Glass (ion-strengthened) | Corning Gorilla Glass 3 |
| Features | |
| 120Hz Refresh Rate, 1000 nits (HBM) | 400 nits (typ) |
| Battery & Charging | |
| Capacity | |
| Non-removable Li-Ion, 6500 mAh More devices with similar battery. > |
Non-removable Li-Po ,6000 mAh More devices with similar battery. > |
| Charging | |
| Fast Charging 44W, 50% in 38 min Reverse wired charging |
Fast charging 18W Reverse charging 2.5W |
| Processing Power | |
| CPU | |
| Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55) | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| Chipset | |
| Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm) | Qualcomm SM6115 Snapdragon 662 (11 nm) |
| GPU | |
| Adreno 613 | Adreno 610 |
| Memory & Storage | |
| Ram | |
| 4/6GB RAM | 4/6GB RAM |
| Storage Memory | |
| 128GB Built-in | 64/128GB Built-in |
| Memory Card | |
| microSDXC (uses shared SIM slot) | microSD, up to 256GB (dedicated slot) |
| Cameras | |
| Rear/Back | |
| 50 MP, f/1.8, (wide), PDAF Auxiliary lens |
Quad 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120° (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) |
| Features | |
|
Ring-LED flash, panorama Video 1080p@30fps |
LED flash, HDR, panorama Video 1080p@30fps |
| Front | |
| 8 MP, f/2.0, (wide) | 8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm Video 1080p@30fps |
| Features | |
| Video 1080p@30fps | NA |
| Network | |
| SIM | |
| Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Data | |
| GSM / HSPA / LTE / 5G | GSM / HSPA / LTE |
| 2G Bands | |
|
SIM 1: GSM 850 / 900 / 1800 / 1900 SIM 2: GSM 850 / 900 / 1800 / 1900 |
SIM 1: GSM 850 / 900 / 1800 / 1900 SIM 2: GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | |
| HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Bands | |
| LTE bands 1, 3, 5, 8, 28, ... | LTE band 1(2100), 2(1900),... |
| 5G Bands | |
| 1, 3, 5, 8, 28, 40, 77, 78 SA/NSA | NO |
| Connectivity | |
| WLAN (WIFI) | |
| Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | |
| 4.2, A2DP, LE | 5.0, A2DP, LE |
| GPS | |
| GPS, GLONASS, GALILEO, BDS, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| USB | |
| USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| NFC | |
| No | Yes |
| Additional Features | |
| Sensors | |
| Fingerprint (side-mounted), accelerometer, proximity, compass Circle to Search |
Fingerprint (side-mounted), accelerometer, proximity, compass |
| Extra | |
| FM radio | FM radio, Infrared port |
| Pricing | |
| Price | |
| US$ 176 | USD $177 |
| Resale Value | |
| High | High |
| Comparison Result | |
| Score | |
| 6 Point(s) | 5 Point(s) |
| Save Comparison | |