Phone Comparison - Xiaomi Mi 9T vs Samsung Galaxy A12 vs vivo Y31
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| Manufacturer | Xiaomi | Samsung | vivo |
| Announced | June 2019 | 2020, November 24 | January 2021 |
| Status | Coming Soon - June 2019 | Coming Soon - January 2021 | Available - January 2021 |
| Price | - | Rs. 12,999 ($0.00) [Similarly Priced] | - |
| Colors | Carbon black, Red flame, Glacier blue | Black, White, Blue, Red | Racing Black, Ocean Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in) |
164 x 75.8 x 8.9 mm (6.46 x 2.98 x 0.35 in) |
163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in) |
| Weight | 191 g (6.74 oz) | 205 g (7.23 oz) | 188 g (6.63 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) | LTE (unspecified) | 1, 3, 5, 8, 38, 40, 41 |
| Messaging | |||
| Build Features | - Fingerprint Sensor(In-display) |
- Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (side-mounted) |
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| OS | Android 9.0 (Pie) | Android 10 | Android 11 |
| User Interface | MIUI 10 | - | Funtouch 11 |
| Processor | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) | Octa-core (2.3 GHz, 1.8 GHz) | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) |
| GPU | Adreno 618 | - | Adreno 610 |
| RAM | 6 GB | 4 GB | 6 GB |
| Internal Memory | 64/128 GB | 128 GB | 128 GB |
| External Memory | No | microSDXC | microSDXC (dedicated slot) |
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| Type | AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 | HD+ TFT display | FHD+ IPS LCD Screen |
| Colors | 16M colors | 16M Colour | 16M Colour |
| Size | 6.39 inches | 6.5 inches | 6.58 inches |
| Resolution | 1080 x 2340 pixels (403 ppi) | 720 x 1560 pixels (264 ppi) | 1080 x 2408 pixels (401 ppi) |
| Screen-to-Body Ratio | 86.23% | 83.64% | 84.54% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Yes | Unspecified | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 13 MP | 48 MP + 5 MP + 2 MP + 2 MP | 48 MP + 2 MP + 2 MP |
| Flash | Dual-LED Flash | LED flash | LED Flash |
| Features | 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.4, 53mm (telephoto), 1/4", 1.12µm, PDAF, 2x optical zoom 13 MP, f/2.4, 12mm (ultrawide), 1/3", 1.12µm HDR, Panorama |
48 MP, f/2.0, (wide), AF 5 MP, f/2.2, 115˚ (ultrawide) 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) panorama, HDR |
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 2160p@30fps, 1080p@30/120/240fps, 1080p@960fps | 1080p@30fps | 4K@30fps, 1080p@30fps, gyro-EIS |
| Front Camera | Motorized pop-up 20 MP, f/2.2, 0.8µm, HDR, 1080p@30fps [Similar] |
8 MP, f/2.2 1080p@30fps [Similar] |
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 5.0, A2DP, LE, aptX HD | Yes | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Yes | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0 | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 64/128 GB, 6 GB RAM | 128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 64 GB, 3 GB RAM or 32 GB, 3 GB RAM | 128 GB, 6 GB RAM |
| Expandable Storage | No | microSDXC | microSDXC (dedicated slot) |
| USB OTG | Supported | Not Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery charging 18W |
Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery charging 18W |
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
