Phone Comparison - Samsung Galaxy A21s vs Xiaomi Redmi 9C vs Motorola Moto G31
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| Manufacturer | Samsung | Xiaomi | Motorola |
| Announced | Expected Announcement - May 2020 | Not announced yet | November 2021 |
| Status | Rumored | Rumored | Coming Soon - Q4 2021 |
| Colors | Black, White, Blue | Blue, other colors | Mineral Grey, Baby Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
8.9 mm thickness (0.35 in thickness) |
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161.9 x 73.9 x 8.6 mm (6.37 x 2.91 x 0.34 in) |
| Weight | 191 g (6.74 oz) | - | 181 g (6.38 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE | 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41 |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) Water-repellent design |
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| OS | Android 10.0 | Android 10.0 | Android 11 |
| User Interface | One UI 2.0 | MIUI 12 | - |
| Processor | Octa-core 2.0 GHz, Exynos 850 | , MediaTek Helio G35 | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55), MediaTek Helio G85 (12nm) |
| GPU | - | Mali-G31 | Mali-G52 MC2 |
| RAM | 3 GB | 3 GB | 4 GB |
| Internal Memory | 64 GB | 64 GB | 128 GB |
| External Memory | microSDXC | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) |
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| Type | PLS TFT Capacitive Touchscreen | IPS LCD Capacitive Touchscreen | FHD+ AMOLED Screen |
| Colors | 16M colors | 16M colors | 16M Colors |
| Size | 6.55 inches | 6.53 inches | 6.4 inches |
| Resolution | 720 x 1600 pixels (268 ppi) | 720 x 1600 pixels (269 ppi) | 1080 x 2400 pixels (411 ppi) |
| Screen-to-Body Ratio | - | - | 82.74% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 2 MP | 13 MP + 5 MP + 2 MP | 48 MP + 8 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) Panorama, HDR |
13 MP, f/1.8, (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
48 MP, f/1.8, (wide), 0.64µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera |
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps [Similar] |
5 MP HDR 1080p@30fps [Similar] |
13 MP, f/2.2, (wide), 1.12µm 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-A | HSPA 42.2/5.76 Mbps, LTE Cat7 300/150 Mbps |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | Yes | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0 |
| GPS | Yes, with A-GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM | 64 GB, 3 GB RAM | 128 GB, 4 GB RAM or 64 GB, 4 GB RAM |
| Expandable Storage | microSDXC | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) |
| USB OTG | Supported | Supported | Not 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 Battery Charging 10W |
Non-removable Li-Po Battery | Non-removable Li-Po Battery Battery Charging 10W |
| Capacity | 5000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
