Samsung Galaxy A21s vs Xiaomi Redmi Note 9 4G
General Info
| Manufacturer | |
| Samsung | Xiaomi |
| Announced | |
| Expected Announcement - May 2020 | November 2020 |
| Status | |
| Rumored | Coming Soon - December 2020 |
| Colors | |
| Black, White, Blue | Gray, Green, Blue, Orange |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
|
8.9 mm thickness (0.35 in thickness) |
162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in) |
| Weight | |
| 191 g (6.74 oz) | 198 g (6.98 oz) |
| SIM Type | |
| 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 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 |
| 3G Network | |
| HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | |
| LTE | 1, 3, 5, 8, 34, 38, 39, 40, 41 |
| Messaging | |
| Build Features | |
| - Fingerprint Sensor |
- Fingerprint Sensor |
Display
Hardware and OS
| OS | |
| Android 10.0 | Android 10 |
| User Interface | |
| One UI 2.0 | MIUI 12 |
| Processor | |
| Octa-core 2.0 GHz, Exynos 850 [Similar] | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) [Similar] |
| GPU | |
| - | Adreno 610 [Similar] |
| RAM | |
| 3 GB [Browse Similar] | 8 GB [Browse Similar] |
| Internal Memory | |
| 64 GB | 256 GB |
| External Memory | |
| microSDXC | microSDXC (dedicated slot) |
Camera
| Rear Camera | |
| 48 MP + 8 MP + 2 MP [Similar] | 48 MP + 8 MP + 2 MP [Similar] |
| 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 |
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, (depth) HDR, Panorama |
| Video | |
| 1080p@30fps | 1080p@30fps |
| Front Camera | |
|
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps [Similar] |
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm 1080p@30fps [Similar] |
Multimedia
| 3.5mm Jack | |
| Radio | |
| - | FM radio |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Yes | Yes |
| Edge | |
| Yes | Yes |
| 3G | |
| HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | |
| 5.0, A2DP, LE | 4.2, A2DP |
| 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 |
| USB | |
| Yes | USB Type-C 2.0, USB On-The-Go |
| GPS | |
| Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | |
| Yes | Yes |
User Memory
| Internal | |
| 64 GB, 3 GB RAM or 32 GB, 3 GB RAM | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM |
| Expandable Storage | |
| microSDXC | microSDXC (dedicated slot) |
| USB OTG | |
| Supported | Supported |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| Magnetic-field Sensor (Compass) | |
| Gyroscope Sensor | |
| NFC | |
Battery
| Type | |
| Non-removable Li-Po Battery Battery Charging 10W |
Non-removable Li-Po Battery Fast battery charging 18W Reverse charging 2.5W |
| Capacity | |
| 5000 mAh | 6000 mAh |
| Stand by | |
| - | - |
| Talk Time | |
| - | - |