Phone Comparison - Xiaomi Redmi Note 7 vs Samsung Galaxy A21 vs Samsung Galaxy A21s
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| Price Comparison (India) | - | - | |
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| Manufacturer | Xiaomi | Samsung | Samsung |
| Announced | January 2019 | 2020, April 8 | Expected Announcement - May 2020 |
| Status | Available - January 2019 | Coming soon. Exp. release 2020, April | Rumored |
| Price | Rs. 9,999 ($0.00) [Similarly Priced] | - | - |
| Colors | Blue, Black, Twilight Gold | Various | Black, White, Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in) |
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8.9 mm thickness (0.35 in thickness) |
| Weight | 186 g (6.56 oz) | - | 191 g (6.74 oz) |
| SIM Type | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), 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 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | LTE | LTE |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor Glass front, plastic back, plastic frame |
- Fingerprint Sensor |
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| OS | Android 9.0 (Pie) | Android 10.0 | Android 10.0 |
| User Interface | MIUI 10 | One UI 2.0 | One UI 2.0 |
| Processor | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 (14 nm) | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) | Octa-core 2.0 GHz, Exynos 850 |
| GPU | Adreno 512 | PowerVR GE8320 | - |
| RAM | 4/6 GB | 3 GB | 3 GB |
| Internal Memory | 64 GB | 64 GB | 64 GB |
| External Memory | microSD, up to 256 GB (uses SIM 2 slot) | microSDXC (dedicated slot) | microSDXC |
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| Type | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5 | HD+ Super AMOLED Capacitive Touchscreen | PLS TFT Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.3 inches | 6.5 inches | 6.55 inches |
| Resolution | 1080 x 2340 (409 ppi) | 720 x 1600 pixels (270 ppi) | 720 x 1600 pixels (268 ppi) |
| Screen-to-Body Ratio | 81.41% | - | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio, recording | FM radio | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 5 MP | 16 MP + 8 MP + 2 MP + 2 MP | 48 MP + 8 MP + 2 MP |
| Flash | Dual-LED flash | No | LED Flash |
| Features | 48 MP, f/1.8, 1/2", 0.8µm, PDAF 5 MP, f/2.4, depth sensor HDR, Panorama |
16 MP, f/1.9, 28mm (wide), AF 8 MP, f/2.2, 12mm (ultrawide) 2 MP, (macro) 2 MP, (depth) panorama, HDR |
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 |
| Video | 1080p@30/60/120fps, (gyro-EIS) | 1080p@30fps | 1080p@30fps |
| Front Camera | 13 MP, f/2.2, 1.25µm, HDR, 1080p@30fps [Similar] |
13 MP HDR 1080p@30fps [Similar] |
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | Yes |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 4/6 GB RAM or 32 GB, 3 GB RAM | 64 GB, 3 GB RAM eMMC 5.1 | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 256 GB (uses SIM 2 slot) | microSDXC (dedicated slot) | microSDXC |
| USB OTG | Yes | 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 | Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Battery Charging 10W |
| Capacity | 4000 mAh | 4000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 9,999 
