Phone Comparison - Samsung Galaxy A21 vs Xiaomi Redmi 10C vs Tecno Spark 20C
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| Manufacturer | Samsung | Xiaomi | Tecno |
| Announced | 2020, April 8 | March 2022 | November 2023 |
| Status | Coming soon. Exp. release 2020, April | Coming Soon - March 2022 | Coming Soon - December 2023 |
| Colors | Various | Graphite Gray, Ocean Blue, Mint Green | Mystery White, Alpenglow Gold, Magic Skin, Gravity Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
169.6 x 76.6 x 8.3 mm (6.68 x 3.02 x 0.33 in) |
163.7 x 75.6 x 8.6 mm (6.44 x 2.98 x 0.34 in) |
| Weight | - | 190 g (6.7 oz) | - |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | 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 only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | LTE | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 | LTE |
| Messaging | |||
| Build Features | - Fingerprint Sensor Glass front, plastic back, plastic frame |
- Fingerprint Sensor (rear-mounted) |
- Fingerprint Sensor (side-mounted) |
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| OS | Android 10.0 | Android 11 | Android 13 |
| User Interface | One UI 2.0 | MIUI 13 | - |
| Processor | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) | Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver), Qualcomm SM6225 Snapdragon 680 4G (6 nm) | Octa-core 2.2 GHz Cortex-A53, Mediatek |
| GPU | PowerVR GE8320 | Adreno 610 | - |
| RAM | 3 GB | 4 GB | 8 GB |
| Internal Memory | 64 GB | 128 GB | 128 GB |
| External Memory | microSDXC (dedicated slot) | microSDXC (dedicated slot) | microSDXC |
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| Type | HD+ Super AMOLED Capacitive Touchscreen | HD+ IPS LCD Screen Corning Gorilla Glass |
HD+ IPS LCD Screen 90Hz Refresh Rate |
| Colors | 16M colors | 16M Colors | 16M colors |
| Size | 6.5 inches | 6.71 inches | 6.6 inches |
| Resolution | 720 x 1600 pixels (270 ppi) | 720 x 1650 pixels (268 ppi) | 720 x 1612 pixels (267 ppi) |
| Screen-to-Body Ratio | - | 82.14% | 84.87% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP + 8 MP + 2 MP + 2 MP | 50 MP + 2 MP | 50 MP + 0.08 MP |
| Flash | No | LED flash | Dual-LED Flash |
| Features | 16 MP, f/1.9, 28mm (wide), AF 8 MP, f/2.2, 12mm (ultrawide) 2 MP, (macro) 2 MP, (depth) panorama, HDR |
50 MP, f/1.8, 26mm (wide), PDAF 2 MP, f/2.4, (depth) HDR, panorama |
50 MP, (wide), 1/2.8", PDAF 0.08 MP (auxiliary lens) HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera |
13 MP HDR 1080p@30fps [Similar] |
5 MP, f/2.2, (wide) 1080p@30fps [Similar] |
8 MP Dual-LED flash Yes [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A | HSPA, LTE |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | Yes |
| 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 | Yes |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0, USB On-The-Go | USB Type-C, OTG |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 3 GB RAM eMMC 5.1 | 128 GB, 4 GB RAM or 64 GB, 4 GB RAM UFS 2.2 | 128 GB, 8 GB RAM Or 128 GB, 4 GB RAM |
| Expandable Storage | microSDXC (dedicated slot) | microSDXC (dedicated slot) | microSDXC |
| USB OTG | Supported | 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 15W |
Non-removable Li-Po Battery Fast battery Charging 18W |
Non-removable Li-Po Battery Fast battery Charging 18W |
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
