Phone Comparison - Samsung Galaxy A21s vs Samsung Galaxy A04 vs Xiaomi Redmi 12C
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| Manufacturer | Samsung | Samsung | Xiaomi |
| Announced | Expected Announcement - May 2020 | August 2022 | December 2022 |
| Status | Rumored | Available - December 2022 | Available - January 2023 |
| Price | - | - | Rs. 8,999 ($0.00) [Similarly Priced] |
| Colors | Black, White, Blue | Black, Green, White, Copper | Black, Blue, Mint, Violet |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
8.9 mm thickness (0.35 in thickness) |
164.4 x 76.3 x 9.1 mm (6.47 x 3 x 0.36 in) |
168.8 x 76.4 x 8.8 mm (6.65 x 3.01 x 0.35 in) |
| Weight | 191 g (6.74 oz) | 192 g (6.77 oz) | 192 g (6.77 oz) |
| SIM Type | Single SIM (Nano-SIM), 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 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE | LTE | 1, 3, 5, 8, 34, 38, 39, 40, 41 |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- | - Fingerprint Sensor (rear-mounted) |
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| OS | Android 10.0 | Android 12 | Android 12 |
| User Interface | One UI 2.0 | One UI Core 4.1 | MIUI 13 |
| Processor | Octa-core 2.0 GHz, Exynos 850 | Octa-core, MediaTek Helio P35 | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55), MediaTek MT6769Z Helio G85 (12nm) |
| GPU | - | IMG PowerVR GE8320 | Mali-G52 MC2 |
| RAM | 3 GB | 32GB 4GB | 6 GB |
| Internal Memory | 64 GB | N/A | 128 GB |
| External Memory | microSDXC | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
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| Type | PLS TFT Capacitive Touchscreen | HD+ PLS LCD Screen | FHD+ IPS LCD Screen 500 nits (typ) |
| Colors | 16M colors | 16M Colors | 16M Colors |
| Size | 6.55 inches | 6.5 inches | 6.71 inches |
| Resolution | 720 x 1600 pixels (268 ppi) | 720 x 1600 pixels (270 ppi) | 720 x 1650 pixels (268 ppi) |
| Screen-to-Body Ratio | - | 81.28% | 82.75% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | Unspecified | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 2 MP | 50 MP + 2 MP | 50 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 |
50 MP, f/1.8, (wide), AF 2 MP, f/2.4, (depth) |
50 MP, (wide), PDAF 2 MP (depth) HDR |
| 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, f/2.2 [Similar] |
5 MP, f/2.2, (wide) 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, LTE |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.1, 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 |
| USB | Yes | microUSB 2.0 | microUSB 2.0 |
| GPS | Yes, with A-GPS | Yes, with A-GPS | GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM | 32GB 4GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 8GB RAM | 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM eMMC 5.1 |
| Expandable Storage | microSDXC | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| USB OTG | Supported | Not 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 | - | - | - |
