Phone Comparison - Samsung Galaxy A21s vs Samsung Galaxy M12 vs Samsung Galaxy M33
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | Expected Announcement - May 2020 | 2021, February 05 | March 2022 |
| Status | Rumored | Coming soon. Exp. release 2021, February | Coming Soon - March 2022 |
| Colors | Black, White, Blue | Gray, Blue, Green | Green, Blue, Brown |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
8.9 mm thickness (0.35 in thickness) |
163.9 x 75.9 x 8.9 mm (6.45 x 2.99 x 0.35 in) |
165.4 x 76.9 x 9.4 mm (6.51 x 3.03 x 0.37 in) |
| Weight | 191 g (6.74 oz) | 221 g (7.8 oz) | 215 g (7.58 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), 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 only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66 | LTE |
| 5G Network | - | - | SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (side-mounted) ) |
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| OS | Android 10.0 | Android 10 | Android 12 |
| User Interface | One UI 2.0 | One UI 2.5 | One UI 4.1 |
| Processor | Octa-core 2.0 GHz, Exynos 850 | Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55), Exynos 850 (8nm) | Octa-Core (2x2.4GHz & 6x2GHz), Exynos 1280 |
| GPU | - | Mali-G52 | Mali-G68 |
| RAM | 3 GB | 6 GB | 8 GB |
| Internal Memory | 64 GB | 128 GB | 128 GB |
| External Memory | microSDXC | microSDXC (dedicated slot) | microSDXC |
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| Type | PLS TFT Capacitive Touchscreen | PLS IPS Display | FHD+ TFT LCD Screen 120Hz Refresh Rate |
| Colors | 16M colors | 16M Colour | 16M Colors |
| Size | 6.55 inches | 6.5 inches | 6.6 inches |
| Resolution | 720 x 1600 pixels (268 ppi) | 720 x 1600 pixels (270 ppi) | 1080 x 2408 pixels (400 ppi) |
| Screen-to-Body Ratio | - | 81.95% | 82.45% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 2 MP | 48 MP + 5 MP + 2 MP + 2 MP | 50 MP + 8 MP + 2 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 |
48 MP, f/2.0, (wide), PDAF 5 MP, f/2.2, 123˚ (ultrawide), 1/5.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) panorama, HDR |
50 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, (ultrawide), 1/4", 1.12µm 2 MP, f/2.4, (depth) 2 MP, f/2.4, (macro) panorama, 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] |
8 MP, f/2.2, (Wide) HDR 1080p@30fps [Similar] |
8 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-A | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Yes |
| USB | Yes | USB Type-C 2.0 | USB Type-C 2.0 |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM or 32 GB, 3 GB RAM (eMMC 5.1) | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM |
| Expandable Storage | microSDXC | microSDXC (dedicated slot) | microSDXC |
| 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 Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery Charging 25W |
| Capacity | 5000 mAh | 6000 mAh | 6000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
