Phone Comparison - Samsung Galaxy A21 vs Samsung Galaxy A21s vs Oppo A74
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| Manufacturer | Samsung | Samsung | Oppo |
| Announced | 2020, April 8 | Expected Announcement - May 2020 | 2021, April 01 |
| Status | Coming soon. Exp. release 2020, April | Rumored | Coming soon. Exp. release 2021, April |
| Colors | Various | Black, White, Blue | Prism Black, Midnight Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
8.9 mm thickness (0.35 in thickness) |
160.3 x 73.8 x 8 mm (6.31 x 2.91 x 0.31 in) |
| Weight | - | 191 g (6.74 oz) | 175 g (6.17 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 only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | 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 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE | LTE | LTE 1, 3, 5, 8, 38, 40, 41 |
| Messaging | |||
| Build Features | - Fingerprint Sensor Glass front, plastic back, plastic frame |
- Fingerprint Sensor |
- Fingerprint Sensor (under display, optical) |
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| OS | Android 10.0 | Android 10.0 | Android 11 |
| User Interface | One UI 2.0 | One UI 2.0 | ColorOS 11.1 |
| Processor | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) | Octa-core 2.0 GHz, Exynos 850 | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) |
| GPU | PowerVR GE8320 | - | Adreno 610 |
| RAM | 3 GB | 3 GB | 6 GB |
| Internal Memory | 64 GB | 64 GB | 128 GB |
| External Memory | microSDXC (dedicated slot) | microSDXC | microSDXC |
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| Type | HD+ Super AMOLED Capacitive Touchscreen | PLS TFT Capacitive Touchscreen | FHD+ AMOLED Screen 430 nits (typ), 800 nits (peak) |
| Colors | 16M colors | 16M colors | 16M Colour |
| Size | 6.5 inches | 6.55 inches | 6.43 inches |
| Resolution | 720 x 1600 pixels (270 ppi) | 720 x 1600 pixels (268 ppi) | 1080 x 2400 pixels (409 ppi) |
| Screen-to-Body Ratio | - | - | 84.50% |
| 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 | 16 MP + 8 MP + 2 MP + 2 MP | 48 MP + 8 MP + 2 MP | 48 MP + 2 MP + 2 MP |
| Flash | No | LED Flash | 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 |
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 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera |
13 MP HDR 1080p@30fps [Similar] |
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps [Similar] |
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm HDR 1080p@30fps [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 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.0, A2DP, LE, aptX |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | 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 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | Yes | USB Type-C, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 3 GB RAM eMMC 5.1 | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM | 128 GB, 6 GB RAM (UFS 2.1) |
| Expandable Storage | microSDXC (dedicated slot) | microSDXC | 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 Battery Charging 10W |
Non-removable Li-Po Battery Fast battery charging 33W, 54% in 30 min (advertised) SuperVOOC 2.0 |
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
