Phone Comparison - Samsung Galaxy A21s vs Oppo A2 vs Oppo Reno11 (China)
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| Manufacturer | Samsung | Oppo | Oppo |
| Announced | Expected Announcement - May 2020 | November 2023 | November 2023 |
| Status | Rumored | Coming Soon - November 2023 | Coming Soon - November 2023 |
| Colors | Black, White, Blue | Mystery Black, Glowing Green, Violet | Black, Green, Silver |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
8.9 mm thickness (0.35 in thickness) |
165.6 x 76 x 8 mm (6.52 x 2.99 x 0.31 in) |
162.4 x 74.1 x 7.6 mm (6.39 x 2.92 x 0.3 in) |
| Weight | 191 g (6.74 oz) | 193 g (6.81 oz) | 184 g (6.49 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 model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 1700(AWS) / 2100 |
| 4G Network | LTE | 1, 3, 5, 8, 28, 34, 38, 39, 40, 41 | 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 |
| 5G Network | - | 1, 5, 8, 28, 41, 77, 78 SA/NSA | 1, 5, 8, 28, 41, 77, 78 SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) IP54, dust and splash resistant |
- Fingerprint Sensor (under display, optical) |
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| OS | Android 10.0 | Android 13 | Android 14 |
| User Interface | One UI 2.0 | ColorOS 13.1 | ColorOS 14 |
| Processor | Octa-core 2.0 GHz, Exynos 850 | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), Mediatek Dimensity 6020 (7 nm) | Octa-core (1x3.1 GHz Cortex-A78 & 3x3.0 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), Mediatek MT6896 Dimensity 8200 (4 nm) |
| GPU | - | Mali-G57 MC2 | Mali-G610 MC6 |
| RAM | 3 GB | 12 GB | 12 GB |
| Internal Memory | 64 GB | 512 GB | 512 GB |
| External Memory | microSDXC | microSDXC | No |
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| Type | PLS TFT Capacitive Touchscreen | FHD+ IPS LCD Screen 90Hz Refresh Rate 680 Nits (peak), Panda Glass |
FHD+ OLED Screen 120Hz Refresh Rate HDR10+ , 800 Nits (HBM), 950 Nits (peak) |
| Colors | 16M colors | 16M colors | 1B colors |
| Size | 6.55 inches | 6.72 inches | 6.7 inches |
| Resolution | 720 x 1600 pixels (268 ppi) | 1080 x 2400 pixels (392 ppi) | 1080 x 2412 pixels (394 ppi) |
| Screen-to-Body Ratio | - | 86.47% | 89.96% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | No | No |
| 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 + 32 MP + 8 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), PDAF 2 MP, f/2.4, (depth) HDR, Panorama |
50 MP, f/1.8, 26mm (wide), 1/1.95", PDAF, OIS 32 MP, f/2.0, 47mm (telephoto), 1/2.74", 0.8µm, PDAF, 2x optical zoom 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 4K@30fps, 1080p@30/60/120fps, gyro-EIS |
| Front Camera |
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps [Similar] |
8 MP, f/2.0, (wide) HDR 1080p@30fps [Similar] |
32 MP, f/2.4, 22mm (wide), 1/2.74", 0.8µm, AF Panorama, HDR 4K@30fps, 1080p@30fps, gyro-EIS [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A | HSPA, LTE-A, 5G | HSPA, LTE-A (CA), 5G |
| Bluetooth | 5.0, A2DP, LE | 5.3, A2DP, LE, aptX HD | 5.4, A2DP, LE, aptX HD |
| 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 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| USB | Yes | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM | 512 GB, 12 GB RAM or 256 GB, 12 GB RAM UFS 2.2 | 512 GB, 12 GB RAM or 256 GB, 12 GB RAM or 256 GB, 8 GB RAM UFS 3.1 |
| Expandable Storage | microSDXC | microSDXC | No |
| 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 Battery Charging 10W |
Non-removable Li-Po Battery Fast battery Charging 33W, 51% in 30 min |
Non-removable Li-Po Battery Fast battery Charging 67W wired, PD, QC3, 1-50% in 19 min (advertised) Reverse wired |
| Capacity | 5000 mAh | 5000 mAh | 4800 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
