Phone Comparison - Samsung Galaxy A20s vs Oppo A55 vs Xiaomi Redmi Note 11
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| Manufacturer | Samsung | Oppo | Xiaomi |
| Announced | September 2019 | October 2021 | October 2021 |
| Status | Coming Soon - October 2019 | Available - October 2021 | Coming Soon - November 2021 |
| Price | Rs. 11,999 ($0.00) [Similarly Priced] | Rs. 15,490 ($0.00) [Similarly Priced] | - |
| Colors | Green, Black, Red | Rainbow Blue, Starry Black, Green | Mysterious Black, Milky Way Blue, Mint Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
163.3 x 77.5 x 8 mm (6.43 x 3.05 x 0.31 in) |
163.6 x 75.7 x 8.4 mm (6.44 x 2.98 x 0.33 in) |
8.8 mm thickness (0.35 in thickness) |
| Weight | 183 g (6.46 oz) | 193 g (6.81 oz) | 195 g (6.88 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 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) | 1, 3, 5, 8, 38, 40, 41 | LTE (unspecified) |
| 5G Network | - | - | SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) Splash-proof |
- Fingerprint Sensor (side-mounted) IP53, dust and splash protection |
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| OS | Android 9.0 (Pie) | Android 11 | Android 11 |
| User Interface | One UI | ColorOS 11.1 | MIUI 12.5 |
| Processor | Octa-core 1.8 GHz Cortex-A53, Qualcomm SDM450 Snapdragon 450 (14 nm) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), MediaTek Helio G35 (12 nm) | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek Dimensity 810 5G (6 nm) |
| GPU | Adreno 506 | PowerVR GE8320 | Mali-G57 MC2 |
| RAM | 4 GB | 6 GB | 8 GB |
| Internal Memory | 64 GB | 128 GB | 256 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) | Unspecified |
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| Type | HD+ IPS LCD Capacitive Touchscreen | HD+ IPS LCD Screen 480 nits (typ), 550 nits (peak) NEG T2X-1 Protection |
FHD+ IPS LCD Screen 90Hz Refresh Rate |
| Colors | 16M colors | 16M Colors | 16M Colors |
| Size | 6.4 inches | 6.51 inches | 6.6 inches |
| Resolution | 720 x 1560 pixels (268 ppi) | 720 x 1600 pixels (270 ppi) | 1080 x 2400 pixels (399 ppi) |
| Screen-to-Body Ratio | 79.72% | 82.32% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP + 8 MP + 5 MP | 50 MP + 2 MP + 2 MP | 50 MP + 8 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 13 MP, f/1.8, PDAF 8 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor Panorama, HDR |
50 MP, f/1.8 26mm (wide), PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
50 MP, 26mm (wide), PDAF 8 MP, (ultrawide) HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | Unspecified |
| Front Camera | 8 MP, f/2.0, 1/4", 1.12µm, 1080p@30fps [Similar] |
16 MP, f/2.0, 26mm (wide) HDR 1080p@30fps [Similar] |
16 MP 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE, aptX | 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 | microUSB 2.0 | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 4 GB RAM or 32 GB, 3 GB RAM | 128 GB, 6 GB RAM Or 64 GB, 4 GB RAM | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) | Unspecified |
| 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 33W, 100% in 62 min (advertised) |
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
