Phone Comparison - Samsung Galaxy A42 5G vs Xiaomi Redmi Note 9T 5G vs Oppo A94 5G
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| Manufacturer | Samsung | Xiaomi | Oppo |
| Announced | 2020, September 02 | Expected Announcement - January 2020 | 2021, April 16 |
| Status | Available. Released 2020, November 11 | Rumored - January 2021 | Coming soon. Exp. release 2021, May 03 |
| Colors | Prism Dot Black, Prism Dot White, Prism Dot Gray | Gray, Green, Violet | Fluid Black, Space Silver, Cosmo Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
164.4 x 75.9 x 8.6 mm (6.47 x 2.99 x 0.34 in) |
162 x 77.3 x 9.2 mm (6.38 x 3.04 x 0.36 in) |
160.1 x 73.4 x 7.8 mm (6.3 x 2.89 x 0.31 in) |
| Weight | 193 g (6.81 oz) | 199 g (7.02 oz) | 173 g (6.1 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 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41 - Europe 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 34, 38, 39, 40, 41 |
LTE | LTE 1, 3, 5, 7, 8, 38, 40, 41 |
| 5G Network | 1, 3, 5, 7, 8, 28, 40, 41, 78 SA/NSA/Sub6 - Europe 1, 3, 5, 7, 8, 28, 40, 41, 78, 79 SA/NSA/Sub6 |
SA/NSA/Sub6 | 1, 41, 77, 78 SA/NSA |
| Messaging | |||
| Build Features | - Fingerprint Sensor (under display, optical) |
- Fingerprint Sensor Water-repellent coating |
- Fingerprint Sensor (under display, optical) |
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| OS | Android 10, upgradable to Android 11, One UI 3.1 | Android 10 | Android 11 |
| User Interface | One UI 2.1 | MIUI 12 | ColorOS 11.1 |
| Processor | Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570), Qualcomm SM7225 Snapdragon 750 5G (8 nm) | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek Dimensity 800U 5G (7 nm) | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek MT6853 Dimensity 800U 5G (7 nm) |
| GPU | Adreno 619 | Mali-G57 MC3 | Mali-G57 MC3 |
| RAM | 8 GB | 4 GB | 8 GB |
| Internal Memory | 128 GB | 128 GB | 128 GB |
| External Memory | microSDXC | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
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| Type | HD+ Super AMOLED capacitive touchscreen | IPS LCD Screen 90Hz Refresh Rate Corning Gorilla Glass 5 450 nits (typ) |
FHD+ Super AMOLED Screen 430 nits (typ), 800 nits (peak) Corning Gorilla Glass 5 |
| Colors | 16M Colour | 16M Colour | 16M Colour |
| Size | 6.6 inches | 6.53 inches | 6.43 inches |
| Resolution | 720 x 1600 pixels (266 ppi) | 1080 x 2340 pixels (395 ppi) | 1080 x 2400 pixels (409 ppi) |
| Screen-to-Body Ratio | 84.18% | 83.45% | 85.07% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Unspecified | Unspecified | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 5 MP + 5 MP | 48 MP + 8 MP + 2 MP | 48 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/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (depth) 5 MP, f/2.4, (macro) Panorama, HDR |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) HDR, Panorama |
48 MP, f/1.7, 25mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama |
| Video | 4K@30fps, 1080p@30fps, 720p@480fps | 4K@30fps, 1080p@30/60fps | 4K@30fps, 1080p@30/120fps; gyro-EIS, HDR |
| Front Camera |
20 MP, f/2.2, 0.8µm HDR 1080p@30fps [Similar] |
13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm, , 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-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.1, A2DP, LE | 5.1, A2DP, LE, aptX HD |
| Wi-Fi | 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, 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 Type-C 2.0 | USB Type-C, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, 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 | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM UFS 2.1 | 128 GB, 4 GB RAM or 64 GB, 4 GB RAM | 128 GB, 8 GB RAM (UFS 2.1) |
| Expandable Storage | microSDXC | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| USB OTG | Supported | Not 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 30W Quick Charge Power Delivery |
| Capacity | 5000 mAh | 5000 mAh | 4310 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
