Phone Comparison - Samsung Galaxy A90 5G vs Samsung Galaxy A91 vs Oppo A31
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| Manufacturer | Samsung | Samsung | Oppo |
| Announced | Not announced yet | Not announced yet | February 2020 |
| Status | Rumored | Rumored | Available - February 2020 |
| Price | - | - | Rs. 11,490 ($0.00) [Similarly Priced] |
| Colors | Angel Gold, Ghost White, Phantom Black | White, Black | Fantasy White, Mystery Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
165.2 x 76.5 x 9.3 mm (6.5 x 3.01 x 0.37 in) |
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163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in) |
| Weight | 220 g (7.76 oz) | - | 180 g (6.35 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 model 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 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) | LTE (unspecified) | LTE (unspecified) |
| Messaging | |||
| Build Features | - Fingerprint Sensor (In-display) |
- Fingerprint Sensor(In-display) |
- Fingerprint Sensor |
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| OS | Android 9.0 (Pie) | Android 10 | Android 9.0 (Pie) |
| User Interface | One UI | One UI | ColorOS 6.1 |
| Processor | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.80 GHz Kryo 485), Qualcomm SDM855 Snapdragon 855 (7 nm) | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485), Qualcomm SDM855 Snapdragon 855 (7 nm) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765V/CB Helio P35 (12nm) |
| GPU | Adreno 640 | Adreno 640 | PowerVR GE8320 |
| RAM | 8 GB | 8 GB | 4 GB |
| Internal Memory | 128 GB | 128 GB | 128 GB |
| External Memory | No | microSD, up to 512 GB | microSDXC (dedicated slot) |
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| Type | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 | Super AMOLED Capacitive Touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.7 inches | 6.7 inches | 6.5 inches |
| Resolution | 1080 x 2400 pixels (393 ppi) | 1080 x 2400 pixels (393 ppi) | 720 x 1600 pixels (270 ppi) |
| Screen-to-Body Ratio | 85.67% | - | 82.39% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 5 MP | 48 MP + 12 MP + 5 MP | 12 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 48 MP, f/2.0, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1.12µm 5 MP TOF 3D camera, f/1.2, 30mm Panorama, HDR |
48 MP, f/2.0, 26mm (wide), 1/2", 0.8µm, PDAF, OIS 12 MP, f/2.2, 12mm (ultrawide), 1.12µm 5 MP, f/2.2, depth sensor Panorama, HDR |
12 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, 27mm (macro), 1/5.0", 1.75µm 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 2160p@30fps, 1080p@30/60fps (gyro-EIS), 720p@960fps | 2160p@30fps, 1080p@30/60fps (gyro-EIS), 720p@960fps | 1080p@30fps |
| Front Camera | Motorized pop-up rotating main camera module, LED flash, HDR, 2160p@30fps, 1080p@30/60fps (gyro-EIS) [Similar] | 32 MP, f/2.2, 25mm (wide), 0.8µm, HDR, 1080p@30fps [Similar] | 8 MP, f/2.0, HDR, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | |
| Edge | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A 5G SA / NSA / Sub6 / mmWave |
HSPA 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.0, A2DP, LE |
| 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 | 2.0, Type-C 1.0 reversible connector | microUSB 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 8 GB RAM | 128 GB, 8 GB RAM | 128 GB, 4 GB RAM |
| Expandable Storage | No | microSD, up to 512 GB | microSDXC (dedicated slot) |
| 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 25W |
Non-removable Li-Po Battery Fast battery charging 45W |
Non-removable Li-Po Battery |
| Capacity | 4400 mAh | 4500 mAh | 4230 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
