Phone Comparison - Oppo A31 vs Oppo A31 vs Samsung Galaxy A31
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| Manufacturer | Oppo | Oppo | Samsung |
| Announced | April 2015 | February 2020 | 2020, March 24 |
| Status | Available - April 2015 | Available - February 2020 | Coming Soon - April 2020 |
| Price | Rs. 9,999 ($147.04) [Similarly Priced] | Rs. 11,490 ($0.00) [Similarly Priced] | - |
| Colors | White, Blue | Fantasy White, Mystery Black | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
131.9 x 65.5 x 8 mm (5.19 x 2.58 x 0.31 in) |
163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in) |
159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) |
| Weight | 135 g (4.76 oz) | 180 g (6.35 oz) | 185 g (6.53 oz) |
| SIM Type | - | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | TD-SCDMA 1880 / 2010 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 38(2600), 39(1900), 40(2300), 41(2500) | LTE (unspecified) | LTE (unspecified) |
| Messaging | SMS, MMS, Push Mail, EMail | ||
| Build Features | - | - Fingerprint Sensor |
- Fingerprint Sensor (under display, optical) |
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| OS | Android OS, v4.4 (KitKat) | Android 9.0 (Pie) | Android 10.0 |
| User Interface | - | ColorOS 6.1 | One UI 2.0 |
| Processor | Quad-core Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765V/CB Helio P35 (12nm) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) |
| GPU | Adreno 306 | PowerVR GE8320 | Mali-G52 MC2 |
| RAM | 1 GB | 4 GB | 6 GB |
| Internal Memory | 8 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 128 GB | microSDXC (dedicated slot) | microSDXC |
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| Type | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen | Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 6.5 inches | 6.4 inches |
| Resolution | 480 x 854 pixels (218 ppi) | 720 x 1600 pixels (270 ppi) | 1080 x 2400 pixels (411 ppi) |
| Screen-to-Body Ratio | 64.41% | 82.39% | 85.01% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 12 MP + 2 MP + 2 MP | 48 MP + 8 MP + 5 MP + 5 MP |
| Flash | LED flash | LED Flash | LED flash |
| Features | Auto focus, Geo-tagging | 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 |
48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth) panorama, HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 8 MP, f/2.0, HDR, 1080p@30fps [Similar] |
20 MP, f/2.2, 0.8µm HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | TD-SCDMA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A | HSPA, LTE-A |
| Bluetooth | v4.0 | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Yes | 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 | microUSB v2.0 | microUSB 2.0, USB On-The-Go | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| GPS | Yes, with A-GPS | Yes, with A-GPS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | HTML | Yes | Yes |
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| Internal | 8 GB, 1 GB RAM | 128 GB, 4 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) |
| Expandable Storage | microSD, up to 128 GB | microSDXC (dedicated slot) | microSDXC |
| USB OTG | - | Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Non-removable Li-Po Battery | Non-removable Li-Po Battery Fast battery charging 15W |
| Capacity | 2000 mAh | 4230 mAh | 5000 mAh |
| Stand by | Up to 240 h | - | - |
| Talk Time | Up to 7 h | - | - |
