Phone Comparison - Oppo A5 vs Samsung Galaxy M51 vs vivo Y31
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| Price Comparison (India) | - | ||
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| Manufacturer | Oppo | Samsung | vivo |
| Announced | July 2018 | 2020, August 31 | September 2025 |
| Status | Available - July 2018 | Coming soon. Exp. release 2020, September 11 | Available - September 2025 |
| Price | Rs. 11,990 ($0.00) [Similarly Priced] | - | Rs. 14,999 ($0.00) [Similarly Priced] |
| Colors | Blue, Pink | Blue; other colors | Rose Red, Diamond Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
156.2 x 75.6 x 8.2 mm (6.15 x 2.98 x 0.32 in) |
162.6 x 77.5 x 8.5 mm (6.4 x 3.05 x 0.33 in) |
166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in) |
| Weight | 168 g (5.93 oz) | - | 209 g (7.37 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Nano-SIM + Nano-SIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | LTE | 1, 3, 5, 8, 28, 38, 40, 41 |
| 5G Network | - | - | 1, 3, 5, 8, 28, 40, 77, 78 SA/NSA |
| Messaging | |||
| Build Features | - | - Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (side-mounted) IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions |
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| OS | Android 8.1 (Oreo) | Android 10.0 | Android 15 |
| User Interface | ColorOS 5.1 | One UI 2.0 | Funtouch 15 |
| Processor | Octa-core 1.8 GHz Cortex-A53, Qualcomm SDM450 Snapdragon 450 (14 nm) | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) | Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55), Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm) |
| GPU | Adreno 506 | Adreno 618 | Adreno 613 |
| RAM | 4 GB | 6 GB | 6 GB |
| Internal Memory | 64 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 256 GB | microSDXC | microSDXC (uses shared SIM slot) |
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| Type | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 | FHD+ IPS LCD Capacitive Touchscreen Corning Gorilla Glass 3 |
FHD+ IPS LCD Screen 120Hz, 1000 Nits (HBM), Guardian Glass (ion-strengthened) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.2 inches | 6.5 inches | 6.68 inches |
| Resolution | 720 x 1520 pixels (271 ppi) | 1080 x 2340 pixels (396 ppi) | 720 x 1608 pixels (264 ppi) |
| Screen-to-Body Ratio | 81.41% | 82.51% | 83.79% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP + 2 MP | 64 MP + 12 MP + 5 MP + 5 MP | 50 MP |
| Flash | LED Flash | LED Flash | Ring-LED Flash |
| Features | 13 MP, f/2.2, AF 2 MP, f/2.4, depth sensor HDR, Panorama |
64 MP, f/2.0, 26mm (wide), 1/1.72", 0.8µm, PDAF 12 MP, f/2.2, (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.2, (depth) Panorama, HDR |
50 MP, f/1.8, (wide), PDAF Auxiliary lens Panorama |
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps | 1080p@30fps |
| Front Camera |
8 MP, f/2.2 AI Face Beauty, Gender Detection, AR Sticker Face Beauty Video, Camera Filter, HDR [Similar] |
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm HDR 1080p@30fps [Similar] |
8 MP, f/2.0, (wide) 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 400/50 Mbps | HSPA, LTE, 5G |
| Bluetooth | 4.2, A2DP, LE | 5.0, A2DP, LE | 4.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, WiFi 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 |
| USB | microUSB 2.0, USB On-The-Go | 2.0, Type-C 1.0 reversible connector | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 4 GB RAM | 128 GB, 6 GB RAM | 128 GB, 6 GB RAM or 128 GB, 4 GB RAM eMMC 5.1 |
| Expandable Storage | microSD, up to 256 GB | microSDXC | microSDXC (uses shared SIM 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-Ion Battery | Non-removable Li-Po Battery Fast battery charging 25W |
Non-removable Li-ion Battery Fast Battery Charging 44W wired, 50% in 38 min, Reverse wired |
| Capacity | 4230 mAh | 7000 mAh | 6500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 11,990 
