Phone Comparison - Oppo A78 4G vs Samsung Galaxy A15 vs Oppo A3 4G
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| Manufacturer | Oppo | Samsung | Oppo |
| Announced | July 2023 | December 2023 | August 2024 |
| Status | Available - July 2023 | Coming Soon - December 2023 | Available - August 2024 |
| Colors | Mist Black, Aqua Green | Black, Personality Yellow, Fantasy Blue, Optimistic Blue | Sparkle Black, Starry Purple, Starlight White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
160 x 73.2 x 7.9 mm (6.3 x 2.88 x 0.31 in) |
160.1 x 76.8 x 8.4 mm (6.3 x 3.02 x 0.33 in) |
165.8 x 76.1 x 7.7 mm (6.53 x 3 x 0.3 in) |
| Weight | 180 g (6.35 oz) | 200 g (7.05 oz) | 186 g (6.56 oz) |
| SIM Type | 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 | 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 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - version 1 HSDPA 850 / 900 / 2100 - version 2 HSDPA 900 / 2100 - version 3, version 4 |
| 4G Network | LTE | LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 26, 28, 38, 40, 41, 66 - version 1 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - version 2 1, 3, 7, 8, 20, 28, 38, 40, 41 - version 3 1, 3, 5, 8, 40 - version 4 |
| Messaging | |||
| Build Features | - Fingerprint Sensor IP54, dust and splash resistant |
- Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) IP54, dust and splash resistant MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions |
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| OS | Android 13 | Android 14 | Android 14, |
| User Interface | ColorOS 13.1 | One UI 6 | ColorOS 14 |
| Processor | Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver), Qualcomm SM6225 Snapdragon 680 4G (6 nm) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), Mediatek Helio G99 (6nm) | , Qualcomm Snapdragon 6s Gen 1 |
| GPU | Adreno 610 | Mali-G57 MC2 | Adreno 610 |
| RAM | 8 GB | 8 GB | 8 GB |
| Internal Memory | 256 GB | 256 GB | 256 GB |
| External Memory | microSDXC | microSDXC | microSDXC |
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| Type | FHD+ AMOLED Screen 90Hz Refresh Rate 430 Nits, Corning Gorilla Glass 5 |
FHD+ Super AMOLED Screen 90Hz Refresh Rate 800 Nits (HBM) |
FHD+ IPS LCD Screen 90Hz Refresh Rate, 1000 Nits (HBM) Panda Glass Protections |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.43 inches | 6.5 inches | 6.67 inches |
| Resolution | 1080 x 2400 pixels (409 ppi) | 1080 x 2340 pixels (396 ppi) | 720 x 1604 pixels (264 ppi) |
| Screen-to-Body Ratio | 85.35% | 84.56% | 84.73% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Unspecified | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 50 MP + 2 MP | 50 MP + 5 MP + 2 MP | 50 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (depth) HDR, Panorama |
50 MP, f/1.8, (wide), AF 5 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro) Panorama, HDR |
50 MP, f/1.8, (wide), PDAF Auxiliary lens HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30/60fps |
| Front Camera |
8 MP, f/2.0, (wide) 1080p@30fps [Similar] |
13 MP, f/2.0, (wide) 1080p@30fps [Similar] |
5 MP, f/2.2, (wide) Video - 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE | HSPA, LTE | HSPA, LTE |
| Bluetooth | 5.0, A2DP, LE | Yes | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Yes | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0 | USB Type-C 2.0, OTG |
| GPS | GPS, GALILEO, GLONASS, BDS | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Browser | Yes | Yes | Yes |
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| Internal | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM | 256 GB, 8 GB RAM or 256 GB, 6 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM eMMC 5.1 |
| Expandable Storage | microSDXC | microSDXC | microSDXC |
| 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 | Li-Po Non-removable 67W wired, PD, 76% in 30 min |
Non-removable Li-Po Battery Fast battery Charging 25W |
Non-removable Li-Po Battery Fast Battery Charging 45W wired, PD2.0, PPS, 50% in 30 min |
| Capacity | 5000 mAh | 5000 mAh | 5100 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
