Phone Comparison - Oppo A15 vs Samsung Galaxy S21 Ultra 5G vs vivo Y12s
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| Manufacturer | Oppo | Samsung | vivo |
| Announced | October 2020 | 2021, January 14 | November 2020 |
| Status | Coming Soon - October 2020 | Coming soon. Exp. release 2021, January 29 | Coming Soon - November 2020 |
| Price | Rs. 10,990 ($0.00) [Similarly Priced] | Rs. 105,999 ($0.00) [Similarly Priced] | - |
| Colors | Dynamic Black, Mystery Blue | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown | Glacier Blue, Phantom Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
164 x 75.4 x 7.9 mm (6.46 x 2.97 x 0.31 in) |
165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) |
164.4 x 76.3 x 8.4 mm (6.47 x 3 x 0.33 in) |
| Weight | 175 g (6.17 oz) | 227 g (8.01 oz) | 191 g (6.74 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM and/or eSIM), Hybrid 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) CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 3, 5, 8, 38, 40, 41 | LTE | 1, 3, 5, 7, 8, 38, 40, 41 |
| 5G Network | - | SA/NSA/Sub6/mmWave | - |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (under display, ultrasonic) Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins) Stylus support Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+ |
- Fingerprint Sensor (side-mounted) |
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| OS | Android 10 | Android 11 | Android 10 |
| User Interface | ColorOS 7.2 | One UI 3.0 | Funtouch 11 |
| Processor | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - Global / Qualcomm Snapdragon 875 - USA | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) |
| GPU | PowerVR GE8320 | Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea | PowerVR GE8320 |
| RAM | 3 GB | 16 GB | 4 GB |
| Internal Memory | 32 GB | 512 GB | 32 GB |
| External Memory | microSDXC | microSDXC (uses shared SIM slot) | microSDXC (dedicated slot) |
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| Type | IPS LCD screen | QHD+ Dynamic AMOLED 2X Display 120Hz Refresh Rate HDR10+ 1500 nits (peak) Corning Gorilla Glass Victus Always-on display |
IPS LCD Screen |
| Colors | 16M Colour | 16M Colour | 16M Colour |
| Size | 6.52 inches | 6.8 inches | 6.51 inches |
| Resolution | 720 x 1600 pixels (269 ppi) | 1440 x 3200 pixels (516 ppi) | 720 x 1600 pixels (270 ppi) |
| Screen-to-Body Ratio | 83.06% | 89.46% | 81.28% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio (Snapdragon model only; market/operator dependent) | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP + 2 MP + 2 MP | 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP | 13 MP + 2 MP |
| Flash | LED Flash | LED flash | LED Flash |
| Features | 13 MP, f/2.2, (wide), 1/3.1", 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video auto-HDR, panorama |
13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (depth) Panorama |
| Video | 1080p@30fps | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | 1080p@30fps |
| Front Camera | 5 MP, (wide), HDR [Similar] |
40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF Dual video call, Auto-HDR 4K@30/60fps, 1080p@30fps [Similar] |
8 MP, f/1.8, (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 | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 5.0, A2DP, LE | 5.2, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB 2.0, USB On-The-Go | USB Type-C 3.2, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 32 GB, 3 GB RAM | 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1 | 32 GB, 4 GB RAM or 32 GB, 3 GB RAM |
| Expandable Storage | microSDXC | microSDXC (uses shared SIM slot) | 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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| Barometer Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery Battery Charging 10W |
Non-removable Li-Po Battery Fast battery charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Reverse wireless charging 4.5W |
Non-removable Li-Po Battery Battery Charging 10W Reverse charging 5W |
| Capacity | 4230 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
