Phone Comparison - Oppo A77 (Mediatek) vs vivo Y33s vs Xiaomi Redmi 15C
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| Price Comparison (India) | - | - | |
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| Manufacturer | Oppo | vivo | Xiaomi |
| Announced | May 2017 | August 2021 | Not announced yet |
| Status | Available - May 2017 | Available - August 2021 | Rumored |
| Price | Rs. 23,580 ($363.00) [Similarly Priced] | Rs. 17,990 ($0.00) [Similarly Priced] | - |
| Colors | Gold, Rose Gold | Mirror Black, Midday Dream | Blue, Violet, Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
153.29 x 75.24 x 7.3 mm (6.04 x 2.96 x 0.29 in) |
164.3 x 76.1 x 8 mm (6.47 x 3 x 0.31 in) |
171.6 x 79.5 x 8 mm (6.76 x 3.13 x 0.31 in) |
| Weight | 153 g (5.4 oz) | 182 g (6.42 oz) | 205 g (7.23 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 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE | 1, 3, 5, 8, 38, 40, 41 | LTE |
| 5G Network | - | - | SA/NSA |
| Messaging | SMS, MMS, Push Mail, EMail | ||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (side-mounted) IP64 dust tight and water resistant (water splashes) |
| Notification LED | Yes | - | - |
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| OS | Android OS, v6.0 (Marshmallow) | Android 11 | Android 15 |
| User Interface | - | Funtouch 11.1 | HyperOS 2 |
| Processor | Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53), MediaTek MT6750T | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55), Mediatek Helio G80 (12 nm) | - |
| GPU | Mali-T880 MP2 | Mali-G52 MC2 | - |
| RAM | 4 GB | 8 GB | 4 GB |
| Internal Memory | 64 GB | 128 GB | 256 GB |
| External Memory | microSD, up to 256 GB (uses SIM 2 slot) | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
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| Type | IPS LCD Capacitive Touchscreen | FHD+ IPS LCD Screen | FHD+ IPS LCD Screen 120Hz, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M Colour | 16M colors |
| Size | 5.5 inches | 6.58 inches | 6.9 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 1080 x 2408 pixels (401 ppi) | 720 x 1600 pixels (254 ppi) |
| Screen-to-Body Ratio | 72.13% | 83.45% | 84.44% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP | 50 MP + 2 MP + 2 MP | 50 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) |
50 MP, f/1.8, 28mm (wide), 1/2.76", 0.64µm, PDAF QVGA, f/3.0 HDR |
| Video | 1080p@30fps | 4K@30fps (unconfirmed), 1080p@30fps; gyro-EIS | 1080p@30fps |
| Front Camera | 16 MP, f/2.0 [Similar] |
16 MP, f/2.0, (wide) 1080p@30fps [Similar] |
8 MP, f/2.0, (wide), 1/4.0", 1.12µm HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE, VoLTE | HSPA 42.2/5.76 Mbps, LTE | HSPA, LTE, 5G |
| Bluetooth | 4.2, A2DP | 5.0, A2DP, LE | 5.4, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, 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 Type-C 2.0, USB On-The-Go | USB Type-C 2.0, OTG |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 64 GB, 4 GB RAM | 128 GB, 8 GB RAM | 256 GB, 4 GB RAM or 128 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 256 GB (uses SIM 2 slot) | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| USB OTG | Not 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 18W Reverse charging 2.5W |
Non-removable Li-ion Battery Fast Battery Charging 33W wired, PD |
| Capacity | 3200 mAh | 5000 mAh | 6000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 17,990 
