Phone Comparison - vivo Y21a vs Oppo A77
vivo Y21a.jpg)
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Oppo A77.jpg)
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| Manufacturer | vivo | Oppo |
| Announced | January 2022 | June 2022 |
| Status | Coming Soon - January 2022 | Coming Soon - June 2022 |
| Colors | Midnight Blue, Diamond Glow | Ocean Blue, Midnight Black |
| Form Factor | Candybar | Candybar |
| Dimension |
164.3 x 76.1 x 8 mm (6.47 x 3 x 0.31 in) |
163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in) |
| Weight | 182 g (6.42 oz) | 190 g (6.7 oz) |
| SIM Type | 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 |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | 1, 3, 5, 8, 38, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 |
| 5G Network | - | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA |
| Messaging | ||
| Build Features | - Fingerprint Sensor (side-mounted) ) |
- Fingerprint Sensor (side-mounted) IPX4 water resistant |
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| OS | Android 11 | Android 12 |
| User Interface | Funtouch 11.1 | ColorOS 12.1 |
| Processor | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6762 Helio P22 (12 nm) [Similar] | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek MT6833P Dimensity 810 (6 nm) [Similar] |
| GPU | PowerVR GE8320 [Similar] | Mali-G57 MC2 [Similar] |
| RAM | 4 GB [Browse Similar] | 6 GB [Browse Similar] |
| Internal Memory | 64 GB | 128 GB |
| External Memory | microSDXC (dedicated slot) | microSDXC |
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| Type | HD+ IPS LCD Screen | HD+ IPS LCD Screen 90Hz Refresh Rate 480 nits (typ), 600 nits (HBM) |
| Colors | 16M Colors | 16M Colors |
| Size | 6.51 inches [Similar] | 6.56 inches [Similar] |
| Resolution | 720 x 1600 pixels (270 ppi) | 720 x 1612 pixels (269 ppi) |
| Screen-to-Body Ratio | 81.54% | 84.12% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No |
| Games | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP + 2 MP [Similar] | 48 MP + 2 MP [Similar] |
| Flash | LED Flash | LED Flash |
| Features | 13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (macro) |
48 MP, f/1.7, 26mm (wide), PDAF 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps |
| Front Camera |
8 MP, f/1.8, (wide) HDR 1080p@30fps [Similar] |
8 MP, f/2.0, 26mm (wide) Panorama 1080p@30fps [Similar] |
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| GPRS | Yes | Yes |
| Edge | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE | HSPA 42.2/5.76 Mbps, LTE, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.3, A2DP, LE, aptX HD |
| Wi-Fi | 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 | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS |
| Browser | Yes | Yes |
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| Internal | 64 GB, 4 GB RAM | 128 GB, 6 GB RAM UFS 2.2 |
| Expandable Storage | 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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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery Charging 18W |
Non-removable Li-Po Battery Fast battery Charging 33W, 53% in 30 min (advertised) |
| Capacity | 5000 mAh | 5000 mAh |
| Stand by | - | - |
| Talk Time | - | - |
