| Blackview A55 |
vivo Y11 |
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| Hardware and OS | Blackview A55 | vivo Y11 |
| Operating system | Android 11 | Android 4.4.4 (KitKat) |
| Processor | Quad-core 2.0 GHz Cortex-A53 | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | Mediatek MT6761V Helio A22 (12 nm) | Mediatek MT6582М |
| GPU | PowerVR GE8300 | Mali-400MP2 |
| Internal memory | 16GB 3GB RAM | 4 GB, 512 MB RAM |
| External memory | microSDXC | microSD, up to 256 GB (dedicated slot) |
| Display | Blackview A55 | vivo Y11 |
| Type | IPS LCD | IPS LCD |
| Size | 6.53" inc | 4" inc |
| Resolution | 720 x 1600 px | 480 x 800 px |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Display colors | 16M | |
| Screen-to-Body Ratio | 59.2% | |
| Screen area | 102.9 cm2 | |
| Display area | 45.5 cm2 | |
| Screen format | 20:9 (height:width) | |
| Display aspect ratio | 5:3 (height:width) | |
| Screen to body ratio | 81.6% | |
| Pixel Density | 233 PPI | |
| PPI /points per inch/ | 269 PPI | |
| Colors | 16M | |
| Screen protection | Scratch resistant | |
| Connectivity | Blackview A55 | vivo Y11 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Network | GSM / HSPA / LTE | GSM / HSPA |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Micro-SIM, dual stand-by) |
| NFC | No | |
| Bluetooth | 4.1, A2DP | 4.0, A2DP, EDR |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Speed | HSPA 21.1/7.2 Mbps | |
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0, USB Host |
| Camera | Blackview A55 | vivo Y11 |
| Main camera | 5 MP, Single | |
| Specs | 5 MP, AF | |
| Rear camera, main | 8 MP, Triple | |
| Features | LED flash | |
| Camera specs | 8 MP, ?/ 2.2, (wide), 1.40 µm -0.3 MP, ?/ , (wide), -0.3 MP, (wide) | |
| Video | 1080p video | 1080p@30fps |
| Functions | LED flash | |
| Selfie camera | 2 MP, Single | |
| Front camera, selfie | 5 MP, Single | |
| Specifications | 5 MP, ?/ 2.2, 1.12 µm, (wide) | |
| Multimedia | Blackview A55 | vivo Y11 |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | FM radio |
| Headphone jack | Yes | |
| Design | Blackview A55 | vivo Y11 |
| Colors | Gray, Green, Blue, Gradient | White, Black |
| Dimensions | 123 x 62.5 x 8.8 mm | |
| Weight | 196 g | 6.91 oz | 124 g |
| Dimensions (HxWxD) | 164.5 x 76.7 x 9.1 mm | 6.48 x 3.02 x 0.36 in | |
| Body build | Plastic | |
| Battery | Blackview A55 | vivo Y11 |
| Battery capacity | 1700 mAh, Removable Li-Po | |
| Battery life | Talking time- Up to 11 h (2G) / Up to 8 h (3G) Music play - Up to 34 h | |
| Battery | 4780 mAh, Li-Ion, non-removable | |
| Other | Blackview A55 | vivo Y11 |
| Release date | 2014, Q4 | |
| Sensors | Accelerometer, proximity , Infrared port | |
| Other features | Blackview A55 | vivo Y11 |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity |
