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Brief information about compared phones: Blackview A7 , BLU J4Blackview A7 2017 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5". with resolution 720x1280. Smartphone has 2 megapixel front camera and 5 megapixel main camera . BLU J4 2019 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5.5". with resolution 720x1440. Smartphone has 8 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | IPS LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 5" inch | 5.5" inch | ||
| Screen area | 68.9 cm2 | 78.1 cm2 | ||
| Screen format | 16:9 (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | 67.9% | 71.5% | ||
| Screen resolution | 720 x 1280 px | 720 x 1440 px | ||
| PPI /points per inch/ | 294 PPI | 293 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Dual | 8 MP, Single | |
| Camera specs | 5 MP, AF -VGA, depth sensor | 8 MP, AF | ||
| Functions | LED flash | LED flash | ||
| Video | 1080p@30fps | 720p@30fps | ||
| Front camera, selfie | 2 MP, Single | 8 MP, Single | ||
| Specifications | 2 MP | 8 MP | ||
| Performance | Operating system OS | Android 7.0 (Nougat) | Android 8.1 Oreo (Go edition) | |
| Chipset | Mediatek MT6580A (28 nm) | |||
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 | ||
| Graphics processor GPU | Mali-400MP2 | Mali-400 | ||
| External memory | microSD, up to 32 GB | microSDXC | ||
| Internal memory | 8 GB, 1 GB RAM | 32GB 1GB RAM | ||
| Antutu 7 score | 19325 | |||
| GeekBench 4 Single Core | 401 | |||
| GeekBench 4 Multi-Core | 1166 | |||
| General specs | Release date | 2017 | 2019, October | |
| Dimensions (HxWxD) | 143 Х 71 Х 9.5 mm | 151 Х 72.3 Х 10 mm | ||
| Weight | 176 g | 158 g | ||
| Colors | Champagne Gold, Chocolate Black, Cream White, Jelly Blue | Blue, Black, Brown | ||
| Battery | 2800 mAh, Removable Li-Po | 2200 mAh, Removable Li-Po | ||
| Approximate price | 60 EUR | 70 EUR | ||
| Communication and Connectivity | SIM card | Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | HSPA | HSPA 21.1/5.76 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.0, A2DP | 4.1, A2DP, LE | ||
| Music and Audio | Radio | No | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer | Sensors Accelerometer For USA | |
