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Brief information about compared phones: BLU J2 , Celkon A87BLU J2 2019 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5". with resolution 480x854. Smartphone has 5 megapixel front camera and 5 megapixel main camera . Celkon A87 2013 year of release. cpu 1.0 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | IPS LCD | ||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 5" inch | 4" inch | ||
| Screen area | 68.9 cm2 | 45.5 cm2 | ||
| Screen format | 16:9 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 65.4% | % | ||
| Screen resolution | 480 x 854 px | 480 x 800 px | ||
| PPI /points per inch/ | 196 PPI | 233 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 5 MP, Single | |
| Camera specs | 5 MP | 5 MP, AF | ||
| Functions | LED flash | |||
| Video | 720p@30fps | Yes | ||
| Front camera, selfie | 5 MP, Single | 0.3 MP, Single | ||
| Specifications | 5 MP | VGA | ||
| Performance | Operating system OS | Android 8.1 Oreo (Go edition) | Android 2.3.6 (Gingerbread) | |
| Chipset | Spreadtrum 6820 | |||
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | 1.0 GHz | ||
| Graphics processor GPU | Mali-400 | |||
| External memory | microSDXC | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 32GB 1GB RAM | 512 MB, 512 MB RAM | ||
| General specs | Release date | 2019, December | 2013, January | |
| Dimensions (HxWxD) | 144 Х 73.1 Х 10.3 mm | Х Х mm | ||
| Weight | 146 g | 0 g | ||
| Colors | Blue, Black, Brown | Black, White | ||
| Battery | 2000 mAh, Li-Po | 1450 mAh, Li-Ion | ||
| Approximate price | 50 EUR | 70 EUR | ||
| Battery life | Stand by time- Up to 220 h Talking time- Up to 3 h | |||
| Communication and Connectivity | SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Mini-SIM) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: | ||
| Speed | HSPA 21.1/5.76 Mbps | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes, with A-GPS | No | ||
| NFC | ||||
| USB | microUSB 2.0 | Proprietary | ||
| Bluetooth | 4.1, A2DP, LE | Yes | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer For USA | Sensors Accelerometer | |
