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Brief information about compared phones: BLU J2 , Celkon A355BLU 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 A355 2015 year of release. cpu 1.0 GHz. screen 3.5". with resolution 320x480. Smartphone has 0 megapixel front camera and 2 megapixel main camera . |
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| Display | Technology | IPS LCD | ||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 5" inch | 3.5" inch | ||
| Screen area | 68.9 cm2 | 36.5 cm2 | ||
| Screen format | 16:9 (height:width) | 3:2 (height:width) | ||
| Screen to body ratio | 65.4% | 50.0% | ||
| Screen resolution | 480 x 854 px | 320 x 480 px | ||
| PPI /points per inch/ | 196 PPI | 165 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 2 MP, Single | |
| Camera specs | 5 MP | 2 MP | ||
| Functions | LED flash | Dual-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 4.4.2 (KitKat) | |
| Chipset | Spreadtrum 7715 | |||
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | 1.0 GHz | ||
| Graphics processor GPU | Mali-400 | Mali-400 | ||
| External memory | microSDXC | microSD, up to 32 GB | ||
| Internal memory | 32GB 1GB RAM | 512 MB, 256 MB RAM | ||
| General specs | Release date | 2019, December | 2015, May | |
| Dimensions (HxWxD) | 144 Х 73.1 Х 10.3 mm | 115.3 Х 63.3 Х 10.2 mm | ||
| Weight | 146 g | 97.5 g | ||
| Colors | Blue, Black, Brown | Light Blue, Dart Blue, Red, Yellow, White | ||
| Battery | 2000 mAh, Li-Po | 1200 mAh, Li-Ion | ||
| Approximate price | 50 EUR | |||
| Communication and Connectivity | SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | ||
| Speed | HSPA 21.1/5.76 Mbps | HSPA | ||
| 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 | ||
| GPS | Yes, with A-GPS | Yes | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB | ||
| Bluetooth | 4.1, A2DP, LE | 2.0 | ||
| Harmful irradiation | SAR EU - 0.49 W/kg (head) 0.84 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer For USA | Sensors Accelerometer | |
