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Brief information about compared phones: Celkon A87 , QMobile E1Celkon 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 . QMobile E1 2017 year of release. cpu Quad-core 1.0 GHz Cortex-A53. screen 5". with resolution 720x1280. Smartphone has 5 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | IPS LCD | ||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 5" inch | ||
| Screen area | 45.5 cm2 | 68.9 cm2 | ||
| Screen format | 5:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | % | 66.6% | ||
| Screen resolution | 480 x 800 px | 720 x 1280 px | ||
| PPI /points per inch/ | 233 PPI | 294 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 8 MP, Single | |
| Camera specs | 5 MP, AF | 8 MP, AF, f/2.2 | ||
| Functions | LED flash | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 5 MP, Single | ||
| Specifications | VGA | 5 MP, f/2.4 | ||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Android 6.0 (Marshmallow) | |
| Chipset | Spreadtrum 6820 | Mediatek MT6735P (28 nm) | ||
| Processor CPU | 1.0 GHz | Quad-core 1.0 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-T720MP2 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 128 GB | ||
| Internal memory | 512 MB, 512 MB RAM | 16 GB, 3 GB RAM | ||
| General specs | Release date | 2013, January | 2017, January | |
| Dimensions (HxWxD) | Х Х mm | 143.8 Х 72 Х 8.9 mm | ||
| Weight | 0 g | 0 g | ||
| Colors | Black, White | Black, Gold | ||
| Battery | 1450 mAh, Li-Ion | 4000 mAh, Removable Li-Po | ||
| Approximate price | 70 EUR | |||
| Battery life | Stand by time- Up to 220 h Talking time- Up to 3 h | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Dual SIM (Micro-SIM, dual stand-by) | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 2100 -4G - LTE band 3(1800), 5(850) | ||
| Speed | HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 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 | No | Yes, with A-GPS | ||
| NFC | ||||
| USB | Proprietary | microUSB 2.0 | ||
| Bluetooth | Yes | 4.0, A2DP | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer | Sensors Accelerometer, proximity, compass | |
