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Brief information about compared phones: Celkon A87 , Sonim XP7Celkon 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 . Sonim XP7 2014 year of release. cpu Quad-core 1.2 GHz Cortex-A7. screen 4". with resolution 480x800. Smartphone has 1 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | |||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 4" inch | ||
| Screen area | 45.5 cm2 | 45.5 cm2 | ||
| Screen format | 5:3 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | % | 46.1% | ||
| Screen resolution | 480 x 800 px | 480 x 800 px | ||
| PPI /points per inch/ | 233 PPI | 233 PPI | ||
| Screen protection | Corning Gorilla Glass 2 | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 8 MP, Single | |
| Camera specs | 5 MP, AF | 8 MP, AF | ||
| Functions | LED flash | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 1 MP, Single | ||
| Specifications | VGA | 1 MP | ||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Android 4.4.2 (KitKat) | |
| Chipset | Spreadtrum 6820 | Qualcomm MSM8926 Snapdragon 400 (28 nm) | ||
| Processor CPU | 1.0 GHz | Quad-core 1.2 GHz Cortex-A7 | ||
| Graphics processor GPU | Adreno 305 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | No | ||
| Internal memory | 512 MB, 512 MB RAM | 16 GB, 1 GB RAM | ||
| Antutu 7 score | 18693 | |||
| General specs | Release date | 2013, January | 2014, November | |
| Dimensions (HxWxD) | Х Х mm | 137 Х 72.1 Х 20.8 mm | ||
| Weight | 0 g | 290 g | ||
| Colors | Black, White | Black, Yellow | ||
| Battery | 1450 mAh, Li-Ion | 4800 mAh, Non-removable Li-Ion | ||
| Approximate price | 70 EUR | 700 EUR | ||
| Battery life | Stand by time- Up to 220 h Talking time- Up to 3 h | Stand by time- Up to 1000 h Talking time- Up to 40 h | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Micro-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - Telus -4G - LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700) LTE band 1(2100), 3(1800), 17(700) - Telus | ||
| Speed | HSPA, LTE | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | ||
| GPS | No | Yes, with A-GPS, GLONASS | ||
| NFC | Yes | |||
| USB | Proprietary | microUSB 2.0 | ||
| Bluetooth | Yes | 4.0, A2DP, LE | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer | Sensors Accelerometer, proximity - IP69 dust proof and water resistant over 1 meter and 30 minutes | |
