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Brief information about compared phones: Nokia E7 , ZTE ObsidianNokia E7 2010 year of release. cpu 680 MHz ARM 11. screen 4". with resolution 360x640. Smartphone has 0 megapixel front camera and 8 megapixel main camera . ZTE Obsidian 2015 year of release. cpu Quad-core 1.0 GHz Cortex-A53. screen 4.5". with resolution 480x854. Smartphone has 2 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | AMOLED | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 4" inch | 4.5" inch | ||
| Screen area | 44.1 cm2 | 55.8 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 57.1% | 59.2% | ||
| Screen resolution | 360 x 640 px | 480 x 854 px | ||
| PPI /points per inch/ | 184 PPI | 218 PPI | ||
| Screen protection | Corning Gorilla Glass | |||
| Camera and Video | Rear camera, main | 8 MP, Single | 5 MP, Single | |
| Camera specs | 8 MP | 5 MP | ||
| Functions | Dual-LED flash | LED flash | ||
| Video | 720p@25fps, 720p@30fps (via SW update) | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 2 MP, Single | ||
| Specifications | VGA | 2 MP | ||
| Performance | Operating system OS | Symbian^3, upgradable to Nokia Belle OS | Android 5.1 (Lollipop) | |
| Chipset | Mediatek MT6735M (28 nm) | |||
| Processor CPU | 680 MHz ARM 11 | Quad-core 1.0 GHz Cortex-A53 | ||
| Graphics processor GPU | Broadcom BCM2727 | Mali-T720MP2 | ||
| External memory | No | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 16 GB, 256 MB RAM, 1 GB ROM | 4 GB, 1 GB RAM | ||
| General specs | Release date | 2010, September | 2015, August | |
| Dimensions (HxWxD) | 123.7 Х 62.4 Х 13.6 mm | 137.4 Х 68.6 Х 10.2 mm | ||
| Weight | 176 g | 137.5 g | ||
| Colors | Dark Grey, Silver White, Green, Blue, Orange | Black | ||
| Battery | 1200 mAh, Non-removable Li-Ion | 1800 mAh, Removable Li-Ion | ||
| Approximate price | 150 EUR | 130 EUR | ||
| Battery life | Stand by time- Up to 432 h (2G) / Up to 480 h (3G) Talking time- Up to 9 h (2G) / Up to 5 h (3G) | Stand by time- Up to 252 h (3G) Talking time- Up to 6 h (3G) | ||
| Communication and Connectivity | SIM card | Mini-SIM | Micro-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900), 4(1700/2100), 12(700) | ||
| Speed | HSPA 10.2/2 Mbps | HSPA 42.2/5.76 Mbps, LTE | ||
| GPRS | Class 32 | Yes | ||
| Edge | Class 32 | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes, with A-GPS; Ovi Maps 3.0 | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0, USB Host | microUSB 2.0 | ||
| Bluetooth | 3.0, A2DP | 4.0, A2DP | ||
| Harmful irradiation | SAR - 0.93 W/kg (head) 1.23 W/kg (body) SAR EU - 0.56 W/kg (head) | |||
| Music and Audio | Radio | Stereo FM radio, RDS | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Nokia ClearBlack display | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass - TV-out (720p video) via HDMI and composite -Dolby Digital Plus via HDMI -MP3/WAV/eAAC+/WMA player -MP4/H.264/WMV player -Voice command/dial -Document editor (Word, Excel, PowerPoint, PDF) -Video/photo editor -Voice memo/dial -Predictive text input | Sensors Accelerometer | |
