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Brief information about compared phones: Celkon A66 , Nokia E7Celkon A66 2014 year of release. cpu Dual-core 1.2 GHz. screen 4.5". with resolution 480x854. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Nokia 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 . |
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| Display | Technology | TFT | AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4.5" inch | 4" inch | ||
| Screen area | 55.8 cm2 | 44.1 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 61.1% | 57.1% | ||
| Screen resolution | 480 x 854 px | 360 x 640 px | ||
| PPI /points per inch/ | 218 PPI | 184 PPI | ||
| Screen protection | Corning Gorilla Glass | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 8 MP, Single | |
| Camera specs | 3.15 MP | 8 MP | ||
| Functions | LED flash | Dual-LED flash | ||
| Video | Yes | 720p@25fps, 720p@30fps (via SW update) | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | VGA | VGA | ||
| Performance | Operating system OS | Android 4.1.2 (Jelly Bean) | Symbian^3, upgradable to Nokia Belle OS | |
| Processor CPU | Dual-core 1.2 GHz | 680 MHz ARM 11 | ||
| Graphics processor GPU | Broadcom BCM2727 | |||
| External memory | microSD, up to 32 GB | No | ||
| Internal memory | 4 GB, 512 MB RAM | 16 GB, 256 MB RAM, 1 GB ROM | ||
| General specs | Release date | 2014 | 2010, September | |
| Dimensions (HxWxD) | 136 Х 67.2 Х 11 mm | 123.7 Х 62.4 Х 13.6 mm | ||
| Weight | 98 g | 176 g | ||
| Colors | White, Black | Dark Grey, Silver White, Green, Blue, Orange | ||
| Battery | 2000 mAh, Li-Ion | 1200 mAh, Non-removable Li-Ion | ||
| Approximate price | 150 EUR | |||
| Battery life | Stand by time- Up to 160 h Talking time- Up to 5 h | 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) | ||
| Communication and Connectivity | SIM card | Dual SIM | Mini-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA 10.2/2 Mbps | |||
| GPRS | Yes | Class 32 | ||
| Edge | Yes | Class 32 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n | ||
| GPS | Yes | Yes, with A-GPS; Ovi Maps 3.0 | ||
| NFC | ||||
| USB | microUSB | microUSB 2.0, USB Host | ||
| Bluetooth | 2.0 | 3.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.38 W/kg (head) 0.47 W/kg (body) | SAR - 0.93 W/kg (head) 1.23 W/kg (body) SAR EU - 0.56 W/kg (head) | ||
| Music and Audio | Radio | FM radio | Stereo FM radio, RDS | |
| Headphone jack | Yes | Yes | ||
| Others | Nokia ClearBlack display | |||
| Other features | Dop | Sensors Accelerometer, proximity | 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 | |
