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Brief information about compared phones: Celkon A87 , Nokia E55Celkon 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 . Nokia E55 2009 year of release. cpu 600 MHz ARM 11. screen 2.4". with resolution 240x320. Smartphone has 0 megapixel front camera and 3 megapixel main camera . |
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| Display | Technology | TFT | ||
| Touchscreen | capacitive touchscreen | |||
| Display colors | 16M | |||
| Screen size | 4" inch | 2.4" inch | ||
| Screen area | 45.5 cm2 | 17.8 cm2 | ||
| Screen format | 5:3 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | % | 31.4% | ||
| Screen resolution | 480 x 800 px | 240 x 320 px | ||
| PPI /points per inch/ | 233 PPI | 167 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 3.2 MP, Single | |
| Camera specs | 5 MP, AF | 3.2 MP | ||
| Functions | LED flash | |||
| Video | Yes | 480p@15fps | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | VGA | QVGA videocall camera | ||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Symbian, S60 rel. 3.2 | |
| Chipset | Spreadtrum 6820 | |||
| Processor CPU | 1.0 GHz | 600 MHz ARM 11 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 16 GB (dedicated slot), 2 GB included | ||
| Internal memory | 512 MB, 512 MB RAM | 60 MB | ||
| General specs | Release date | 2013, January | 2009, February | |
| Dimensions (HxWxD) | Х Х mm | 116 Х 49 Х 9.9 mm | ||
| Weight | 0 g | 98 g | ||
| Colors | Black, White | Black Aluminium, White Aluminium, Red | ||
| Battery | 1450 mAh, Li-Ion | 1500 mAh, Removable Li-Po | ||
| Approximate price | 70 EUR | 150 EUR | ||
| Battery life | Stand by time- Up to 220 h Talking time- Up to 3 h | Stand by time- Up to 672 h (2G) / 432 h (3G) Talking time- Up to 8 h (2G) / 6 h (3G) Music play - Up to 18 h | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-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, 296 / 178.8 kbits | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g, UPnP technology | ||
| GPS | No | Yes, with A-GPS; Nokia Maps 3.0 | ||
| NFC | ||||
| USB | Proprietary | microUSB 2.0 | ||
| Bluetooth | Yes | 2.0, A2DP | ||
| Harmful irradiation | SAR - 0.98 W/kg (head) 0.70 W/kg (body) SAR EU - 1.19 W/kg (head) | |||
| Music and Audio | Radio | FM radio | Stereo FM radio, RDS | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer | Sensors Accelerometer, compass - WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document editor (Word, Excel, PowerPoint, PDF) incl. MS Office 2007 support via free update -Voice memo | |
