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Brief information about compared phones: Celkon A87 , Philips V900Celkon 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 . Philips V900 2010 year of release. cpu . screen 3.5". with resolution 480x800. Smartphone has 3 megapixel main camera . |
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| Display | Technology | TFT | ||
| Touchscreen | capacitive touchscreen | touchscreen | ||
| Display colors | 256K | |||
| Screen size | 4" inch | 3.5" inch | ||
| Screen area | 45.5 cm2 | 34.9 cm2 | ||
| Screen format | 5:3 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | % | 48.6% | ||
| Screen resolution | 480 x 800 px | 480 x 800 px | ||
| PPI /points per inch/ | 233 PPI | 267 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 3.15 MP, Single | |
| Camera specs | 5 MP, AF | 3.15 MP, AF | ||
| Video | Yes | 320p | ||
| Front camera, selfie | 0.3 MP, Single | 0 MP, | ||
| Specifications | VGA | |||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Android-based OPhone OS | |
| Chipset | Spreadtrum 6820 | |||
| Processor CPU | 1.0 GHz | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 8 GB (dedicated slot) | ||
| Internal memory | 512 MB, 512 MB RAM | 40 MB | ||
| General specs | Release date | 2013, January | 2010, February | |
| Dimensions (HxWxD) | Х Х mm | 115 Х 62.4 Х 13.2 mm | ||
| Weight | 0 g | 153.5 g | ||
| Colors | Black, White | Black | ||
| Battery | 1450 mAh, Li-Ion | 1450 mAh, Removable Li-Ion | ||
| Approximate price | 70 EUR | 470 EUR | ||
| Battery life | Stand by time- Up to 220 h Talking time- Up to 3 h | Stand by time- Up to 420 h Talking time- Up to 7 h | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Mini-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: | ||
| Speed | ||||
| GPRS | Yes | Class 12 | ||
| Edge | Yes | Class 12 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g | ||
| GPS | No | Yes, with A-GPS | ||
| NFC | ||||
| USB | Proprietary | miniUSB 2.0 | ||
| Bluetooth | Yes | 2.0, A2DP | ||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer | MP3/WAV/AAC+ player -MP4/H.264 player -Organizer -Voice memo -Predictive text input For China Mobile | |
