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Brief information about compared phones: Celkon A66 , Nokia 6680Celkon 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 6680 2005 year of release. cpu 220 MHz ARM926EJ-S. screen 2.1". with resolution 176x208. Smartphone has 0 megapixel front camera and 1 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 256K | |||
| Screen size | 4.5" inch | 2.1" inch | ||
| Screen area | 55.8 cm2 | 14.0 cm2 | ||
| Screen format | 16:9 (height:width) | (height:width) | ||
| Screen to body ratio | 61.1% | 23.4% | ||
| Screen resolution | 480 x 854 px | 176 x 208 px | ||
| PPI /points per inch/ | 218 PPI | 0 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 1.3 MP, Single | |
| Camera specs | 3.15 MP | 1.3 MP | ||
| Functions | LED flash | LED flash | ||
| Video | Yes | QCIF | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | VGA | VGA videocall camera | ||
| Performance | Operating system OS | Android 4.1.2 (Jelly Bean) | Symbian OS 8.0a , Series 60 UI | |
| Chipset | TI OMAP 1710 | |||
| Processor CPU | Dual-core 1.2 GHz | 220 MHz ARM926EJ-S | ||
| External memory | microSD, up to 32 GB | RS-DV-MMC, 64 MB included | ||
| Internal memory | 4 GB, 512 MB RAM | 10 MB | ||
| General specs | Release date | 2014 | 2005, Q1 | |
| Dimensions (HxWxD) | 136 Х 67.2 Х 11 mm | 108.6 Х 55.2 Х 20.5 mm | ||
| Weight | 98 g | 133 g | ||
| Colors | White, Black | Bronze, Silver | ||
| Battery | 2000 mAh, Li-Ion | 900 mAh, Removable Li-Ion | ||
| Approximate price | 230 EUR | |||
| Battery life | Stand by time- Up to 160 h Talking time- Up to 5 h | Stand by time- Up to 240 h Talking time- Up to 6 h | ||
| Communication and Connectivity | SIM card | Dual SIM | Mini-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 | ||
| Speed | Yes, 384 kbps | |||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | No | ||
| GPS | Yes | No | ||
| NFC | ||||
| USB | microUSB | Pop-Port | ||
| Bluetooth | 2.0 | 1.2 | ||
| Harmful irradiation | SAR EU - 0.38 W/kg (head) 0.47 W/kg (body) | SAR - 0.56 W/kg (head) 0.67 W/kg (body) SAR EU - 0.69 W/kg (head) | ||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | No | ||
| Others | 5-way navi key -Downloadable themes | |||
| Other features | Dop | Sensors Accelerometer, proximity | Push to talk -MP3/AAC/MP4 player -Predictive text input -Organizer -Voice command/memo | |
