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Brief information about compared phones: Celkon A40 , Nokia 7700Celkon A40 2014 year of release. cpu Dual-core 1.3 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Nokia 7700 2003 year of release. cpu 150 MHz ARM925T. screen 3.5". with resolution 640x320. Smartphone has 0 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | touchscreen | resistive touchscreen | ||
| Display colors | 65K | |||
| Screen size | 4" inch | 3.5" inch | ||
| Screen area | 45.5 cm2 | 31.6 cm2 | ||
| Screen format | 5:3 (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | 56.4% | 29.5% | ||
| Screen resolution | 480 x 800 px | 640 x 320 px | ||
| PPI /points per inch/ | 233 PPI | 204 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 0.3 MP, Single | |
| Camera specs | 5 MP | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0 MP, | ||
| Specifications | VGA | |||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Symbian, Series 90 UI, .2.0 | |
| Chipset | TI OMAP 1510 | |||
| Processor CPU | Dual-core 1.3 GHz | 150 MHz ARM925T | ||
| External memory | microSD, up to 32 GB (dedicated slot) | MMC, 64 MB included | ||
| Internal memory | 4 GB, 512 MB RAM | 25 MB | ||
| General specs | Release date | 2014, January | 2003, Q4 | |
| Dimensions (HxWxD) | 126.2 Х 64 Х 10.8 mm | 134 Х 80 Х 22 mm | ||
| Weight | 126.5 g | 183 g | ||
| Colors | White, Yellow, Blue | Black, White | ||
| Battery | 1500 mAh, Li-Ion | 1300 mAh, Removable Li-Po | ||
| Battery life | Stand by time- Up to 240 - 264 h Talking time- Up to 3 - 4 h | |||
| Communication and Connectivity | SIM card | Dual SIM | Mini-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: | ||
| Speed | ||||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | No | ||
| GPS | Yes | No | ||
| NFC | ||||
| USB | microUSB 2.0 | Pop-Port | ||
| Bluetooth | 2.0 | Yes | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | No | ||
| Others | Virtual keyboard -Five-way directional controller -Partial mode 640x65 pixels | |||
| Other features | Dop | Sensors Accelerometer, proximity | Series 90 UI, v.2.0 -Audio/video player -Document viewer (Word, Excel, PowerPoint, PDF) -Voice recorder -Organizer -Flight and offline modes - Stylus | |
