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Brief information about compared phones: Karbonn A4 , Nokia E50Karbonn A4 2013 year of release. cpu . screen 4". with resolution 320x480. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Nokia E50 2006 year of release. cpu 235 MHz ARM 9. screen 2.1". with resolution 240x320. Smartphone has 1 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 256K | 256K | ||
| Screen size | 4" inch | 2.1" inch | ||
| Screen area | 47.6 cm2 | 13.7 cm2 | ||
| Screen format | 3:2 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 57.8% | 27.8% | ||
| Screen resolution | 320 x 480 px | 240 x 320 px | ||
| PPI /points per inch/ | 144 PPI | 190 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 1.3 MP, Single | |
| Camera specs | 3.15 MP | 1.3 MP | ||
| Video | Yes | QCIF | ||
| Front camera, selfie | 0.3 MP, Single | 0 MP, | ||
| Specifications | ||||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Symbian OS 9.1, S60 3rd edition | |
| Processor CPU | 235 MHz ARM 9 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 2 GB (dedicated slot) | ||
| Internal memory | 256 MB, 512 MB | 70 MB, 32 MB RAM | ||
| General specs | Release date | 2013, March | 2006, May | |
| Dimensions (HxWxD) | 124.8 Х 66 Х 9.5 mm | 113 Х 43.5 Х 15.5 mm | ||
| Weight | 75 g | 104 g | ||
| Colors | white/black | Silver, Black | ||
| Battery | 1400 mAh, Li-Ion | 970 mAh, Removable Li-Ion | ||
| Approximate price | 70 EUR | 150 EUR | ||
| Battery life | Stand by time- Up to 250 h Talking time- Up to 4 h 20 min | Stand by time- Up to 215 h Talking time- Up to 6 h 40 min | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2 | Show all network frequencies: | ||
| Speed | HSPA | |||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | No | ||
| GPS | No | No | ||
| NFC | ||||
| USB | Proprietary | Pop-Port 2.0 | ||
| Bluetooth | Yes | 2.0 | ||
| Harmful irradiation | SAR - 0.96 W/kg (head) 1.33 W/kg (body) SAR EU - 0.97 W/kg (head) | |||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | No | ||
| Others | 5-way joystick navigation -Downloadable themes | |||
| Other features | Dop | Sensors Accelerometer | , Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word, Excel, PowerPoint, PDF) -Blackberry connectivity -Predictive text input -Voice command/memo -Organizer | |
