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Brief information about compared phones: Karbonn A4 , Nokia E71Karbonn A4 2013 year of release. cpu . screen 4". with resolution 320x480. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Nokia E71 2008 year of release. cpu 369 MHz ARM 11. screen 2.36". with resolution 320x240. Smartphone has 0 megapixel front camera and 3 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 256K | 16M | ||
| Screen size | 4" inch | 2.36" inch | ||
| Screen area | 47.6 cm2 | 17.2 cm2 | ||
| Screen format | 3:2 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 57.8% | 26.5% | ||
| Screen resolution | 320 x 480 px | 320 x 240 px | ||
| PPI /points per inch/ | 144 PPI | 169 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 3.15 MP, Single | |
| Camera specs | 3.15 MP | 3.15 MP, AF | ||
| Functions | LED flash | |||
| Video | Yes | 320p@15fps | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | Videocall camera | |||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Symbian OS 9.2, Series 60 v3.1 UI | |
| Processor CPU | 369 MHz ARM 11 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 8 GB (dedicated slot) | ||
| Internal memory | 256 MB, 512 MB | 110 MB, 128 MB RAM | ||
| General specs | Release date | 2013, March | 2008, June | |
| Dimensions (HxWxD) | 124.8 Х 66 Х 9.5 mm | 114 Х 57 Х 10 mm | ||
| Weight | 75 g | 127 g | ||
| Colors | white/black | White Steel, Grey Steel, Black, Red | ||
| Battery | 1400 mAh, Li-Ion | 1500 mAh, Removable Li-Po | ||
| Approximate price | 70 EUR | 110 EUR | ||
| Battery life | Stand by time- Up to 250 h Talking time- Up to 4 h 20 min | Stand by time- Up to 410 h (2G) / 480 h (3G) Talking time- Up to 10 h 30 min (2G) / 4 h 30 min (3G) Music play - Up to 18 h | ||
| 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: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA | HSPA 3.6/0.384 Mbps | ||
| GPRS | Yes | Class 32, 100 kbps | ||
| Edge | Yes | Class 32, 296 kbps | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g | ||
| GPS | No | Yes, with A-GPS; Nokia Maps | ||
| NFC | ||||
| USB | Proprietary | microUSB 2.0 | ||
| Bluetooth | Yes | 2.0, A2DP | ||
| Harmful irradiation | SAR - 1.09 W/kg (head) 0.48 W/kg (body) SAR EU - 1.27 W/kg (head) | |||
| Music and Audio | Radio | FM radio | FM radio (E71 only) | |
| Headphone jack | Yes | No | ||
| Others | Five-way scroll key | |||
| Other features | Dop | Sensors Accelerometer | , Infrared port - 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 -Push to talk -Voice command/dial -Organizer -Printing - Nokia E71x for AT&T | |
