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Brief information about compared phones: Nokia E51 camera-free , Nokia E90Nokia E51 camera-free 2008 year of release. cpu 369 MHz ARM 11. screen 2". with resolution 240x320. Nokia E90 2007 year of release. cpu 330 MHz. screen 4". with resolution 800x352. Smartphone has 0 megapixel front camera and 3 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | ||||
| Display colors | 16M | 16M | ||
| Screen size | 2" inch | 4" inch | ||
| Screen area | 12.4 cm2 | 38.1 cm2 | ||
| Screen format | 4:3 (height:width) | (height:width) | ||
| Screen to body ratio | 23.5% | 50.6% | ||
| Screen resolution | 240 x 320 px | 800 x 352 px | ||
| PPI /points per inch/ | 200 PPI | 0 PPI | ||
| Camera and Video | Rear camera, main | 0 MP, | 3.15 MP, Single | |
| Camera specs | 3.15 MP, AF | |||
| Functions | LED flash | |||
| Video | Yes | |||
| Front camera, selfie | 0 MP, | 0.3 MP, Single | ||
| Specifications | QCIF videocall camera | |||
| Performance | Operating system OS | Symbian OS 9.2, Series 60 v3.1 UI | Symbian 9.2, S60 rel. 3.1 | |
| Processor CPU | 369 MHz ARM 11 | 330 MHz | ||
| External memory | microSD, up to 16 GB (dedicated slot) | microSD, up to 16 GB (dedicated slot) | ||
| Internal memory | 130 MB, 96 MB RAM | 128 MB | ||
| General specs | Release date | 2008, February | 2007, February | |
| Dimensions (HxWxD) | 114.8 Х 46 Х 12 mm | 132 Х 57 Х 20 mm | ||
| Weight | 100 g | 210 g | ||
| Colors | Black, Silver | Red, Mocha | ||
| Battery | 1050 mAh, Removable Li-Ion | 1500 mAh, Removable Li-Ion | ||
| Approximate price | 130 EUR | 400 EUR | ||
| Battery life | Stand by time- Up to 310 h Talking time- Up to 4 h 20 min | Stand by time- Up to 330 h Talking time- Up to 5 h | ||
| Communication and Connectivity | SIM card | Mini-SIM | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA 3.6/0.384 Mbps | HSPA 3.6/0.384 Mbps | ||
| GPRS | Class 32 | Yes | ||
| Edge | Class 32 | Yes | ||
| Wi-Fi | Wi-Fi 802.11b/g, VoIP over WLAN | Wi-Fi 802.11b/g | ||
| GPS | No | Yes, with A-GPS; Nokia Maps | ||
| NFC | ||||
| USB | miniUSB 2.0 | miniUSB 2.0 | ||
| Bluetooth | 2.0, A2DP | 2.0, A2DP | ||
| Harmful irradiation | SAR - 1.47 W/kg (head) 0.75 W/kg (body) SAR EU - 1.38 W/kg (head) | SAR - 0.59 W/kg (head) 0.72 W/kg (body) SAR EU - 0.65 W/kg (head) | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | No | No | ||
| Others | Five-way scroll key -Downloadable themes | Second external 16M colors display (240 x 320 pixels), 2 inches -Downloadable themes | ||
| Other features | Dop | , Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer -Predictive text input -Voice command/memo -Organizer -Nokia Intellisync Wireless Email -Exchange mail | , Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Voice command/dial -Organizer -Printing -Document editor (Word, Excel, PowerPoint, PDF) incl. MS Office 2007 support via free update -Photo/video editor | |
