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Brief information about compared phones: Nokia E7 , O2 XDA StellarNokia E7 2010 year of release. cpu 680 MHz ARM 11. screen 4". with resolution 360x640. Smartphone has 0 megapixel front camera and 8 megapixel main camera . O2 XDA Stellar 2007 year of release. cpu 400 MHz ARM 11. screen 2.8". with resolution 240x320. Smartphone has 0 megapixel front camera and 3 megapixel main camera . |
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| Display | Technology | AMOLED | TFT | |
| Touchscreen | capacitive touchscreen | resistive touchscreen | ||
| Display colors | 16M | 65K | ||
| Screen size | 4" inch | 2.8" inch | ||
| Screen area | 44.1 cm2 | 24.3 cm2 | ||
| Screen format | 16:9 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 57.1% | 36.7% | ||
| Screen resolution | 360 x 640 px | 240 x 320 px | ||
| PPI /points per inch/ | 184 PPI | 143 PPI | ||
| Screen protection | Corning Gorilla Glass | |||
| Camera and Video | Rear camera, main | 8 MP, Single | 3.15 MP, Single | |
| Camera specs | 8 MP | 3.15 MP, AF | ||
| Functions | Dual-LED flash | |||
| Video | 720p@25fps, 720p@30fps (via SW update) | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | VGA | VGA videocall camera | ||
| Performance | Operating system OS | Symbian^3, upgradable to Nokia Belle OS | Microsoft Windows Mobile 6.0 Professional | |
| Chipset | Qualcomm MSM7200 | |||
| Processor CPU | 680 MHz ARM 11 | 400 MHz ARM 11 | ||
| Graphics processor GPU | Broadcom BCM2727 | Adreno 130 | ||
| External memory | No | microSD | ||
| Internal memory | 16 GB, 256 MB RAM, 1 GB ROM | 128 MB RAM, 256 MB ROM | ||
| General specs | Release date | 2010, September | 2007, November | |
| Dimensions (HxWxD) | 123.7 Х 62.4 Х 13.6 mm | 112 Х 59 Х 18.6 mm | ||
| Weight | 176 g | 190 g | ||
| Colors | Dark Grey, Silver White, Green, Blue, Orange | Silver | ||
| Battery | 1200 mAh, Non-removable Li-Ion | 1350 mAh, Removable Li-Ion | ||
| Approximate price | 150 EUR | |||
| Battery life | Stand by time- Up to 432 h (2G) / Up to 480 h (3G) Talking time- Up to 9 h (2G) / Up to 5 h (3G) | Stand by time- Up to 365 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 10.2/2 Mbps | HSPA 3.6/0.384 Mbps | ||
| GPRS | Class 32 | Class 10 | ||
| Edge | Class 32 | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11b/g | ||
| GPS | Yes, with A-GPS; Ovi Maps 3.0 | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0, USB Host | 2.0 | ||
| Bluetooth | 3.0, A2DP | 2.0 | ||
| Harmful irradiation | SAR - 0.93 W/kg (head) 1.23 W/kg (body) SAR EU - 0.56 W/kg (head) | |||
| Music and Audio | Radio | Stereo FM radio, RDS | No | |
| Headphone jack | Yes | No | ||
| Others | Nokia ClearBlack display | Handwriting recognition | ||
| Other features | Dop | Sensors Accelerometer, proximity, compass - TV-out (720p video) via HDMI and composite -Dolby Digital Plus via HDMI -MP3/WAV/eAAC+/WMA player -MP4/H.264/WMV player -Voice command/dial -Document editor (Word, Excel, PowerPoint, PDF) -Video/photo editor -Voice memo/dial -Predictive text input | Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform | |
