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Brief information about compared phones: Acer DX650 , Nokia E7Acer DX650 2009 year of release. cpu Samsung S3C 6410 533 MHz. screen 2.8". with resolution 240x320. Smartphone has 2 megapixel main camera . Nokia 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 . |
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| Display | Technology | TFT | AMOLED | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | 16M | ||
| Screen size | 2.8" inch | 4" inch | ||
| Screen area | 24.3 cm2 | 44.1 cm2 | ||
| Screen format | 4:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 37.5% | 57.1% | ||
| Screen resolution | 240 x 320 px | 360 x 640 px | ||
| PPI /points per inch/ | 143 PPI | 184 PPI | ||
| Screen protection | Corning Gorilla Glass | |||
| Camera and Video | Rear camera, main | 2 MP, Single | 8 MP, Single | |
| Camera specs | 2 MP | 8 MP | ||
| Functions | Dual-LED flash | |||
| Video | panorama | 720p@25fps, 720p@30fps (via SW update) | ||
| Front camera, selfie | 0 MP, | 0.3 MP, Single | ||
| Specifications | Super AMOLED | VGA | ||
| Performance | Operating system OS | Microsoft Windows Mobile 6.1 Professional | Symbian^3, upgradable to Nokia Belle OS | |
| Processor CPU | Samsung S3C 6410 533 MHz | 680 MHz ARM 11 | ||
| Graphics processor GPU | Broadcom BCM2727 | |||
| External memory | microSD (dedicated slot) | No | ||
| Internal memory | Super AMOLED | 16 GB, 256 MB RAM, 1 GB ROM | ||
| General specs | Release date | 2009, June | 2010, September | |
| Dimensions (HxWxD) | 109.6 Х 59 Х 15.6 mm | 123.7 Х 62.4 Х 13.6 mm | ||
| Weight | 133 g | 176 g | ||
| Colors | Black | Dark Grey, Silver White, Green, Blue, Orange | ||
| Battery | 1260 mAh, Removable Li-Ion | 1200 mAh, Non-removable Li-Ion | ||
| Approximate price | 150 EUR | 150 EUR | ||
| Battery life | Stand by time- Up to 150 h Talking time- Up to 4 h | 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) | ||
| Communication and Connectivity | SIM card | Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | Super AMOLED | HSPA 10.2/2 Mbps | ||
| GPRS | Class 10 | Class 32 | ||
| Edge | Class 10 | Class 32 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n | ||
| GPS | Yes, SiRF Star III chipset | Yes, with A-GPS; Ovi Maps 3.0 | ||
| NFC | Super AMOLED | |||
| USB | miniUSB | microUSB 2.0, USB Host | ||
| Bluetooth | microUSB 2.0, A2DP | 3.0, A2DP | ||
| Harmful irradiation | SAR - 0.93 W/kg (head) 1.23 W/kg (body) SAR EU - 0.56 W/kg (head) | |||
| Music and Audio | Radio | FM radio | Stereo FM radio, RDS | |
| Headphone jack | panorama | Yes | ||
| Others | Secondary 1.27'' OLED display (128 x 96 pixel resolution) -Handwriting recognition | Nokia ClearBlack display | ||
| Other features | Dop | Sensors Accelerometer Pocket Office -Voice memo -MP3 player | 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 | |
