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Brief information about compared phones: Acer DX900 , Nokia N91Acer DX900 2009 year of release. cpu 533 MHz Samsung S3C 6410. screen 2.8". with resolution 480x640. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Nokia N91 2005 year of release. cpu 220 MHz Dual ARM 9. screen 2.1". with resolution 176x208. Smartphone has 2 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | resistive touchscreen | |||
| Display colors | 65K | 256K | ||
| Screen size | 2.8" inch | 2.1" inch | ||
| Screen area | 24.3 cm2 | 14.0 cm2 | ||
| Screen format | 4:3 (height:width) | (height:width) | ||
| Screen to body ratio | 37.9% | 22.5% | ||
| Screen resolution | 480 x 640 px | 176 x 208 px | ||
| PPI /points per inch/ | 286 PPI | 0 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 2 MP, Single | |
| Camera specs | 3.15 MP, AF | 2 MP | ||
| Functions | Dual-LED flash | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0 MP, | ||
| Specifications | VGA videocall camera | |||
| Performance | Operating system OS | Microsoft Windows Mobile 6.1 Professional | Symbian 9.1, Series 60 UI 3rd Edition | |
| Processor CPU | 533 MHz Samsung S3C 6410 | 220 MHz Dual ARM 9 | ||
| External memory | microSD (dedicated slot) | No | ||
| Internal memory | 128 MB RAM, 256 MB ROM | 4/8 GB, 64 MB RAM | ||
| General specs | Release date | 2009, February | 2005, Q2 | |
| Dimensions (HxWxD) | 106 Х 60.5 Х 17 mm | 113.1 Х 55.2 Х 22 mm | ||
| Weight | 147 g | 164 g | ||
| Colors | Black | Light Blue Chrome, Dark Gray Chrome, Black (Music Edition) | ||
| Battery | 1530 mAh, Removable Li-Po | 900 mAh, Removable Li-Ion | ||
| Approximate price | 90 EUR | 230 EUR | ||
| Battery life | Stand by time- Up to 150 h Talking time- Up to10 h | Stand by time- Up to 190 h (2G) / 170 h (3G) Talking time- Up to 4 h (2G) / 3 h (3G) Music play - Up to 10 h | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2 | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 | ||
| Speed | HSPA 7.2/0.384 Mbps | Yes, 384 kbps | ||
| GPRS | Class 10 | Class 10 | ||
| Edge | Class 10 | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11b/g | ||
| GPS | Yes, SiRF Star III chipset | No | ||
| NFC | Super AMOLED | |||
| USB | miniUSB | miniUSB 2.0 | ||
| Bluetooth | microUSB 2.0, A2DP | 1.2 (A2DP - 8 GB version only) | ||
| Harmful irradiation | SAR - 0.74 W/kg (head) 0.58 W/kg (body) SAR EU - 0.48 W/kg (head) | |||
| Music and Audio | Radio | panorama | Stereo FM radio | |
| Headphone jack | panorama | Yes | ||
| Others | Handwriting recognition | 5-way configurable navigation key | ||
| Other features | Dop | Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900, Acer Tempo X960 | Predictive text input -Voice dial -Voice memo -Organizer | |
