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Brief information about compared phones: Celkon A98 , O2 XDA AtomCelkon A98 2013 year of release. cpu 1.0 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 3 megapixel main camera . O2 XDA Atom 2005 year of release. cpu Intel PXA272 416 MHz. screen 2.7". with resolution 240x320. Smartphone has 2 megapixel main camera . |
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| Display | Technology | TFT | ||
| Touchscreen | capacitive touchscreen | resistive touchscreen | ||
| Display colors | ||||
| Screen size | 4" inch | 2.7" inch | ||
| Screen area | 45.5 cm2 | 22.6 cm2 | ||
| Screen format | 5:3 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | % | 38.2% | ||
| Screen resolution | 480 x 800 px | 240 x 320 px | ||
| PPI /points per inch/ | 233 PPI | 148 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 2 MP, Single | |
| Camera specs | 3.15 MP | 2 MP | ||
| Functions | LED flash | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0 MP, | ||
| Specifications | ||||
| Performance | Operating system OS | Android 4.0 (Ice Cream Sandwich) | Microsoft Windows Mobile 5.0 PocketPC | |
| Processor CPU | 1.0 GHz | Intel PXA272 416 MHz | ||
| External memory | microSD, up to 32 GB (dedicated slot) | miniSD | ||
| Internal memory | 64 MB RAM, 128 MB ROM | |||
| General specs | Release date | 2013 | 2005, November | |
| Dimensions (HxWxD) | Х Х mm | 102 Х 58 Х 18.5 mm | ||
| Weight | 0 g | 140 g | ||
| Colors | Black | Silver | ||
| Battery | 1800 mAh, Li-Ion | 1530 mAh, Removable Li-Po | ||
| Approximate price | 260 EUR | |||
| Battery life | Stand by time- Up to 180 h Talking time- Up to 6 h | Stand by time- Up to 150 h Talking time- Up to 5 h 30 min | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | Show all network frequencies: | ||
| Speed | HSPA | |||
| GPRS | Yes | Class 10 | ||
| Edge | Class 12 | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11b | ||
| GPS | No | No | ||
| NFC | ||||
| USB | Proprietary | miniUSB | ||
| Bluetooth | Yes | 1.2 | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | No | ||
| Others | Handwriting recognition | |||
| Other features | Dop | Sensors Accelerometer | , Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815 | |
