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Brief information about compared phones: O2 XDA Exec , Oppo R819O2 XDA Exec 2005 year of release. cpu Intel Bulverde 520 MHz. screen 3.6". with resolution 640x480. Smartphone has 0 megapixel front camera and 1 megapixel main camera . Oppo R819 2013 year of release. cpu Quad-core 1.2 GHz Cortex-A7. screen 4.7". with resolution 720x1280. Smartphone has 1 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | 16M | ||
| Screen size | 3.6" inch | 4.7" inch | ||
| Screen area | 40.1 cm2 | 60.9 cm2 | ||
| Screen format | 4:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 39.0% | 65.6% | ||
| Screen resolution | 640 x 480 px | 720 x 1280 px | ||
| PPI /points per inch/ | 222 PPI | 312 PPI | ||
| Camera and Video | Rear camera, main | 1.3 MP, Single | 8 MP, Single | |
| Camera specs | 1.3 MP | 8 MP, AF | ||
| Functions | LED flash, panorama, HDR | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 1.9 MP, Single | ||
| Specifications | VGA videocall camera | 1.9 MP | ||
| Performance | Operating system OS | Microsoft Windows Mobile 5.0 PocketPC | Android 4.2.1 (Jelly Bean) | |
| Chipset | Mediatek MT6589 (28 nm) | |||
| Processor CPU | Intel Bulverde 520 MHz | Quad-core 1.2 GHz Cortex-A7 | ||
| Graphics processor GPU | PowerVR SGX544 | |||
| External memory | SDIO/MMC | No | ||
| Internal memory | 64 MB RAM, 128 MB ROM | 16 GB, 1 GB RAM | ||
| Antutu 7 score | 13238 | |||
| General specs | Release date | 2005, August | 2013, August | |
| Dimensions (HxWxD) | 127 Х 81 Х 25 mm | 136.5 Х 68 Х 7.3 mm | ||
| Weight | 285 g | 110 g | ||
| Colors | Stylish black | White | ||
| Battery | 1620 mAh, Removable Li-Ion | 2000 mAh, Non-removable Li-Ion | ||
| Approximate price | 300 EUR | 250 EUR | ||
| Battery life | Stand by time- Up to 250 h Talking time- Up to 8 h | |||
| Communication and Connectivity | SIM card | Mini-SIM | Dual SIM (Micro-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | Yes, 384 kbps | HSPA | ||
| GPRS | Class 10 | Yes | ||
| Edge | No | Yes | ||
| Wi-Fi | Wi-Fi 802.11b | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot | ||
| GPS | No | Yes, with A-GPS | ||
| NFC | ||||
| USB | miniUSB | microUSB 2.0 | ||
| Bluetooth | 1.2 | 3.0 | ||
| Music and Audio | Radio | No | Stereo FM radio, RDS | |
| Headphone jack | No | Yes | ||
| Others | Handwriting recognition | Active noise cancellation with dedicated mic | ||
| Other features | Dop | , Infrared port - Pocket Office -Voice memo -MP3/AAC player - Produced by HTC. Functionally identical to Qtek 9000 , i-mate JASJAR and T-Mobile MDA IV. | Sensors Accelerometer, gyro, proximity | |
