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Brief information about compared phones: O2 XDA Stealth , Oppo A3sO2 XDA Stealth 2006 year of release. cpu Intel XScale PXA 272 416 MHz. screen 2.4". with resolution 240x320. Smartphone has 2 megapixel main camera . Oppo A3s 2018 year of release. cpu Octa-core 1.8 GHz Cortex-A53. screen 6.2". with resolution 720x1520. Smartphone has 8 megapixel front camera and 13 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | 16M | ||
| Screen size | 2.4" inch | 6.2" inch | ||
| Screen area | 17.8 cm2 | 95.9 cm2 | ||
| Screen format | 4:3 (height:width) | 19:9 (height:width) | ||
| Screen to body ratio | 30.6% | 81.2% | ||
| Screen resolution | 240 x 320 px | 720 x 1520 px | ||
| PPI /points per inch/ | 167 PPI | 271 PPI | ||
| Camera and Video | Rear camera, main | 2 MP, Single | 13 MP, Dual | |
| Camera specs | 2 MP, AF | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor | ||
| Functions | LED flash | LED flash, HDR, panorama | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0 MP, | 8 MP, Single | ||
| Specifications | 8 MP, f/2.2 | |||
| Performance | Operating system OS | Microsoft Windows Mobile 5.0 PocketPC | Android 8.1 (Oreo); ColorOS 5.1 | |
| Chipset | Qualcomm SDM450 Snapdragon 450 (14 nm) | |||
| Processor CPU | Intel XScale PXA 272 416 MHz | Octa-core 1.8 GHz Cortex-A53 | ||
| Graphics processor GPU | Adreno 506 | |||
| External memory | miniSD | microSD, up to 256 GB (dedicated slot) | ||
| Internal memory | 64 MB RAM, 192 MB ROM | 16 GB, 2 GB RAM | ||
| Antutu 7 score | 64122 | |||
| General specs | Release date | 2006, September | 2018, July | |
| Dimensions (HxWxD) | 110 Х 53 Х 22.5 mm | 156.2 Х 75.6 Х 8.2 mm | ||
| Weight | 140 g | 168 g | ||
| Colors | Silver | Red, Dark Purple | ||
| Battery | 1300 mAh, Removable Li-Po | 4230 mAh, Non-removable Li-Ion | ||
| Approximate price | 250 EUR | 11000 INR | ||
| Battery life | Stand by time- Up to 150 h Talking time- Up to 4 h 30 min | |||
| Communication and Connectivity | SIM card | Mini-SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | |||
| GPRS | Class 10 | Yes | ||
| Edge | No | Yes | ||
| Wi-Fi | Wi-Fi 802.11b/g | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | ||
| GPS | No | Yes, with A-GPS | ||
| NFC | ||||
| USB | miniUSB | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | 1.2 | 4.2, A2DP, LE | ||
| Music and Audio | Radio | No | FM radio | |
| Headphone jack | No | Yes | ||
| Others | Handwriting recognition | Active noise cancellation with dedicated mic | ||
| Other features | Dop | , Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Predictive text input -Voice dial | Sensors Accelerometer, proximity, compass - For India | |
