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Brief information about compared phones: Celkon A63 , Oppo A9Celkon A63 2013 year of release. cpu Dual-core 1.2 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Oppo A9 2019 year of release. cpu Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53). screen 6.53". with resolution 1080x2340. Smartphone has 16 megapixel front camera and 16 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 6.53" inch | ||
| Screen area | 45.5 cm2 | 104.7 cm2 | ||
| Screen format | 5:3 (height:width) | 19.5:9 (height:width) | ||
| Screen to body ratio | % | 84.9% | ||
| Screen resolution | 480 x 800 px | 1080 x 2340 px | ||
| PPI /points per inch/ | 233 PPI | 395 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 16 MP, Dual | |
| Camera specs | 3.15 MP | 16 MP, AF -2 MP, f/2.4, depth sensor | ||
| Functions | HDR | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 16 MP, Single | ||
| Specifications | VGA | 16 MP | ||
| Performance | Operating system OS | Android 4.2.0 (Jelly Bean) | Android 9.0 (Pie); ColorOS 6 | |
| Chipset | Mediatek Helio P70 (12nm) | |||
| Processor CPU | Dual-core 1.2 GHz | Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) | ||
| Graphics processor GPU | Mali-G72 MP3 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB | ||
| Internal memory | 512 MB, 256 MB RAM | 128 GB, 6 GB RAM | ||
| Antutu 8 score | 175916 | |||
| General specs | Release date | 2013, August | 2019, April | |
| Dimensions (HxWxD) | Х Х mm | 162 Х 76.1 Х 8.3 mm | ||
| Weight | 0 g | 190 g | ||
| Colors | Black | Mica Green, Ice Jade White, Fluorite Purple | ||
| Battery | 1500 mAh, Li-Ion | 4020 mAh, Non-removable Li-Po | ||
| Approximate price | 50 EUR | 250 EUR | ||
| Communication and Connectivity | SIM card | Dual SIM (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 / 1900 / 2100 -4G - LTE | ||
| Speed | HSPA, LTE-A | |||
| GPRS | Class 12 | Yes | ||
| Edge | Class 12 | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Yes | ||
| GPS | No | Yes, with A-GPS, GLONASS, BDS | ||
| NFC | Yes | |||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | Yes | Yes | ||
| Harmful irradiation | SAR EU - 0.91 W/kg (head) 0.63 W/kg (body) | |||
| Music and Audio | Radio | FM radio | ||
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Proximity, gyro | Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass | |
