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Brief information about compared phones: Celkon A87 , Sharp Aquos ZeroCelkon A87 2013 year of release. cpu 1.0 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Sharp Aquos Zero 2019 year of release. cpu Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver). screen 6.2". with resolution 1440x2992. Smartphone has 8 megapixel front camera and 22 megapixel main camera . |
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| Display | Technology | OLED | ||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 6.2" inch | ||
| Screen area | 45.5 cm2 | 96.9 cm2 | ||
| Screen format | 5:3 (height:width) | 18.7:9 (height:width) | ||
| Screen to body ratio | % | 86.2% | ||
| Screen resolution | 480 x 800 px | 1440 x 2992 px | ||
| PPI /points per inch/ | 233 PPI | 536 PPI | ||
| Screen protection | Corning Gorilla Glass 5 | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 22.6 MP, Single | |
| Camera specs | 5 MP, AF | 22.6 MP, f/1.9, 22 mm, PDAF, OIS | ||
| Functions | HDR | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 8 MP, Single | ||
| Specifications | VGA | 8 MP, f/2.2, 23 mm | ||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Android 9.0 (Pie) | |
| Chipset | Spreadtrum 6820 | Qualcomm SDM845 Snapdragon 845 (10 nm) | ||
| Processor CPU | 1.0 GHz | Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) | ||
| Graphics processor GPU | Adreno 630 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | No | ||
| Internal memory | 512 MB, 512 MB RAM | 128 GB, 6 GB RAM | ||
| Antutu 7 score | 275122 | |||
| General specs | Release date | 2013, January | 2019, January | |
| Dimensions (HxWxD) | Х Х mm | 154 Х 73 Х 8.8 mm | ||
| Weight | 0 g | 146 g | ||
| Colors | Black, White | Meteorite black | ||
| Battery | 1450 mAh, Li-Ion | 3130 mAh, Non-removable Li-Ion | ||
| Approximate price | 70 EUR | 600 EUR | ||
| Battery life | Stand by time- Up to 220 h Talking time- Up to 3 h | |||
| Body build | Front glass, aluminum frame | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Nano-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100), 3(1800), 7(2600), 8(900), 28(700), 38(2600) | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat15 1024/50 Mbps | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | ||
| GPS | No | Yes, with A-GPS, GLONASS, GALILEO, QZSS | ||
| NFC | Yes | |||
| USB | Proprietary | 2.0, Type-C 1.0 reversible connector (PowerDelivery 2.0) | ||
| Bluetooth | Yes | 5.0, A2DP, LE | ||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | No | ||
| Others | DCI-P3 -HDR 10 -Dolby Vision | |||
| Other features | Dop | Sensors Accelerometer | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins) | |
