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Brief information about compared phones: Allview V2 Viper S , Sharp PiAllview V2 Viper S 2016 year of release. cpu Octa-core 1.3 GHz Cortex-A53. screen 5.5". with resolution 1080x1920. Smartphone has 5 megapixel front camera and 16 megapixel main camera . Sharp Pi 2018 year of release. cpu Quad-core 1.3 GHz Cortex-A53. screen 5.2". with resolution 720x1280. Smartphone has 8 megapixel front camera and 13 megapixel main camera . |
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| Display | Technology | LTPS IPS LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 5.5" inch | 5.2" inch | ||
| Screen area | 83.4 cm2 | 74.5 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 76.7% | % | ||
| Screen resolution | 1080 x 1920 px | 720 x 1280 px | ||
| PPI /points per inch/ | 401 PPI | 282 PPI | ||
| Screen protection | Scratch-resistant glass | Scratch-resistant glass | ||
| Camera and Video | Rear camera, main | 16 MP, Single | 13 MP, Dual | |
| Camera specs | 16 MP, PDAF & laser AF, f/2.0 | 13 MP, f/2.2, AF -2 MP, depth sensor | ||
| Functions | Dual-LED flash, HDR | LED flash, panorama, HDR | ||
| Video | 1080p@30fps | 1080p@30fps | ||
| Front camera, selfie | 5 MP, Single | 8 MP, Single | ||
| Specifications | 5 MP | 8 MP | ||
| Performance | Operating system OS | Android 6.0 (Marshmallow) | Android 7.0 (Nougat) | |
| Chipset | Mediatek MT6753 (28 nm) | Mediatek MT6737M (28 nm) | ||
| Processor CPU | Octa-core 1.3 GHz Cortex-A53 | Quad-core 1.3 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-T720MP2 | Mali-T720 | ||
| External memory | microSD, up to 256 GB | microSD, up to 128 GB | ||
| Internal memory | 32 GB, 3 GB RAM | 16 GB, 2 GB RAM | ||
| General specs | Release date | 2016, October | 2018, February | |
| Dimensions (HxWxD) | 146 Х 74.5 Х 8.2 mm | Х Х mm | ||
| Weight | 141.6 g | 0 g | ||
| Colors | Gray, Gold | White/Gold, Black | ||
| Battery | 3000 mAh, Removable Li-Po | 3000 mAh, Li-Ion | ||
| Approximate price | 110 EUR | |||
| Battery life | Stand by time- Up to 210 h (3G) Talking time- Up to 14 h (3G) | |||
| Communication and Connectivity | SIM card | Single SIM (Micro-SIM)Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100), 3(1800), 7(2600), 20(800), 38(2600) | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300) | ||
| Speed | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE Cat4 150/50 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | Super AMOLED | |||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | 4.0, A2DP, EDR | 4.0, A2DP | ||
| Music and Audio | Radio | FM radio | To be confirmed | |
| Headphone jack | Yes | No | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE, Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS | Sensors Fingerprint (front-mounted), accelerometer, proximity - For Indonesia, Vietnam | |
