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Brief information about compared phones: Allview V3 Viper , Celkon A69Allview V3 Viper 2018 year of release. cpu Quad-core 1.3 GHz Cortex-A53. screen 5.5". with resolution 720x1440. Smartphone has 13 megapixel front camera and 13 megapixel main camera . Celkon A69 2013 year of release. cpu 1.0 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | IPS LCD | ||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 5.5" inch | 4" inch | ||
| Screen area | 78.1 cm2 | 45.5 cm2 | ||
| Screen format | 18:9 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 143.3 Х 73.3 Х 9.2 mm | % | ||
| Screen resolution | 720 x 1440 px | 480 x 800 px | ||
| PPI /points per inch/ | 293 PPI | 233 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 13 MP, Single | 5 MP, Single | |
| Camera specs | 13 MP, AF | 5 MP, AF | ||
| Functions | Dual-LED flash | LED flash | ||
| Video | 1080p@30fps | Yes | ||
| Front camera, selfie | 13 MP, Single | 0.3 MP, Single | ||
| Specifications | 13 MP | VGA | ||
| Performance | Operating system OS | Android 8.0 (Oreo) | Android 2.3.6 (Gingerbread) | |
| Chipset | Mediatek MT6737 (28 nm) | Spreadtrum 6820 | ||
| Processor CPU | Quad-core 1.3 GHz Cortex-A53 | 1.0 GHz | ||
| Graphics processor GPU | Mali-T720MP2 | |||
| External memory | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 32 GB, 3 GB RAM | 512 MB, 512 MB RAM | ||
| Antutu 7 score | 30202 | |||
| General specs | Release date | 2018, January | 2013, March | |
| Dimensions (HxWxD) | 148.3 Х 71.8 Х 8.1 mm | Х Х mm | ||
| Weight | 143.6 g | 0 g | ||
| Colors | Black, Sandy Silver, Gold | Black, White | ||
| Battery | 3000 mAh, Non-removable Li-Po | 1500 mAh, Li-Ion | ||
| Approximate price | 220 EUR | |||
| Battery life | Stand by time- Up to 220 h Talking time- Up to 3 h | |||
| Communication and Connectivity | SIM card | Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by) | Dual SIM (Mini-SIM) | |
| Network | 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), 8(900), 20(800), 38(2600), 39(1900), 40(2300) | Show all network frequencies: | ||
| Speed | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes, with A-GPS | No | ||
| NFC | Super AMOLED | |||
| USB | microUSB 2.0 | Proprietary | ||
| Bluetooth | Android 4.4.2 (KitKat), A2DP, Super AMOLED | Yes | ||
| Harmful irradiation | SAR EU - 1.26 W/kg (head) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Fingerprint (rear-mounted), Sensors Accelerometer, proximity, compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE, Infrared port - For Europe | Sensors Accelerometer Flashlight | |
