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Brief information about compared phones: QMobile E1 , Yezz Billy 4QMobile E1 2017 year of release. cpu Quad-core 1.0 GHz Cortex-A53. screen 5". with resolution 720x1280. Smartphone has 5 megapixel front camera and 8 megapixel main camera . Yezz Billy 4 2014 year of release. cpu Quad-core 1.2 GHz Cortex-A7. screen 4". with resolution 480x800. Smartphone has 1 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 5" inch | 4" inch | ||
| Screen area | 68.9 cm2 | 45.5 cm2 | ||
| Screen format | 16:9 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 66.6% | 57.7% | ||
| Screen resolution | 720 x 1280 px | 480 x 800 px | ||
| PPI /points per inch/ | 294 PPI | 233 PPI | ||
| Camera and Video | Rear camera, main | 8 MP, Single | 8 MP, Single | |
| Camera specs | 8 MP, AF, f/2.2 | 8 MP, AF | ||
| Functions | LED flash | LED flash | ||
| Video | 1080p@30fps | 720p@30fps | ||
| Front camera, selfie | 5 MP, Single | 1.3 MP, Single | ||
| Specifications | 5 MP, f/2.4 | 1.3 MP | ||
| Performance | Operating system OS | Android 6.0 (Marshmallow) | Microsoft Windows Phone 8.1 | |
| Chipset | Mediatek MT6735P (28 nm) | Qualcomm MSM8212 Snapdragon 200 (28 nm) | ||
| Processor CPU | Quad-core 1.0 GHz Cortex-A53 | Quad-core 1.2 GHz Cortex-A7 | ||
| Graphics processor GPU | Mali-T720MP2 | Adreno 302 | ||
| External memory | microSD, up to 128 GB | microSD, up to 256 GB | ||
| Internal memory | 16 GB, 3 GB RAM | 4 GB, 512 MB RAM | ||
| General specs | Release date | 2017, January | 2014, June | |
| Dimensions (HxWxD) | 143.8 Х 72 Х 8.9 mm | 122.5 Х 64.4 Х 9.9 mm | ||
| Weight | 0 g | 109 g | ||
| Colors | Black, Gold | White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold | ||
| Battery | 4000 mAh, Removable Li-Po | 1300 mAh, Removable Li-Ion | ||
| Battery life | Stand by time- Up to 350 h (2G) / Up to 300 h (3G) Talking time- Up to 7 h (2G) / Up to 4 h 30 min (3G) | |||
| Communication and Connectivity | SIM card | Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Micro-SIM) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 2100 -4G - LTE band 3(1800), 5(850) | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps | ||
| GPRS | Yes | Class 12 | ||
| Edge | Yes | Class 12 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.0, A2DP | 4.0, A2DP | ||
| Music and Audio | Radio | FM radio | Stereo FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity, compass | Sensors Accelerometer, proximity | |
