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Brief information about compared phones: Nokia E50 , Yezz Billy 4.7Nokia E50 2006 year of release. cpu 235 MHz ARM 9. screen 2.1". with resolution 240x320. Smartphone has 1 megapixel main camera . Yezz Billy 4.7 2014 year of release. cpu Quad-core 1.2 GHz Cortex-A7. screen 4.7". with resolution 720x1280. Smartphone has 2 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 256K | 16M | ||
| Screen size | 2.1" inch | 4.7" inch | ||
| Screen area | 13.7 cm2 | 60.9 cm2 | ||
| Screen format | 4:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 27.8% | 66.7% | ||
| Screen resolution | 240 x 320 px | 720 x 1280 px | ||
| PPI /points per inch/ | 190 PPI | 312 PPI | ||
| Screen protection | Asahi Dragontrail Glass | |||
| Camera and Video | Rear camera, main | 1.3 MP, Single | 8 MP, Single | |
| Camera specs | 1.3 MP | 8 MP, AF | ||
| Functions | LED flash, panorama, HDR | |||
| Video | QCIF | 720p@30fps | ||
| Front camera, selfie | 0 MP, | 2 MP, Single | ||
| Specifications | 2 MP | |||
| Performance | Operating system OS | Symbian OS 9.1, S60 3rd edition | Microsoft Windows Phone 8.1 | |
| Chipset | Qualcomm MSM8212 Snapdragon 200 (28 nm) | |||
| Processor CPU | 235 MHz ARM 9 | Quad-core 1.2 GHz Cortex-A7 | ||
| Graphics processor GPU | Adreno 302 | |||
| External memory | microSD, up to 2 GB (dedicated slot) | microSD, up to 256 GB | ||
| Internal memory | 70 MB, 32 MB RAM | 8 GB, 1 GB RAM | ||
| General specs | Release date | 2006, May | 2014, May | |
| Dimensions (HxWxD) | 113 Х 43.5 Х 15.5 mm | 135.8 Х 67.2 Х 7.2 mm | ||
| Weight | 104 g | 120 g | ||
| Colors | Silver, Black | White, Red, Blue | ||
| Battery | 970 mAh, Removable Li-Ion | 1780 mAh, Removable Li-Ion | ||
| Approximate price | 150 EUR | |||
| Battery life | Stand by time- Up to 215 h Talking time- Up to 6 h 40 min | Stand by time- Up to 480 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 7 h 30 min (3G) | ||
| Communication and Connectivity | SIM card | Mini-SIM | Dual SIM (Micro-SIM) | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | HSPA 42.2/5.76 Mbps | |||
| GPRS | Class 10 | Class 12 | ||
| Edge | Class 10 | Class 12 | ||
| Wi-Fi | No | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | ||
| GPS | No | Yes, with A-GPS, GLONASS | ||
| NFC | ||||
| USB | Pop-Port 2.0 | microUSB 2.0 | ||
| Bluetooth | 2.0 | 4.0, A2DP | ||
| Harmful irradiation | SAR - 0.96 W/kg (head) 1.33 W/kg (body) SAR EU - 0.97 W/kg (head) | |||
| Music and Audio | Radio | No | Stereo FM radio | |
| Headphone jack | No | Yes | ||
| Others | 5-way joystick navigation -Downloadable themes | |||
| Other features | Dop | , Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word, Excel, PowerPoint, PDF) -Blackberry connectivity -Predictive text input -Voice command/memo -Organizer | Sensors Accelerometer, proximity, compass - Single SIM: CWP 47 Dual SIM: WP 47 | |
