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Brief information about compared phones: Nokia E5 , Yezz Billy 4Nokia E5 2010 year of release. cpu 600 MHz ARM 11. screen 2.36". with resolution 320x240. Smartphone has 5 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 | TFT | TFT | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 256K | 16M | ||
| Screen size | 2.36" inch | 4" inch | ||
| Screen area | 17.2 cm2 | 45.5 cm2 | ||
| Screen format | 4:3 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 25.5% | 57.7% | ||
| Screen resolution | 320 x 240 px | 480 x 800 px | ||
| PPI /points per inch/ | 169 PPI | 233 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 8 MP, Single | |
| Camera specs | 5 MP | 8 MP, AF | ||
| Functions | LED flash | LED flash | ||
| Video | 480p@15fps | 720p@30fps | ||
| Front camera, selfie | 0 MP, | 1.3 MP, Single | ||
| Specifications | 1.3 MP | |||
| Performance | Operating system OS | Symbian 9.3, Series 60 rel. 3.2 | Microsoft Windows Phone 8.1 | |
| Chipset | Qualcomm MSM8212 Snapdragon 200 (28 nm) | |||
| Processor CPU | 600 MHz ARM 11 | Quad-core 1.2 GHz Cortex-A7 | ||
| Graphics processor GPU | Adreno 302 | |||
| External memory | microSD, up to 32 GB (dedicated slot), 2 GB included | microSD, up to 256 GB | ||
| Internal memory | 250 MB; 256 MB RAM | 4 GB, 512 MB RAM | ||
| General specs | Release date | 2010, April | 2014, June | |
| Dimensions (HxWxD) | 115 Х 58.9 Х 12.8 mm | 122.5 Х 64.4 Х 9.9 mm | ||
| Weight | 126 g | 109 g | ||
| Colors | Carbon black, Chalk White, Sky Blue, Copper Brown, Silver Grey | White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold | ||
| Battery | 1200 mAh, Removable Li-Ion | 1300 mAh, Removable Li-Ion | ||
| Approximate price | 90 EUR | |||
| Battery life | Stand by time- Up to 635 h (2G) / Up to 670 h (3G) Talking time- Up to 13 h 10 min (2G) / Up to 5 h 15 min (3G) Music play - Up to 38 h | 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 | Mini-SIM | Dual SIM (Micro-SIM) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | HSPA 10.2/2 Mbps | HSPA 42.2/5.76 Mbps | ||
| GPRS | Yes | Class 12 | ||
| Edge | Yes | Class 12 | ||
| Wi-Fi | Wi-Fi 802.11 b/g, UPnP & DLNA technology | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | ||
| GPS | Yes, with A-GPS; Ovi Maps | Yes, with A-GPS, GLONASS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 2.0, A2DP | 4.0, A2DP | ||
| Harmful irradiation | SAR - 1.18 W/kg (head) 1.12 W/kg (body) SAR EU - 0.88 W/kg (head) | |||
| Music and Audio | Radio | Stereo FM radio, RDS | Stereo FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Document editor (Word, Excel, PowerPoint), PDF viewer -MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Voice command/dial -Organizer -Predictive text input | Sensors Accelerometer, proximity | |
