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Brief information about compared phones: Nokia E51 , ZTE AxonNokia E51 2007 year of release. cpu 369 MHz ARM 11. screen 2". with resolution 240x320. Smartphone has 2 megapixel main camera . ZTE Axon 2015 year of release. cpu Quad-core 2.3 GHz Krait 400. screen 5.5". with resolution 1080x1920. Smartphone has 8 megapixel front camera and 13 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 16M | 16M | ||
| Screen size | 2" inch | 5.5" inch | ||
| Screen area | 12.4 cm2 | 83.4 cm2 | ||
| Screen format | 4:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 23.5% | 73.5% | ||
| Screen resolution | 240 x 320 px | 1080 x 1920 px | ||
| PPI /points per inch/ | 200 PPI | 401 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 2 MP, Single | 13 MP, Dual | |
| Camera specs | 2 MP | 13 MP, AF -2 MP, depth sensor | ||
| Functions | Dual-LED flash, panorama, HDR | |||
| Video | 320p@15fps | 1080p@30fps, 720p@120fps | ||
| Front camera, selfie | 0 MP, | 8 MP, Single | ||
| Specifications | 8 MP | |||
| Performance | Operating system OS | Symbian OS 9.2, Series 60 v3.1 UI | Android 5.1.1 (Lollipop) | |
| Chipset | Qualcomm MSM8974 Snapdragon 801 (28 nm) | |||
| Processor CPU | 369 MHz ARM 11 | Quad-core 2.3 GHz Krait 400 | ||
| Graphics processor GPU | Adreno 330 | |||
| External memory | microSD, up to 16 GB (dedicated slot) | No | ||
| Internal memory | 130 MB, 96 MB RAM | 32 GB, 2 GB RAM | ||
| General specs | Release date | 2007, September | 2015, October | |
| Dimensions (HxWxD) | 114.8 Х 46 Х 12 mm | 153.9 Х 73.7 Х 9.4 mm | ||
| Weight | 100 g | 169.8 g | ||
| Colors | Black, Silver | Ion Gold, Chromium Silver, Phthalo Blue | ||
| Battery | 1050 mAh, Removable Li-Ion | 3000 mAh, Non-removable Li-Ion | ||
| Approximate price | 120 EUR | 290 EUR | ||
| Battery life | Stand by time- Up to 310 h Talking time- Up to 4 h 20 min | Stand by time- Up to 300 h (3G) Talking time- Up to 25 h (3G) | ||
| Communication and Connectivity | SIM card | Mini-SIM | Micro-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700), 29(700), 30(2300) | ||
| Speed | HSPA 3.6/0.384 Mbps | HSPA, LTE | ||
| GPRS | Class 32 | Yes | ||
| Edge | Class 32 | Yes | ||
| Wi-Fi | Wi-Fi 802.11b/g, VoIP over WLAN | Wi-Fi 802.11 b/g/n/ac, dual-band, WiFi Direct, hotspot | ||
| GPS | No | Yes, with A-GPS | ||
| NFC | Yes | |||
| USB | miniUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 2.0, A2DP | 4.0, A2DP | ||
| Harmful irradiation | SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | No | Yes | ||
| Others | Five-way scroll key -Downloadable themes | 32-bit/192kHz audio -Active noise cancellation with dedicated mic | ||
| 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) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer | Sensors Accelerometer, gyro, proximity, compass - Fast battery charging (Quick Charge 1.0) | |
