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Brief information about compared phones: BLU Tango , ZTE SpeedBLU Tango 2010 year of release. cpu 600 MHz ARM 11. screen 2.8". with resolution 240x320. Smartphone has 3 megapixel main camera . ZTE Speed 2014 year of release. cpu Quad-core 1.2 GHz Cortex-A53. screen 4.5". with resolution 540x960. Smartphone has 2 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 256K | 16M | ||
| Screen size | 2.8" inch | 4.5" inch | ||
| Screen area | 24.3 cm2 | 55.8 cm2 | ||
| Screen format | 4:3 (height:width) | (height:width) | ||
| Screen to body ratio | 44.7% | 62.8% | ||
| Screen resolution | 240 x 320 px | 540 x 960 px | ||
| PPI /points per inch/ | 143 PPI | 245 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 5 MP, Single | |
| Camera specs | 3.15 MP | 5 MP, AF | ||
| Functions | LED flash, panorama, HDR | |||
| Video | 320p@15fps | Yes | ||
| Front camera, selfie | 0 MP, | 2 MP, Single | ||
| Specifications | 2 MP | |||
| Performance | Operating system OS | Android 2.2 (Froyo) | Android 4.4.2 (KitKat) | |
| Chipset | Qualcomm MSM7227 Snapdragon S1 | Qualcomm MSM8916 Snapdragon 410 (28 nm) | ||
| Processor CPU | 600 MHz ARM 11 | Quad-core 1.2 GHz Cortex-A53 | ||
| Graphics processor GPU | Adreno 200 | Adreno 306 | ||
| External memory | microSD, up to 16 GB (dedicated slot), 2 GB included | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 512 MB, 256 MB RAM | 8 GB, 1 GB RAM | ||
| General specs | Release date | 2010, September | 2014, December | |
| Dimensions (HxWxD) | 98.7 Х 55 Х 13 mm | 134.6 Х 66 Х 10.2 mm | ||
| Weight | 94 g | 136.1 g | ||
| Colors | Black, White, Red | Black | ||
| Battery | 1200 mAh, Removable Li-Ion | 2000 mAh, Non-removable Li-Po | ||
| Approximate price | 100 EUR | 80 EUR | ||
| Battery life | Stand by time- Up to 500 h (2G) / Up to 500 h (3G) Talking time- Up to 12 h (2G) / Up to 6 h (3G) | Talking time- Up to 14 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 -4G - LTE | ||
| Speed | HSPA 3.6/0.384 Mbps | HSPA, LTE | ||
| GPRS | Class 10 | Yes | ||
| Edge | Class 10 | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g, hotspot | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 2.1 | 4.0, A2DP | ||
| Music and Audio | Radio | Stereo FM radio, RDS | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, compass - MP3/AAC/AAC+/eAAC+/AMR-NB/AMR-WB/MIDI/PCM/WMA -MP4/H.264/WMV player -Predictive text input | Sensors Accelerometer, proximity - For Boost Mobile | |
