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Brief information about compared phones: BLU Quattro 4.5 HD , T-Mobile Sidekick 4GBLU Quattro 4.5 HD 2013 year of release, cpu Quad-core 1.5 GHz, screen 4.5", with resolution 720x1280. Smartphone has 1 megapixel front camera and 8 megapixel main camera. T-Mobile Sidekick 4G 2011 year of release, cpu 1.0 GHz Cortex-A8, screen 3.5", with resolution 480x800. Smartphone has 0 megapixel front camera and 3 megapixel main camera. |
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| Display | Technology | Super IPS LCD2 | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 4.5" inch | 3.5" inch | ||
| Screen area | 55.8 cm2 | 34.9 cm2 | ||
| Screen format | 16:9 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 62.2% | 45.0% | ||
| Screen resolution | 720 x 1280 px | 480 x 800 px | ||
| PPI /points per inch/ | 326 PPI | 267 PPI | ||
| Screen protection | Corning Gorilla Glass 2 | |||
| Camera and Video | Rear camera, main | 8 MP, Single | 3.15 MP, Single | |
| Camera specs | 8 MP, AF | 3.15 MP, AF | ||
| Functions | LED flash | |||
| Video | 1080p@24fps, stereo sound rec. | 480p@30fps | ||
| Front camera, selfie | 1.3 MP, Single | 0.3 MP, Single | ||
| Specifications | 1.3 MP | VGA | ||
| Performance | Operating system OS | Android 4.0 (Ice Cream Sandwich), upgradable to 4.1 (Jelly Bean) | Android 2.2 (Froyo) | |
| Chipset | Nvidia Tegra 3 | Hummingbird | ||
| Processor CPU | Quad-core 1.5 GHz | 1.0 GHz Cortex-A8 | ||
| Graphics processor GPU | ULP GeForce | PowerVR SGX540 | ||
| External memory | No | microSD, up to 32 GB (dedicated slot), 2 GB included | ||
| Internal memory | 16 GB, 1 GB RAM | 1 GB, 512 MB RAM | ||
| General specs | Release date | 2013, February | 2011, March | |
| Dimensions (HxWxD) | 134 Х 67 Х 10.3 mm | 127 Х 61 Х 15 mm | ||
| Weight | 148 g | 162 g | ||
| Colors | Black | Matte Black, Pearl magenta | ||
| Battery | 1800 mAh, Removable Li-Ion | 1500 mAh, Removable Li-Ion | ||
| Approximate price | 260 EUR | 310 EUR | ||
| Battery life | Stand by time- Up to 750 h (2G) / Up to 700 h (3G) Talking time- Up to 14 h (2G) / Up to 12 h (3G) | Stand by time- Up to 456 h Talking time- Up to 6 h 30 min | ||
| Communication and Connectivity | SIM card | Mini-SIM | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA 21.1/5.76 Mbps | HSPA 7.2/5.76 Mbps | ||
| GPRS | Class 12 | Yes | ||
| Edge | Class 12 | Yes | ||
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi Direct, DLNA, hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.0, A2DP | 3.0, A2DP | ||
| Harmful irradiation | SAR - 0.34 W/kg (head) 0.96 W/kg (body) | |||
| Music and Audio | Radio | Stereo FM radio | Nо | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, gyro, proximity, compass - Also known as BLU Quattro 4.5 HD D450 | Sensors Accelerometer, proximity - T-Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -ThinkFree Office document editor , PDF viewer -Voice memo -Predictive text input - Optical trackpad - Also known as T-Mobile T839 Sidekick 4G | |
