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Brief information about compared phones: HP Pre 3 , Lava A51HP Pre 3 2011 year of release. cpu 1.4 GHz Scorpion. screen 3.58". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Lava A51 2016 year of release. cpu Quad-core 1.2 GHz. screen 4.5". with resolution 480x854. Smartphone has 0 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 3.58" inch | 4.5" inch | ||
| Screen area | 36.5 cm2 | 55.8 cm2 | ||
| Screen format | 5:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 51.4% | 62.2% | ||
| Screen resolution | 480 x 800 px | 480 x 854 px | ||
| PPI /points per inch/ | 261 PPI | 218 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 5 MP, Single | |
| Camera specs | 5 MP, AF | 5 MP | ||
| Functions | LED flash | LED flash, panorama | ||
| Video | 720p | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | VGA | VGA | ||
| Performance | Operating system OS | HP webOS 2.2 | Android 6.0 (Marshmallow) | |
| Chipset | Qualcomm MSM8255 Snapdragon S2 | Spreadtrum SC7731C | ||
| Processor CPU | 1.4 GHz Scorpion | Quad-core 1.2 GHz | ||
| Graphics processor GPU | Adreno 205 | |||
| External memory | No | microSD, up to 32 GB | ||
| Internal memory | 8 GB, 512 MB RAM | 8 GB, 512 MB RAM | ||
| General specs | Release date | 2011, February | 2016, October | |
| Dimensions (HxWxD) | 111 Х 64 Х 16 mm | 136 Х 66 Х 9.9 mm | ||
| Weight | 156 g | 0 g | ||
| Colors | Black | Gray, Black, Gold | ||
| Battery | 1230 mAh, Removable Li-Ion | 1750 mAh, Removable Li-Ion | ||
| Approximate price | 350 EUR | |||
| Battery life | Stand by time- Up to 300 h Talking time- Up to 5 h | Stand by time- Up to 420 h (3G) Talking time- Up to 10 h 30 min (3G) | ||
| Communication and Connectivity | SIM card | Mini-SIM | Dual SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | ||
| Speed | HSPA 7.2/5.76 Mbps | HSPA | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band | 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, A2DP, EDR | 2.1, EDR | ||
| Music and Audio | Radio | No | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass - MP3/WAV/eAAC+ player -MP4/H.264 player -Organizer -Document viewer -Voice memo/dial -Predictive text input | Sensors Accelerometer For India | |
