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Brief information about compared phones: Allview Impera i , Lava A51Allview Impera i 2014 year of release. cpu Quad-core 1.2 GHz Cortex-A7. screen 4.7". with resolution 720x1280. Smartphone has 2 megapixel front camera and 8 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 | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 4.7" inch | 4.5" inch | ||
| Screen area | 60.9 cm2 | 55.8 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 136 Х 66.7 Х 9.9 mm | 62.2% | ||
| Screen resolution | 720 x 1280 px | 480 x 854 px | ||
| PPI /points per inch/ | 312 PPI | 218 PPI | ||
| Screen protection | Scratch-resistant glass | |||
| Camera and Video | Rear camera, main | 8 MP, Single | 5 MP, Single | |
| Camera specs | 8 MP, AF | 5 MP | ||
| Functions | Dual-LED flash, panorama | LED flash, panorama | ||
| Video | Yes | Yes | ||
| Front camera, selfie | 2 MP, Single | 0.3 MP, Single | ||
| Specifications | 2 MP | VGA | ||
| Performance | Operating system OS | Microsoft Windows Phone 8.1 | Android 6.0 (Marshmallow) | |
| Chipset | Qualcomm MSM8212 Snapdragon 200 (28 nm) | Spreadtrum SC7731C | ||
| Processor CPU | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.2 GHz | ||
| Graphics processor GPU | Adreno 302 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB | ||
| Internal memory | 8 GB, 1 GB RAM | 8 GB, 512 MB RAM | ||
| Antutu 7 score | 12826 | |||
| General specs | Release date | 2014, June | 2016, October | |
| Dimensions (HxWxD) | 135.8 Х 67.2 Х 7.2 mm | 136 Х 66 Х 9.9 mm | ||
| Weight | 98.9 g | 0 g | ||
| Colors | Black | Gray, Black, Gold | ||
| Battery | 1750 mAh, Removable Li-Po | 1750 mAh, Removable Li-Ion | ||
| Approximate price | 160 EUR | |||
| Battery life | Stand by time- Up to 200 h Talking time- Up to 7 h 20 min | Stand by time- Up to 420 h (3G) Talking time- Up to 10 h 30 min (3G) | ||
| Communication and Connectivity | SIM card | Dual SIM (dual stand-by) | Dual SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | ||
| Speed | HSPA 42.2/5.76 Mbps | HSPA | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | Super AMOLED | |||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.0, A2DP, EDR | 2.1, EDR | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity, compass | Sensors Accelerometer For India | |
