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Brief information about compared phones: Asus PadFone E , BLU J2Asus PadFone E 2014 year of release. cpu Quad-core 1.4 GHz Cortex-A7. screen 4.7". with resolution 720x1280. Smartphone has 1 megapixel front camera and 13 megapixel main camera . BLU J2 2019 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5". with resolution 480x854. Smartphone has 5 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | Super IPS LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 4.7" inch | 5" inch | ||
| Screen area | 60.9 cm2 | 68.9 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 62.6% | 65.4% | ||
| Screen resolution | 720 x 1280 px | 480 x 854 px | ||
| PPI /points per inch/ | 312 PPI | 196 PPI | ||
| Screen protection | Corning Gorilla Glass | |||
| Camera and Video | Rear camera, main | 13 MP, Single | 5 MP, Single | |
| Camera specs | 13 MP, AF | 5 MP | ||
| Functions | LED flash | LED flash | ||
| Video | 720p | 720p@30fps | ||
| Front camera, selfie | 1.2 MP, Single | 5 MP, Single | ||
| Specifications | 1.2 MP | 5 MP | ||
| Performance | Operating system OS | Android 4.3 (Jelly Bean) | Android 8.1 Oreo (Go edition) | |
| Chipset | Qualcomm Snapdragon 400 (28 nm) | |||
| Processor CPU | Quad-core 1.4 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 | ||
| Graphics processor GPU | Adreno 305 | Mali-400 | ||
| External memory | microSD, up to 64 GB (dedicated slot) | microSDXC | ||
| Internal memory | 1 GB RAM | 32GB 1GB RAM | ||
| General specs | Release date | 2014, January | 2019, December | |
| Dimensions (HxWxD) | 139.6 Х 69.7 Х 9.1 mm | 144 Х 73.1 Х 10.3 mm | ||
| Weight | 126 g | 146 g | ||
| Colors | Black, White | Blue, Black, Brown | ||
| Battery | 1820 mAh, Non-removable Li-Ion | 2000 mAh, Li-Po | ||
| Approximate price | 260 EUR | 50 EUR | ||
| Battery life | Stand by time- Up to 270 h (2G) / Up to 330 h (3G) Talking time- Up to 27 h (2G) / Up to 15 h (3G) | |||
| Communication and Connectivity | SIM card | Dual SIM (dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | HSPA | HSPA 21.1/5.76 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | ||
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.0, A2DP | 4.1, A2DP, LE | ||
| 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 - Padfone Station with 10.1 inches Super IPS display, 1280 x 720 pixels, 181.5 x 263.6 x 17.4 mm, 525.7 g, 5000 mAh battery. | Sensors Accelerometer For USA | |
