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Brief information about compared phones: Allview E3 Sign , BLU C4Allview E3 Sign 2015 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5.5". with resolution 720x1280. Smartphone has 2 megapixel front camera and 8 megapixel main camera . BLU C4 2018 year of release. cpu Quad-core 1.3 GHz. screen 4". with resolution 480x800. Smartphone has 5 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | IPS LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | Super AMOLED | 16M | ||
| Screen size | 5.5" inch | 4" inch | ||
| Screen area | 83.4 cm2 | 45.5 cm2 | ||
| Screen format | 16:9 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 72.0% | 57.1% | ||
| Screen resolution | 720 x 1280 px | 480 x 800 px | ||
| PPI /points per inch/ | 267 PPI | 233 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, HDR | LED flash | ||
| Video | 1080p@30fps | 720p@30fps | ||
| Front camera, selfie | 2 MP, Single | 5 MP, Single | ||
| Specifications | 2 MP | 5 MP | ||
| Performance | Operating system OS | Android 4.4.2 (KitKat) | Android 8.1 Oreo (Go edition) | |
| Chipset | Mediatek MT6582 (28 nm) | |||
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.3 GHz | ||
| Graphics processor GPU | Mali-400MP2 Z525 -Mali-T720MP2 Z528 | Mali-400 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 64 GB | ||
| Internal memory | 16 GB, 2 GB RAM | 8 GB, 512 MB RAM | ||
| Antutu 7 score | 24156 | 21722 | ||
| General specs | Release date | 2015, March | 2018, August | |
| Dimensions (HxWxD) | 152.5 Х 75.9 Х 9.3 mm | 124.3 Х 64.2 Х 10.9 mm | ||
| Weight | 161.9 g | 118 g | ||
| Colors | Black | Black, Gold, Blue | ||
| Battery | 2800 mAh, Removable Li-Po | 1300 mAh, Li-Po | ||
| Approximate price | 50 USD | |||
| Battery life | Stand by time- Up to 280 h Talking time- Up to 10 h 20 min | Stand by time- Up to 400 h (2G) / Up to 450 h (3G) Talking time- Up to 18 h (2G) / Up to 13 h (3G) | ||
| Communication and Connectivity | SIM card | Single SIM (Micro-SIM)Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Micro-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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | HSPA 21.1/11.5 Mbps | HSPA 21.1/5.76 Mbps | ||
| GPRS | Class 12 | Yes | ||
| Edge | Class 10 | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | 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 | ||
| Harmful irradiation | SAR EU - 0.67 W/kg (head) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Fingerprint (rear-mounted), Sensors Accelerometer, proximity - Also known as Liquid E3 E380 Available as Acer Liquid E3 Duo with dual-SIM card slots, Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS | Sensors Accelerometer For USA | |
