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Brief information about compared phones: Acer Liquid E1 , Oppo Realme U1Acer Liquid E1 2013 year of release. cpu Dual-core 1.0 GHz Cortex-A9. screen 4.5". with resolution 540x960. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Oppo Realme U1 2018 year of release. cpu Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53). screen 6.3". with resolution 1080x2340. Smartphone has 25 megapixel front camera and 13 megapixel main camera . |
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| Display | Technology | IPS LCD | LTPS IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 4.5" inch | 6.3" inch | ||
| Screen area | 55.8 cm2 | 97.4 cm2 | ||
| Screen format | 16:9 (height:width) | 19.5:9 (height:width) | ||
| Screen to body ratio | 61.7% | 83.9% | ||
| Screen resolution | 540 x 960 px | 1080 x 2340 px | ||
| PPI /points per inch/ | 245 PPI | 409 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 13 MP, Dual | |
| Camera specs | 5 MP, AF | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor | ||
| Functions | Dual-LED flash | HDR | ||
| Video | 720p@30fps | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 25 MP, Single | ||
| Specifications | 2 MP or VGA | 25 MP, f/2.0, 1/2.8'', 0.9μm | ||
| Performance | Operating system OS | Android 4.1.1 (Jelly Bean) | Android 8.1 (Oreo); ColorOS 5.2 | |
| Chipset | Mediatek MT6577 (40 nm) | Mediatek Helio P70 (12nm) | ||
| Processor CPU | Dual-core 1.0 GHz Cortex-A9 | Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) | ||
| Graphics processor GPU | SGX531u | Mali-G72 MP3 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) | ||
| Internal memory | 4 GB, 1 GB RAM | 64 GB, 4 GB RAM 32 GB, 3 GB RAM | ||
| General specs | Release date | 2013, January | 2018, November | |
| Dimensions (HxWxD) | 132 Х 68.5 Х 9.9 mm | 157 Х 74 Х 8 mm | ||
| Weight | 130 g | 168 g | ||
| Colors | Black, White | Ambitious Black, Brave Blue, Fiery Gold | ||
| Battery | 1760 mAh, Removable Li-Ion | 3500 mAh, Non-removable Li-Ion | ||
| Approximate price | 170 EUR | 140 EUR | ||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 8 h | |||
| Communication and Connectivity | SIM card | Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)-3G - HSDPA-4G - LTE | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) | ||
| Speed | HSPA 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS | ||
| NFC | Yes (single sim model only) | |||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | 3.0, A2DP, EDR | 4.2, A2DP, LE | ||
| Harmful irradiation | SAR EU - 0.47 W/kg (head) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | 21 MP | Active noise cancellation with dedicated mic | ||
| Other features | Dop | Sensors Accelerometer, gyro, proximity, compass - Also available as Acer Liquid E1 Dual with dual SIM card slot | Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass - Fast battery charging 5V/2A 10W | |
