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Brief information about compared phones: Coolpad Roar , Haier I8Coolpad Roar 2015 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 4.5". with resolution 480x854. Smartphone has 2 megapixel front camera and 5 megapixel main camera . Haier I8 2018 year of release. cpu Octa-core 1.3 GHz Cortex-A53. screen 5.7". with resolution 720x1440. Smartphone has 8 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 | |||
| Screen size | 4.5" inch | 5.7" inch | ||
| Screen area | 55.8 cm2 | 83.8 cm2 | ||
| Screen format | 16:9 (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | 64.2% | 76.3% | ||
| Screen resolution | 480 x 854 px | 720 x 1440 px | ||
| PPI /points per inch/ | 218 PPI | 282 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 13 MP, Single | |
| Camera specs | 5 MP, AF | 13 MP, f/2.0, 1.12µm, PDAF | ||
| Functions | LED flash | LED flash | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 2 MP, Single | 8 MP, Single | ||
| Specifications | 2 MP | 8 MP, f/2.0, 1/4'', no AF | ||
| Performance | Operating system OS | Android 5.1 (Lollipop) | Android 7.1 (Nougat) | |
| Chipset | Mediatek MT6580 (28 nm) | Mediatek MT6753 (28 nm) | ||
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | Octa-core 1.3 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-400MP2 | Mali-T720MP3 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 128 GB (dedicated slot) | ||
| Internal memory | 8 GB, 1 GB RAM | 32 GB, 3 GB RAM | ||
| Antutu 7 score | 27829 | |||
| General specs | Release date | 2015, November | 2018, January | |
| Dimensions (HxWxD) | 133 Х 65.4 Х 9 mm | 151.5 Х 72.5 Х 8.3 mm | ||
| Weight | 0 g | 145 g | ||
| Colors | Black | Black, Blue, Red, Green | ||
| Battery | 1800 mAh, Removable Li-Ion | 3300 mAh, Non-removable Li-Ion | ||
| Body build | Front glass, aluminum body | |||
| Communication and Connectivity | SIM card | Nano-SIM | 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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300), 41(2500) LTE band 2(1900), 4(1700/2100), 12(700), 17(700), 28(700) | ||
| Speed | HSPA | HSPA 42.2/11.5 Mbps, LTE-A (2CA) 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, Wi-Fi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.0, A2DP | 4.2, A2DP, LE | ||
| Harmful irradiation | SAR EU - 0.32 W/kg (head) 1.19 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Yes | Sensors Fingerprint (rear-mounted), accelerometer, proximity | |
