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Brief information about compared phones: Celkon Q450 , QMobile E1Celkon Q450 2015 year of release. cpu Quad-core 1.2 GHz. screen 4.5". with resolution 480x800. Smartphone has 2 megapixel front camera and 5 megapixel main camera . QMobile E1 2017 year of release. cpu Quad-core 1.0 GHz Cortex-A53. screen 5". with resolution 720x1280. Smartphone has 5 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | IPS LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4.5" inch | 5" inch | ||
| Screen area | 57.6 cm2 | 68.9 cm2 | ||
| Screen format | 5:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 63.1% | 66.6% | ||
| Screen resolution | 480 x 800 px | 720 x 1280 px | ||
| PPI /points per inch/ | 207 PPI | 294 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 8 MP, Single | |
| Camera specs | 5 MP | 8 MP, AF, f/2.2 | ||
| Functions | LED flash | LED flash | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 2 MP, Single | 5 MP, Single | ||
| Specifications | 2 MP | 5 MP, f/2.4 | ||
| Performance | Operating system OS | Android 4.4.2 (KitKat) | Android 6.0 (Marshmallow) | |
| Chipset | Spreadtrum 7731 | Mediatek MT6735P (28 nm) | ||
| Processor CPU | Quad-core 1.2 GHz | Quad-core 1.0 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-400 | Mali-T720MP2 | ||
| External memory | microSD, up to 32 GB | microSD, up to 128 GB | ||
| Internal memory | 4 GB, 512 MB RAM | 16 GB, 3 GB RAM | ||
| General specs | Release date | 2015, April | 2017, January | |
| Dimensions (HxWxD) | 135 Х 67.7 Х 9.7 mm | 143.8 Х 72 Х 8.9 mm | ||
| Weight | 147 g | 0 g | ||
| Colors | Gold, White | Black, Gold | ||
| Battery | 1800 mAh, Li-Ion | 4000 mAh, Removable Li-Po | ||
| Communication and Connectivity | SIM card | Dual SIM | Dual SIM (Micro-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 2100 -4G - LTE band 3(1800), 5(850) | ||
| Speed | HSPA | HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 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 | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB | microUSB 2.0 | ||
| Bluetooth | 2.0 | 4.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.74 W/kg (head) 0.67 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Accelerometer, proximity, compass | |
