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Brief information about compared phones: Celkon A66 , Coolpad MegaCelkon A66 2014 year of release. cpu Dual-core 1.2 GHz. screen 4.5". with resolution 480x854. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Coolpad Mega 2016 year of release. cpu Quad-core 1.0 GHz Cortex-A53. screen 5.5". with resolution 720x1280. Smartphone has 8 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4.5" inch | 5.5" inch | ||
| Screen area | 55.8 cm2 | 109.5 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 61.1% | 93.2% | ||
| Screen resolution | 480 x 854 px | 720 x 1280 px | ||
| PPI /points per inch/ | 218 PPI | 233 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 8 MP, Single | |
| Camera specs | 3.15 MP | 8 MP, AF, f/2.2 | ||
| Functions | LED flash | LED flash | ||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 8 MP, Single | ||
| Specifications | VGA | 8 MP, f/2.2 | ||
| Performance | Operating system OS | Android 4.1.2 (Jelly Bean) | Android 6 (Marshmallow); Cool UI 8 | |
| Chipset | Mediatek MT6735P (28 nm) | |||
| Processor CPU | Dual-core 1.2 GHz | Quad-core 1.0 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-T720MP2 | |||
| External memory | microSD, up to 32 GB | microSD, up to 32 GB (uses SIM 2 slot) | ||
| Internal memory | 4 GB, 512 MB RAM | 16 GB, 3 GB RAM | ||
| Antutu 7 score | 36852 | |||
| General specs | Release date | 2014 | 2016, August | |
| Dimensions (HxWxD) | 136 Х 67.2 Х 11 mm | 153 Х 76.8 Х 7.9 mm | ||
| Weight | 98 g | 143 g | ||
| Colors | White, Black | Gold, White, Black | ||
| Battery | 2000 mAh, Li-Ion | 2500 mAh, Non-removable Li-Ion | ||
| Approximate price | 80 EUR | |||
| Battery life | Stand by time- Up to 160 h Talking time- Up to 5 h | |||
| Communication and Connectivity | SIM card | Dual SIM | Hybrid Dual SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800), 40(2300) | ||
| Speed | HSPA, LTE Cat4 150/50 Mbps | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB | microUSB 2.0 | ||
| Bluetooth | 2.0 | 4.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.38 W/kg (head) 0.47 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Accelerometer, proximity | |
