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Brief information about compared phones: Coolpad Mega , Oppo A83Coolpad 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 . Oppo A83 2018 year of release. cpu Octa-core 2.5 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 | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 5.5" inch | 5.7" inch | ||
| Screen area | 109.5 cm2 | 83.8 cm2 | ||
| Screen format | 16:9 (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | 93.2% | 76.2% | ||
| Screen resolution | 720 x 1280 px | 720 x 1440 px | ||
| PPI /points per inch/ | 233 PPI | 282 PPI | ||
| Camera and Video | Rear camera, main | 8 MP, Single | 13 MP, Single | |
| Camera specs | 8 MP, AF, f/2.2 | 13 MP, AF, f/2.2 | ||
| Functions | LED flash | LED flash, HDR, panorama | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 8 MP, Single | 8 MP, Single | ||
| Specifications | 8 MP, f/2.2 | 8 MP, f/2.2 | ||
| Performance | Operating system OS | Android 6 (Marshmallow); Cool UI 8 | Android 7.1 (Nougat); ColorOS 3.2 | |
| Chipset | Mediatek MT6735P (28 nm) | Mediatek MT6763T Helio P23 (16 nm) | ||
| Processor CPU | Quad-core 1.0 GHz Cortex-A53 | Octa-core 2.5 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-T720MP2 | Mali-G71 MP2 | ||
| External memory | microSD, up to 32 GB (uses SIM 2 slot) | microSD, up to 256 GB (dedicated slot) | ||
| Internal memory | 16 GB, 3 GB RAM | 64/32 GB, 4 GB RAM 32 GB, 3 GB RAM 16 GB, 2 GB RAM | ||
| Antutu 7 score | 36852 | 80225 | ||
| GeekBench 4 Single Core | 863 | |||
| GeekBench 4 Multi-Core | 3612 | |||
| General specs | Release date | 2016, August | 2018, January | |
| Dimensions (HxWxD) | 153 Х 76.8 Х 7.9 mm | 150.5 Х 73.1 Х 7.7 mm | ||
| Weight | 143 g | 143 g | ||
| Colors | Gold, White, Black | Gold, Black, Red, Blue | ||
| Battery | 2500 mAh, Non-removable Li-Ion | 3180 mAh, Non-removable Li-Ion | ||
| Approximate price | 80 EUR | 200 EUR | ||
| Body build | Front glass, aluminum body | |||
| Communication and Connectivity | SIM card | Hybrid Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800), 40(2300) | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 2100 - India, Thailand, Pakistan HSDPA 850 / 900 / 1900 / 2100 - China -4G - LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) - India, Thailand LTE band 1(2100), 7(2600), 34(2000), 39(1900), 41(2500) - China (A83t) LTE band 1(2100), 41(2500) - Pakistan | ||
| Speed | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 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 a/b/g/n, dual-band, WiFi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | 4.0, A2DP | 4.2, A2DP, LE | ||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Accelerometer, proximity, compass | |
