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Brief information about compared phones: Celkon A63 , Oppo R11 PlusCelkon A63 2013 year of release. cpu Dual-core 1.2 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Oppo R11 Plus 2017 year of release. cpu Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260). screen 6". with resolution 1080x1920. Smartphone has 20 megapixel front camera and 16 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 6" inch | ||
| Screen area | 45.5 cm2 | 98.7 cm2 | ||
| Screen format | 5:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | % | 73.0% | ||
| Screen resolution | 480 x 800 px | 1080 x 1920 px | ||
| PPI /points per inch/ | 233 PPI | 368 PPI | ||
| Screen protection | Corning Gorilla Glass 5 | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 16 MP, Dual | |
| Camera specs | 3.15 MP | 16 MP, f/1.7, 1/2.8'', 1.12µm, PDAF -20 MP, f/2.6, 1.0µm, AF | ||
| Functions | LED flash, HDR, panorama | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 20 MP, Single | ||
| Specifications | VGA | 20 MP, f/2.0 | ||
| Performance | Operating system OS | Android 4.2.0 (Jelly Bean) | Android 7.1.1 (Nougat); ColorOS 3.1 | |
| Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) | |||
| Processor CPU | Dual-core 1.2 GHz | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) | ||
| Graphics processor GPU | Adreno 512 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 512 MB, 256 MB RAM | 64 GB, 6 GB RAM | ||
| Antutu 7 score | 136256 | |||
| GeekBench 4 Single Core | 1673 | |||
| GeekBench 4 Multi-Core | 5563 | |||
| GeekBench 4 RenderScript | 5623 | |||
| GeekBench 5 Single Core | 395 | |||
| GeekBench 5 Multi-Core | 1455 | |||
| General specs | Release date | 2013, August | 2017, June | |
| Dimensions (HxWxD) | Х Х mm | 165.8 Х 81.5 Х 7.8 mm | ||
| Weight | 0 g | 188 g | ||
| Colors | Black | Black, Gold, Rose Gold | ||
| Battery | 1500 mAh, Li-Ion | 4000 mAh, Non-removable Li-Po | ||
| Approximate price | 50 EUR | 500 EUR | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO & TD-SCDMA -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | |||
| GPRS | Class 12 | Yes | ||
| Edge | Class 12 | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | ||
| GPS | No | Yes, with A-GPS, GLONASS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | Yes | 4.2, A2DP, LE, EDR | ||
| Harmful irradiation | SAR EU - 0.91 W/kg (head) 0.63 W/kg (body) | |||
| Music and Audio | Radio | No | ||
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Proximity, gyro | Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass - Fast battery charging: (VOOC Flash Charge) | |
