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Brief information about compared phones: Celkon A87 , Nokia 5.1Celkon A87 2013 year of release. cpu 1.0 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Nokia 5.1 2018 year of release. cpu Octa-core (4x2.0 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53). screen 5.5". with resolution 1080x2160. Smartphone has 8 megapixel front camera and 16 megapixel main camera . |
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| Display | Technology | IPS LCD | ||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 5.5" inch | ||
| Screen area | 45.5 cm2 | 78.1 cm2 | ||
| Screen format | 5:3 (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | % | 73.1% | ||
| Screen resolution | 480 x 800 px | 1080 x 2160 px | ||
| PPI /points per inch/ | 233 PPI | 439 PPI | ||
| Screen protection | Corning Gorilla Glass (unspecified version) | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 16 MP, Single | |
| Camera specs | 5 MP, AF | 16 MP, PDAF | ||
| Functions | Dual-LED dual-tone flash, HDR, panorama | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 8 MP, Single | ||
| Specifications | VGA | 8 MP | ||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Android 8.0 (Oreo); Android One | |
| Chipset | Spreadtrum 6820 | MediaTek Helio P18 | ||
| Processor CPU | 1.0 GHz | Octa-core (4x2.0 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53) | ||
| Graphics processor GPU | Mali-T860MP2 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) | ||
| Internal memory | 512 MB, 512 MB RAM | 32 GB, 3 RAM 16 GB, 2 GB RAM | ||
| Antutu 7 score | 62350 | |||
| General specs | Release date | 2013, January | 2018, May | |
| Dimensions (HxWxD) | Х Х mm | 151.1 Х 70.7 Х 8.2 mm | ||
| Weight | 0 g | 0 g | ||
| Colors | Black, White | copper, Tempered Blue, Black | ||
| Battery | 1450 mAh, Li-Ion | 2970 mAh, Non-removable Li-Ion | ||
| Approximate price | 70 EUR | 180 EUR | ||
| Battery life | Stand by time- Up to 220 h Talking time- Up to 3 h | Talking time- Up to 19 h (3G) Music play - Up to 53 h | ||
| Body build | Front glass, Aluminum body (6000 series) | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | 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 GSM 900 / 1800 - India -3G - HSDPA 850 / 900 / 2100 - APAC, EMEA, HK HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - LATAM, AU, TW -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - APAC, HK LTE band 1(2100), 2(1900), 4(1700/2100), 12(700), 17(700), 28(700), 40(2300) - LATAM, TW LTE band 1(2100), 40(2300), 41(2500) - India | ||
| Speed | HSPA 42.2/5.76 Mbps, 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 a/b/g/n, dual-band, WiFi Direct, hotspot | ||
| GPS | No | Yes, with A-GPS, GLONASS, BDS | ||
| NFC | Yes | |||
| USB | Proprietary | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | Yes | 4.2, A2DP, LE | ||
| Harmful irradiation | SAR EU - 0.29 W/kg (head) 0.61 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 Accelerometer | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
