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Brief information about compared phones: Celkon A40 , Nokia 6 (2018)Celkon A40 2014 year of release. cpu Dual-core 1.3 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Nokia 6 (2018) 2018 year of release. cpu Octa-core 2.2 GHz Cortex-A53. screen 5.5". with resolution 1080x1920. Smartphone has 8 megapixel front camera and 16 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 5.5" inch | ||
| Screen area | 45.5 cm2 | 82.6 cm2 | ||
| Screen format | 5:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 56.4% | 73.2% | ||
| Screen resolution | 480 x 800 px | 1080 x 1920 px | ||
| PPI /points per inch/ | 233 PPI | 403 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 16 MP, Single | |
| Camera specs | 5 MP | 16 MP, f/2.0, 27mm (wide), 1.0µm, PDAF | ||
| Functions | Zeiss optics, Dual-LED dual-tone flash, panorama, HDR | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 8 MP, Single | ||
| Specifications | VGA | 8 MP, f/2.0, 1/4'', 1.12µm | ||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Android 8.1 (Oreo), upgradable to Android 9.0 (Pie); Android One | |
| Chipset | Qualcomm SDM630 Snapdragon 630 (14 nm) | |||
| Processor CPU | Dual-core 1.3 GHz | Octa-core 2.2 GHz Cortex-A53 | ||
| Graphics processor GPU | Adreno 508 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 4 GB, 512 MB RAM | 32/64 GB, 3/4 GB RAM | ||
| General specs | Release date | 2014, January | 2018, January | |
| Dimensions (HxWxD) | 126.2 Х 64 Х 10.8 mm | 148.8 Х 75.8 Х 8.2 mm | ||
| Weight | 126.5 g | 172 g | ||
| Colors | White, Yellow, Blue | Black/Copper, White/Iron, Blue/Gold | ||
| Battery | 1500 mAh, Li-Ion | 3000 mAh, Non-removable Li-Ion | ||
| Approximate price | 230 EUR | |||
| Battery life | Stand by time- Up to 507 h (3G) Talking time- Up to 16 h (3G) Music play - Up to 119 h | |||
| Body build | Front glass, Aluminum body (6000 series) | |||
| Communication and Connectivity | SIM card | Dual 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 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO - Hong Kong, Taiwan -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - EMEA & APAC LTE band 2(1900), 4(1700/2100), 12(700), 17(700), 38(2600) - LATAM LTE band 1(2100), 34(2000), 39(1900), 41(2500) - Hong Kong, Taiwan | ||
| 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/ac, Wi-Fi Direct, hotspot | ||
| GPS | Yes | Yes, with A-GPS, GLONASS, BDS | ||
| NFC | Yes | |||
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector | ||
| Bluetooth | 2.0 | 5.0, A2DP, LE | ||
| Harmful irradiation | SAR EU - 0.94 W/kg (head) 1.82 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio with RDS | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fast battery charging 18W: 50% in 30 min | |
