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Brief information about compared phones: Celkon A66 , Nokia 6.1Celkon 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 . Nokia 6.1 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 | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4.5" inch | 5.5" inch | ||
| Screen area | 55.8 cm2 | 82.6 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 61.1% | 73.2% | ||
| Screen resolution | 480 x 854 px | 1080 x 1920 px | ||
| PPI /points per inch/ | 218 PPI | 403 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 16 MP, Single | |
| Camera specs | 3.15 MP | 16 MP, f/2.0, 27mm (wide), 1.0µm, PDAF | ||
| Functions | LED flash | 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 4.1.2 (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 1.2 GHz | Octa-core 2.2 GHz Cortex-A53 | ||
| Graphics processor GPU | Adreno 508 | |||
| External memory | microSD, up to 32 GB | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 4 GB, 512 MB RAM | 32/64 GB, 3/4 GB RAM | ||
| Antutu 7 score | 90125 | |||
| GeekBench 4 Single Core | 869 | |||
| GeekBench 4 Multi-Core | 4102 | |||
| GeekBench 4 RenderScript | 3732 | |||
| GeekBench 5 Single Core | 174 | |||
| GeekBench 5 Multi-Core | 980 | |||
| General specs | Release date | 2014 | 2018, January | |
| Dimensions (HxWxD) | 136 Х 67.2 Х 11 mm | 148.8 Х 75.8 Х 8.2 mm | ||
| Weight | 98 g | 172 g | ||
| Colors | White, Black | Black/Copper, White/Iron, Blue/Gold | ||
| Battery | 2000 mAh, Li-Ion | 3000 mAh, Non-removable Li-Ion | ||
| Approximate price | 230 EUR | |||
| Battery life | Stand by time- Up to 160 h Talking time- Up to 5 h | 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, Type-C 1.0 reversible connector | ||
| Bluetooth | 2.0 | 5.0, A2DP, LE | ||
| Harmful irradiation | SAR EU - 0.38 W/kg (head) 0.47 W/kg (body) | 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 | |
