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Brief information about compared phones: BLU Studio Mini , Celkon A20BLU Studio Mini 2019 year of release. cpu Octa-core 1.6 GHz Cortex-A55. screen 5.5". with resolution 720x1440. Smartphone has 8 megapixel front camera and 13 megapixel main camera . Celkon A20 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 . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 5.5" inch | 4" inch | ||
| Screen area | 78.1 cm2 | 45.5 cm2 | ||
| Screen format | 18:9 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 72.5% | % | ||
| Screen resolution | 720 x 1440 px | 480 x 800 px | ||
| PPI /points per inch/ | 293 PPI | 233 PPI | ||
| Camera and Video | Rear camera, main | 13 MP, Single | 3.15 MP, Single | |
| Camera specs | 13 MP, AF | 3.15 MP | ||
| Functions | LED flash | |||
| Video | 1080p@30fps | Yes | ||
| Front camera, selfie | 8 MP, Single | 0.3 MP, Single | ||
| Specifications | 8 MP | VGA | ||
| Performance | Operating system OS | Android 9.0 (Pie) | Android 4.2.0 (Jelly Bean) | |
| Processor CPU | Octa-core 1.6 GHz Cortex-A55 | Dual-core 1.2 GHz | ||
| Graphics processor GPU | IMG8322 | |||
| External memory | microSD, up to 64 GB | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 32GB 2GB RAM | 256 MB, 512 MB RAM | ||
| General specs | Release date | 2019, September | 2013, August | |
| Dimensions (HxWxD) | 150.5 Х 71.5 Х 10.4 mm | Х Х mm | ||
| Weight | 187 g | 0 g | ||
| Colors | Black | Black | ||
| Battery | 3000 mAh, Removable Li-Po | 1500 mAh, Li-Ion | ||
| Approximate price | 80 USD | 60 EUR | ||
| Battery life | Stand by time- Up to 600 h (2G) / Up to 550 h (3G) Talking time- Up to 21 h (2G) / Up to 16 h (3G) | |||
| Communication and Connectivity | SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Mini-SIM) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900), 4(1700/2100), 5(850), 12(700), 17(700) | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | ||
| Speed | HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps | Yes, 384 kbps | ||
| GPRS | Yes | Class 12 | ||
| Edge | Yes | Class 12 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n | ||
| GPS | Yes, with A-GPS | No | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.1, A2DP | Yes | ||
| Harmful irradiation | SAR EU - 0.88 W/kg (head) 0.60 W/kg (body) | |||
| Music and Audio | Radio | FM radio | ||
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Proximity, gyro | |
