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Brief information about compared phones: A1 Alpha , Celkon A22A1 Alpha 2019 year of release. cpu Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55). screen 6.26". with resolution 720x1520. Smartphone has 8 megapixel front camera and 13 megapixel main camera . Celkon A22 2012 year of release. cpu Dual-core 1.0 GHz. screen 4.5". with resolution 540x960. Smartphone has 0 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 6.26" inch | 4.5" inch | ||
| Screen area | 97.8 cm2 | 55.8 cm2 | ||
| Screen format | 19:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 82.1% | 63.6% | ||
| Screen resolution | 720 x 1520 px | 540 x 960 px | ||
| PPI /points per inch/ | 269 PPI | 245 PPI | ||
| Camera and Video | Rear camera, main | 13 MP, Dual | 8 MP, Single | |
| Camera specs | 13 MP, f/2.0, AF -2 MP, f/2.4, depth sensor | 8 MP, AF | ||
| Functions | LED flash, HDR | LED flash | ||
| Video | 1080p@30fps | Yes | ||
| Front camera, selfie | 8 MP, Single | 0.3 MP, Single | ||
| Specifications | 8 MP, f/2.0 | |||
| Performance | Operating system OS | Android 9.0 (Pie) | Android 4.0.4 (Ice Cream Sandwich) | |
| Chipset | Unisoc SC9863A (28nm) | |||
| Processor CPU | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) | Dual-core 1.0 GHz | ||
| Graphics processor GPU | IMG8322 | |||
| External memory | microSD, up to 256 GB (uses shared SIM slot) | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 32GB 2GB RAM, 64GB 3GB RAM | |||
| General specs | Release date | 2019, August | 2012, September | |
| Dimensions (HxWxD) | 151.7 Х 75.8 Х 8.1 mm | 131 Х 67 Х 9.9 mm | ||
| Weight | 150 g | 145 g | ||
| Colors | Black, Green | White | ||
| Battery | 3200 mAh, Non-removable Li-Ion | 2000 mAh, Li-Ion | ||
| Approximate price | 150 EUR | 130 EUR | ||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 9 h 10 min | |||
| Communication and Connectivity | SIM card | Hybrid 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 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600) | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| 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, GLONASS | Yes | ||
| NFC | Yes (64/3GB model only) | |||
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0 | ||
| Bluetooth | 4.2, A2DP, LE | Yes | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Sensors Accelerometer MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Photo viewer/editor | |
