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Brief information about compared phones: A1 Alpha , Nokia N91A1 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 . Nokia N91 2005 year of release. cpu 220 MHz Dual ARM 9. screen 2.1". with resolution 176x208. Smartphone has 2 megapixel main camera . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 16M | 256K | ||
| Screen size | 6.26" inch | 2.1" inch | ||
| Screen area | 97.8 cm2 | 14.0 cm2 | ||
| Screen format | 19:9 (height:width) | (height:width) | ||
| Screen to body ratio | 82.1% | 22.5% | ||
| Screen resolution | 720 x 1520 px | 176 x 208 px | ||
| PPI /points per inch/ | 269 PPI | 0 PPI | ||
| Camera and Video | Rear camera, main | 13 MP, Dual | 2 MP, Single | |
| Camera specs | 13 MP, f/2.0, AF -2 MP, f/2.4, depth sensor | 2 MP | ||
| Functions | LED flash, HDR | |||
| Video | 1080p@30fps | Yes | ||
| Front camera, selfie | 8 MP, Single | 0 MP, | ||
| Specifications | 8 MP, f/2.0 | |||
| Performance | Operating system OS | Android 9.0 (Pie) | Symbian 9.1, Series 60 UI 3rd Edition | |
| Chipset | Unisoc SC9863A (28nm) | |||
| Processor CPU | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) | 220 MHz Dual ARM 9 | ||
| Graphics processor GPU | IMG8322 | |||
| External memory | microSD, up to 256 GB (uses shared SIM slot) | No | ||
| Internal memory | 32GB 2GB RAM, 64GB 3GB RAM | 4/8 GB, 64 MB RAM | ||
| General specs | Release date | 2019, August | 2005, Q2 | |
| Dimensions (HxWxD) | 151.7 Х 75.8 Х 8.1 mm | 113.1 Х 55.2 Х 22 mm | ||
| Weight | 150 g | 164 g | ||
| Colors | Black, Green | Light Blue Chrome, Dark Gray Chrome, Black (Music Edition) | ||
| Battery | 3200 mAh, Non-removable Li-Ion | 900 mAh, Removable Li-Ion | ||
| Approximate price | 150 EUR | 230 EUR | ||
| Battery life | Stand by time- Up to 190 h (2G) / 170 h (3G) Talking time- Up to 4 h (2G) / 3 h (3G) Music play - Up to 10 h | |||
| Communication and Connectivity | SIM card | Hybrid Dual SIM (Nano-SIM, dual stand-by) | 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 / 1900 | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | Yes, 384 kbps | ||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11b/g | ||
| GPS | Yes, with A-GPS, GLONASS | No | ||
| NFC | Yes (64/3GB model only) | |||
| USB | microUSB 2.0, USB On-The-Go | miniUSB 2.0 | ||
| Bluetooth | 4.2, A2DP, LE | 1.2 (A2DP - 8 GB version only) | ||
| Harmful irradiation | SAR - 0.74 W/kg (head) 0.58 W/kg (body) SAR EU - 0.48 W/kg (head) | |||
| Music and Audio | Radio | FM radio | Stereo FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | 5-way configurable navigation key | ||
| Other features | Dop | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Predictive text input -Voice dial -Voice memo -Organizer | |
