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Brief information about compared phones: A1 Alpha , Dell XCD28A1 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 . Dell XCD28 2010 year of release. cpu 600 MHz ARM 11. screen 2.8". with resolution 240x320. Smartphone has 3 megapixel main camera . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | resistive touchscreen | ||
| Display colors | 16M | 256K | ||
| Screen size | 6.26" inch | 2.8" inch | ||
| Screen area | 97.8 cm2 | 24.3 cm2 | ||
| Screen format | 19:9 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 82.1% | 43.3% | ||
| Screen resolution | 720 x 1520 px | 240 x 320 px | ||
| PPI /points per inch/ | 269 PPI | 143 PPI | ||
| Camera and Video | Rear camera, main | 13 MP, Dual | 3.15 MP, Single | |
| Camera specs | 13 MP, f/2.0, AF -2 MP, f/2.4, depth sensor | 3.15 MP, AF | ||
| 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) | Android 2.1 (Eclair) | |
| Chipset | Unisoc SC9863A (28nm) | Qualcomm MSM7227 Snapdragon S1 | ||
| Processor CPU | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) | 600 MHz ARM 11 | ||
| Graphics processor GPU | IMG8322 | Adreno 200 | ||
| External memory | microSD, up to 256 GB (uses shared SIM slot) | microSD, up to 8 GB (dedicated slot), 2 GB included | ||
| Internal memory | 32GB 2GB RAM, 64GB 3GB RAM | 256 MB RAM, 256 MB | ||
| General specs | Release date | 2019, August | 2010, November | |
| Dimensions (HxWxD) | 151.7 Х 75.8 Х 8.1 mm | 102 Х 55 Х 14.5 mm | ||
| Weight | 150 g | 100 g | ||
| Colors | Black, Green | Black | ||
| Battery | 3200 mAh, Non-removable Li-Ion | 1100 mAh, Removable Li-Ion | ||
| Approximate price | 150 EUR | 180 EUR | ||
| 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 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 7.2/0.384 Mbps | ||
| 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 | ||
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS | ||
| NFC | Yes (64/3GB model only) | |||
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0 | ||
| Bluetooth | 4.2, A2DP, LE | 2.1, A2DP, EDR | ||
| Music and Audio | Radio | FM radio | Stereo FM radio, RDS | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input | |
