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Brief information about compared phones: BLU J2 , Dell XCD28BLU J2 2019 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5". with resolution 480x854. Smartphone has 5 megapixel front camera and 5 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 | 5" inch | 2.8" inch | ||
| Screen area | 68.9 cm2 | 24.3 cm2 | ||
| Screen format | 16:9 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 65.4% | 43.3% | ||
| Screen resolution | 480 x 854 px | 240 x 320 px | ||
| PPI /points per inch/ | 196 PPI | 143 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 3.15 MP, Single | |
| Camera specs | 5 MP | 3.15 MP, AF | ||
| Functions | LED flash | |||
| Video | 720p@30fps | Yes | ||
| Front camera, selfie | 5 MP, Single | 0 MP, | ||
| Specifications | 5 MP | |||
| Performance | Operating system OS | Android 8.1 Oreo (Go edition) | Android 2.1 (Eclair) | |
| Chipset | Qualcomm MSM7227 Snapdragon S1 | |||
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | 600 MHz ARM 11 | ||
| Graphics processor GPU | Mali-400 | Adreno 200 | ||
| External memory | microSDXC | microSD, up to 8 GB (dedicated slot), 2 GB included | ||
| Internal memory | 32GB 1GB RAM | 256 MB RAM, 256 MB | ||
| General specs | Release date | 2019, December | 2010, November | |
| Dimensions (HxWxD) | 144 Х 73.1 Х 10.3 mm | 102 Х 55 Х 14.5 mm | ||
| Weight | 146 g | 100 g | ||
| Colors | Blue, Black, Brown | Black | ||
| Battery | 2000 mAh, Li-Po | 1100 mAh, Removable Li-Ion | ||
| Approximate price | 50 EUR | 180 EUR | ||
| Communication and Connectivity | SIM card | Dual SIM (Nano-SIM, dual stand-by) | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA 21.1/5.76 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 | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.1, A2DP, LE | 2.1, A2DP, EDR | ||
| Music and Audio | Radio | FM radio | Stereo FM radio, RDS | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer For USA | MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input | |
