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Brief information about compared phones: BLU J4 , Palm PreBLU J4 2019 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5.5". with resolution 720x1440. Smartphone has 8 megapixel front camera and 8 megapixel main camera . Palm Pre 2009 year of release. cpu 600 MHz Cortex-A8. screen 3.1". with resolution 320x480. Smartphone has 3 megapixel main camera . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 5.5" inch | 3.1" inch | ||
| Screen area | 78.1 cm2 | 28.6 cm2 | ||
| Screen format | 18:9 (height:width) | 3:2 (height:width) | ||
| Screen to body ratio | 71.5% | 47.9% | ||
| Screen resolution | 720 x 1440 px | 320 x 480 px | ||
| PPI /points per inch/ | 293 PPI | 186 PPI | ||
| Camera and Video | Rear camera, main | 8 MP, Single | 3.15 MP, Single | |
| Camera specs | 8 MP, AF | 3.15 MP | ||
| Functions | LED flash | LED flash | ||
| Video | 720p@30fps | No | ||
| Front camera, selfie | 8 MP, Single | 0 MP, | ||
| Specifications | 8 MP | |||
| Performance | Operating system OS | Android 8.1 Oreo (Go edition) | Palm webOS | |
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | 600 MHz Cortex-A8 | ||
| Graphics processor GPU | Mali-400 | PowerVR SGX | ||
| External memory | microSDXC | No | ||
| Internal memory | 32GB 1GB RAM | 8 GB, 256 MB RAM | ||
| General specs | Release date | 2019, October | 2009, Februray | |
| Dimensions (HxWxD) | 151 Х 72.3 Х 10 mm | 100.5 Х 59.5 Х 16.9 mm | ||
| Weight | 158 g | 133 g | ||
| Colors | Blue, Black, Brown | Black | ||
| Battery | 2200 mAh, Removable Li-Po | 1150 mAh, Removable Li-Ion | ||
| Approximate price | 70 EUR | 180 EUR | ||
| Battery life | Stand by time- Up to 300 h Talking time- Up to 5 h | |||
| 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 3.6/0.384 Mbps | ||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Class 10 | ||
| 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 | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB | ||
| Bluetooth | 4.1, A2DP, LE | 2.1, A2DP (headset support only) | ||
| Harmful irradiation | SAR - 0.92 W/kg (head) 0.94 W/kg (body) | |||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer For USA | Sensors Accelerometer Wireless charging | |
