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Brief information about compared phones: Palm Centro , YU YuniquePalm Centro 2008 year of release. cpu 32-bit Intel XScale PXA270 312 MHz. screen 2.25". with resolution 320x320. Smartphone has 1 megapixel main camera . YU Yunique 2015 year of release. cpu Quad-core 1.2 GHz Cortex-A53. screen 4.7". with resolution 720x1280. Smartphone has 2 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | 16M | ||
| Screen size | 2.25" inch | 4.7" inch | ||
| Screen area | 16.3 cm2 | 60.9 cm2 | ||
| Screen format | 1:1 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 28.5% | 67.1% | ||
| Screen resolution | 320 x 320 px | 720 x 1280 px | ||
| PPI /points per inch/ | 201 PPI | 312 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 1.3 MP, Single | 8 MP, Single | |
| Camera specs | 1.3 MP | 8 MP, AF, f/2.0 | ||
| Functions | HDR | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0 MP, | 2 MP, Single | ||
| Specifications | 2 MP | |||
| Performance | Operating system OS | Palm OS 5.4.9 | Android 5.1.1 (Lollipop) | |
| Chipset | Qualcomm MSM8916 Snapdragon 410 (28 nm) | |||
| Processor CPU | 32-bit Intel XScale PXA270 312 MHz | Quad-core 1.2 GHz Cortex-A53 | ||
| Graphics processor GPU | Adreno 306 | |||
| External memory | microSD, up to 4 GB (dedicated slot) | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 64 MB | 8 GB, 1 GB RAM | ||
| Antutu 7 score | 21456 | |||
| GeekBench 4 Single Core | 387 | |||
| GeekBench 4 Multi-Core | 1175 | |||
| General specs | Release date | 2008, February | 2015, September | |
| Dimensions (HxWxD) | 107.2 Х 53.5 Х 18.6 mm | 134.5 Х 67.5 Х 8.3 mm | ||
| Weight | 124 g | 128 g | ||
| Colors | Obsidian, Glacier, Midnight, Cobalt, Onyx, Electric Blue, Rose, Olive | Black | ||
| Battery | 1150 mAh, Removable Li-Ion | 2000 mAh, Non-removable Li-Po | ||
| Approximate price | 70 EUR | 70 EUR | ||
| Battery life | Stand by time- Up to 300 h Talking time- Up to 4 h | Stand by time- Up to 271 h Talking time- Up to 7 h | ||
| Communication and Connectivity | SIM card | Mini-SIM | Dual SIM (Micro-SIM, dual stand-by) | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800), 40(2300) | ||
| Speed | HSPA, LTE Cat4 150/50 Mbps | |||
| GPRS | Class 10 | Yes | ||
| Edge | Class 10 | Yes | ||
| Wi-Fi | No | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | No | Yes, with A-GPS, GLONASS | ||
| NFC | ||||
| USB | Proprietary | microUSB 2.0, USB Host | ||
| Bluetooth | 1.2, A2DP | 4.0, A2DP, aptX | ||
| Harmful irradiation | SAR - 0.27 W/kg (head) 0.22 W/kg (body) | |||
| Music and Audio | Radio | No | Stereo FM radio, RDS, recordin | |
| Headphone jack | No | Yes | ||
| Others | 5-way navigation button | |||
| Other features | Dop | , Infrared port - Document editor (Word, Excel, PowerPoint, PDF) -MP3 player -Organizer -Voice memo | Sensors Accelerometer, proximity | |
