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Brief information about compared phones: Palm Centro , ZTE OpenPalm 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 . ZTE Open 2013 year of release. cpu 1.0 GHz Cortex-A5. screen 3.5". with resolution 320x480. Smartphone has 3 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | |||
| Screen size | 2.25" inch | 3.5" inch | ||
| Screen area | 16.3 cm2 | 36.5 cm2 | ||
| Screen format | 1:1 (height:width) | 3:2 (height:width) | ||
| Screen to body ratio | 28.5% | 51.6% | ||
| Screen resolution | 320 x 320 px | 320 x 480 px | ||
| PPI /points per inch/ | 201 PPI | 165 PPI | ||
| Camera and Video | Rear camera, main | 1.3 MP, Single | 3.15 MP, Single | |
| Camera specs | 1.3 MP | 3.15 MP | ||
| Video | Yes | Yes | ||
| Front camera, selfie | 0 MP, | 0 MP, | ||
| Specifications | ||||
| Performance | Operating system OS | Palm OS 5.4.9 | Firefox OS 1.0 | |
| Chipset | Qualcomm MSM7225A Snapdragon S1 | |||
| Processor CPU | 32-bit Intel XScale PXA270 312 MHz | 1.0 GHz Cortex-A5 | ||
| Graphics processor GPU | Adreno 200 | |||
| External memory | microSD, up to 4 GB (dedicated slot) | microSD, up to 32 GB (dedicated slot), 2 GB included | ||
| Internal memory | 64 MB | 512 MB ROM, 256 MB RAM | ||
| Antutu 7 score | 1456 | |||
| General specs | Release date | 2008, February | 2013, February | |
| Dimensions (HxWxD) | 107.2 Х 53.5 Х 18.6 mm | 114 Х 62 Х 12.5 mm | ||
| Weight | 124 g | 0 g | ||
| Colors | Obsidian, Glacier, Midnight, Cobalt, Onyx, Electric Blue, Rose, Olive | Blue, Orange | ||
| Battery | 1150 mAh, Removable Li-Ion | 1200 mAh, Removable Li-Ion | ||
| Approximate price | 70 EUR | |||
| Battery life | Stand by time- Up to 300 h Talking time- Up to 4 h | |||
| Communication and Connectivity | SIM card | Mini-SIM | Mini-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA 7.2/5.76 Mbps | |||
| GPRS | Class 10 | Yes | ||
| Edge | Class 10 | Yes | ||
| Wi-Fi | No | Wi-Fi 802.11 b/g/n | ||
| GPS | No | Yes, with A-GPS | ||
| NFC | ||||
| USB | Proprietary | microUSB 2.0 | ||
| Bluetooth | 1.2, A2DP | 2.1, A2DP, EDR | ||
| Harmful irradiation | SAR - 0.27 W/kg (head) 0.22 W/kg (body) | |||
| Music and Audio | Radio | No | Stereo FM radio | |
| 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 - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input | |
