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Brief information about compared phones: HTC J , Palm CentroHTC J 2012 year of release. cpu Dual-core 1.5 GHz. screen 4.3". with resolution 540x960. Smartphone has 1 megapixel front camera and 8 megapixel main camera . Palm 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 . |
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| Display | Technology | AMOLED | TFT | |
| Touchscreen | capacitive touchscreen | resistive touchscreen | ||
| Display colors | 16M | 65K | ||
| Screen size | 4.3" inch | 2.25" inch | ||
| Screen area | 51.0 cm2 | 16.3 cm2 | ||
| Screen format | 16:9 (height:width) | 1:1 (height:width) | ||
| Screen to body ratio | 58.7% | 28.5% | ||
| Screen resolution | 540 x 960 px | 320 x 320 px | ||
| PPI /points per inch/ | 256 PPI | 201 PPI | ||
| Camera and Video | Rear camera, main | 8 MP, Single | 1.3 MP, Single | |
| Camera specs | 8 MP, AF | 1.3 MP | ||
| Functions | LED flash | |||
| Video | 720p | Yes | ||
| Front camera, selfie | 1.3 MP, Single | 0 MP, | ||
| Specifications | 1.3 MP | |||
| Performance | Operating system OS | Android 4.0.4 (Ice Cream Sandwich); Sense UI 4 | Palm OS 5.4.9 | |
| Processor CPU | Dual-core 1.5 GHz | 32-bit Intel XScale PXA270 312 MHz | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 4 GB (dedicated slot) | ||
| Internal memory | 16 GB, 1 GB RAM | 64 MB | ||
| General specs | Release date | 2012, April | 2008, February | |
| Dimensions (HxWxD) | 131.5 Х 66 Х 9.5 mm | 107.2 Х 53.5 Х 18.6 mm | ||
| Weight | 137 g | 124 g | ||
| Colors | Black, White, Red | Obsidian, Glacier, Midnight, Cobalt, Onyx, Electric Blue, Rose, Olive | ||
| Battery | 1810 mAh, Removable Li-Ion | 1150 mAh, Removable Li-Ion | ||
| Approximate price | 220 EUR | 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: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 | Show all network frequencies: | ||
| Speed | HSPA | |||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, hotspot; WiMAX 802.16 e | No | ||
| GPS | Yes, with A-GPS | No | ||
| NFC | ||||
| USB | microUSB 2.0 | Proprietary | ||
| Bluetooth | 4.0, A2DP | 1.2, A2DP | ||
| Harmful irradiation | SAR - 0.27 W/kg (head) 0.22 W/kg (body) | |||
| Music and Audio | Radio | No | No | |
| Headphone jack | Yes | No | ||
| Others | Beats Audio -Active noise cancellation with dedicated mic | 5-way navigation button | ||
| Other features | Dop | Sensors Accelerometer, gyro, proximity, compass - MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Organizer -Document viewer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input | , Infrared port - Document editor (Word, Excel, PowerPoint, PDF) -MP3 player -Organizer -Voice memo | |
