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Brief information about compared phones: Palm Centro , ZTE E N72Palm 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 E N72 2010 year of release. cpu . screen 2.5". with resolution 320x240. Smartphone has 3 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | resistive touchscreen | resistive touchscreen | ||
| Display colors | 65K | 256K | ||
| Screen size | 2.25" inch | 2.5" inch | ||
| Screen area | 16.3 cm2 | 19.4 cm2 | ||
| Screen format | 1:1 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 28.5% | 25.7% | ||
| Screen resolution | 320 x 320 px | 320 x 240 px | ||
| PPI /points per inch/ | 201 PPI | 160 PPI | ||
| Camera and Video | Rear camera, main | 1.3 MP, Single | 3.15 MP, Single | |
| Camera specs | 1.3 MP | 3.15 MP, AF | ||
| Functions | LED flash | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0 MP, | 0 MP, | ||
| Specifications | ||||
| Performance | Operating system OS | Palm OS 5.4.9 | Microsoft Windows Mobile Professional | |
| Processor CPU | 32-bit Intel XScale PXA270 312 MHz | |||
| External memory | microSD, up to 4 GB (dedicated slot) | microSD, up to 8 GB (dedicated slot) | ||
| Internal memory | 64 MB | 100 MB | ||
| General specs | Release date | 2008, February | 2010, August | |
| Dimensions (HxWxD) | 107.2 Х 53.5 Х 18.6 mm | 114 Х 66 Х 11.9 mm | ||
| Weight | 124 g | 130 g | ||
| Colors | Obsidian, Glacier, Midnight, Cobalt, Onyx, Electric Blue, Rose, Olive | Black | ||
| Battery | 1150 mAh, Removable Li-Ion | 1300 mAh, Removable Li-Ion | ||
| Approximate price | 70 EUR | |||
| Battery life | Stand by time- Up to 300 h Talking time- Up to 4 h | Stand by time- Up to 200 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 - CDMA 800 / 1900 | ||
| Speed | HSPA | |||
| GPRS | Class 10 | No | ||
| Edge | Class 10 | No | ||
| Wi-Fi | No | No | ||
| GPS | No | No | ||
| NFC | ||||
| USB | Proprietary | microUSB 2.0 | ||
| Bluetooth | 1.2, A2DP | 2.0, A2DP | ||
| Harmful irradiation | SAR - 0.27 W/kg (head) 0.22 W/kg (body) | |||
| Music and Audio | Radio | No | No | |
| Headphone jack | No | No | ||
| Others | 5-way navigation button | |||
| Other features | Dop | , Infrared port - Document editor (Word, Excel, PowerPoint, PDF) -MP3 player -Organizer -Voice memo | MP3/WMA/eAAC+ player -MP4/H.264 player -Document viewer -Organizer -Voice memo -Predictive text input | |
