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Brief information about compared phones: O2 XDA Stellar , Plum SyncO2 XDA Stellar 2007 year of release. cpu 400 MHz ARM 11. screen 2.8". with resolution 240x320. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Plum Sync 2013 year of release. cpu Dual-core 1.0 GHz Cortex-A7. screen 3.5". with resolution 320x480. Smartphone has 5 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | 256K | ||
| Screen size | 2.8" inch | 3.5" inch | ||
| Screen area | 24.3 cm2 | 36.5 cm2 | ||
| Screen format | 4:3 (height:width) | 3:2 (height:width) | ||
| Screen to body ratio | 36.7% | 49.5% | ||
| Screen resolution | 240 x 320 px | 320 x 480 px | ||
| PPI /points per inch/ | 143 PPI | 165 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 5 MP, Single | |
| Camera specs | 3.15 MP, AF | 5 MP | ||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 5 MP, Single | ||
| Specifications | VGA videocall camera | 5 MP | ||
| Performance | Operating system OS | Microsoft Windows Mobile 6.0 Professional | Android 4.2 (Jelly Bean) | |
| Chipset | Qualcomm MSM7200 | Mediatek MT6572 (28 nm) | ||
| Processor CPU | 400 MHz ARM 11 | Dual-core 1.0 GHz Cortex-A7 | ||
| Graphics processor GPU | Adreno 130 | Mali-400 | ||
| External memory | microSD | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 128 MB RAM, 256 MB ROM | 512 MB, 256 MB RAM | ||
| General specs | Release date | 2007, November | 2013, September | |
| Dimensions (HxWxD) | 112 Х 59 Х 18.6 mm | 118 Х 62.4 Х 11.5 mm | ||
| Weight | 190 g | 110 g | ||
| Colors | Silver | Black, White | ||
| Battery | 1350 mAh, Removable Li-Ion | 1100 mAh, Removable Li-Ion | ||
| Battery life | Stand by time- Up to 365 h Talking time- Up to 5 h | Stand by time- Up to 180 h Talking time- Up to 4 h | ||
| Communication and Connectivity | SIM card | Mini-SIM | Dual SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: | ||
| Speed | HSPA 3.6/0.384 Mbps | |||
| GPRS | Class 10 | Class 12 | ||
| Edge | Class 10 | Class 12 | ||
| Wi-Fi | Wi-Fi 802.11b/g | Wi-Fi 802.11 b/g, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | ||||
| USB | 2.0 | microUSB | ||
| Bluetooth | 2.0 | 2.1, A2DP, EDR | ||
| Music and Audio | Radio | No | Stereo FM radio | |
| Headphone jack | No | Yes | ||
| Others | Handwriting recognition | |||
| Other features | Dop | Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform | Sensors Accelerometer, proximity, compass - X210 Dual SIM X211 Single SIM | |
