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Brief information about compared phones: Nokia E50 , O2 XDA StellarNokia E50 2006 year of release. cpu 235 MHz ARM 9. screen 2.1". with resolution 240x320. Smartphone has 1 megapixel main camera . O2 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 . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | resistive touchscreen | |||
| Display colors | 256K | 65K | ||
| Screen size | 2.1" inch | 2.8" inch | ||
| Screen area | 13.7 cm2 | 24.3 cm2 | ||
| Screen format | 4:3 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 27.8% | 36.7% | ||
| Screen resolution | 240 x 320 px | 240 x 320 px | ||
| PPI /points per inch/ | 190 PPI | 143 PPI | ||
| Camera and Video | Rear camera, main | 1.3 MP, Single | 3.15 MP, Single | |
| Camera specs | 1.3 MP | 3.15 MP, AF | ||
| Video | QCIF | Yes | ||
| Front camera, selfie | 0 MP, | 0.3 MP, Single | ||
| Specifications | VGA videocall camera | |||
| Performance | Operating system OS | Symbian OS 9.1, S60 3rd edition | Microsoft Windows Mobile 6.0 Professional | |
| Chipset | Qualcomm MSM7200 | |||
| Processor CPU | 235 MHz ARM 9 | 400 MHz ARM 11 | ||
| Graphics processor GPU | Adreno 130 | |||
| External memory | microSD, up to 2 GB (dedicated slot) | microSD | ||
| Internal memory | 70 MB, 32 MB RAM | 128 MB RAM, 256 MB ROM | ||
| General specs | Release date | 2006, May | 2007, November | |
| Dimensions (HxWxD) | 113 Х 43.5 Х 15.5 mm | 112 Х 59 Х 18.6 mm | ||
| Weight | 104 g | 190 g | ||
| Colors | Silver, Black | Silver | ||
| Battery | 970 mAh, Removable Li-Ion | 1350 mAh, Removable Li-Ion | ||
| Approximate price | 150 EUR | |||
| Battery life | Stand by time- Up to 215 h Talking time- Up to 6 h 40 min | Stand by time- Up to 365 h Talking time- Up to 5 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 3.6/0.384 Mbps | |||
| GPRS | Class 10 | Class 10 | ||
| Edge | Class 10 | Class 10 | ||
| Wi-Fi | No | Wi-Fi 802.11b/g | ||
| GPS | No | Yes, with A-GPS | ||
| NFC | ||||
| USB | Pop-Port 2.0 | 2.0 | ||
| Bluetooth | 2.0 | 2.0 | ||
| Harmful irradiation | SAR - 0.96 W/kg (head) 1.33 W/kg (body) SAR EU - 0.97 W/kg (head) | |||
| Music and Audio | Radio | No | No | |
| Headphone jack | No | No | ||
| Others | 5-way joystick navigation -Downloadable themes | Handwriting recognition | ||
| Other features | Dop | , Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word, Excel, PowerPoint, PDF) -Blackberry connectivity -Predictive text input -Voice command/memo -Organizer | Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform | |
