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Brief information about compared phones: Micromax A85 , O2 XDA StellarMicromax A85 2011 year of release. cpu Dual-core 1.0 GHz Cortex-A9. screen 3.8". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 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 | capacitive touchscreen | resistive touchscreen | ||
| Display colors | 65K | |||
| Screen size | 3.8" inch | 2.8" inch | ||
| Screen area | 41.1 cm2 | 24.3 cm2 | ||
| Screen format | 5:3 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 57.6% | 36.7% | ||
| Screen resolution | 480 x 800 px | 240 x 320 px | ||
| PPI /points per inch/ | 246 PPI | 143 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 3.15 MP, Single | |
| Camera specs | 5 MP, AF | 3.15 MP, AF | ||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | VGA | VGA videocall camera | ||
| Performance | Operating system OS | Android 2.2 (Froyo) | Microsoft Windows Mobile 6.0 Professional | |
| Chipset | Nvidia Tegra 2 AP20H | Qualcomm MSM7200 | ||
| Processor CPU | Dual-core 1.0 GHz Cortex-A9 | 400 MHz ARM 11 | ||
| Graphics processor GPU | ULP GeForce | Adreno 130 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD | ||
| Internal memory | 8 GB, 512 MB RAM | 128 MB RAM, 256 MB ROM | ||
| General specs | Release date | 2011, Q3 | 2007, November | |
| Dimensions (HxWxD) | 118.7 Х 60.1 Х 13.8 mm | 112 Х 59 Х 18.6 mm | ||
| Weight | 0 g | 190 g | ||
| Colors | Black | Silver | ||
| Battery | 1500 mAh, Removable Li-Ion | 1350 mAh, Removable Li-Ion | ||
| Approximate price | 270 EUR | |||
| Battery life | Stand by time- Up to 250 h Talking time- Up to 3 h 20 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 | HSPA 3.6/0.384 Mbps | ||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11b/g | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | 2.0 | ||
| Bluetooth | Yes | 2.0 | ||
| Music and Audio | Radio | Stereo FM radio, RDS | No | |
| Headphone jack | Yes | No | ||
| Others | Handwriting recognition | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass - MP3/WAV/AAC player -MP4/H.263 player -Organizer -Photo/video editor -Document editor -Voice memo -Predictive text input | Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform | |
