O2 XDA Stealth vs Celkon A20 Comparison and Differences
Smartphone 1
O2 XDA Stealth
Smartphone 2
Celkon A20
Smartphone 3
O2 XDA Stealth or Celkon A20 Specs Comparison
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Common specs
| Brand and model | O2 XDA Stealth | Celkon A20 | |
| Rating | (+) | (+) | |
| Release date | 2006, September | 2013, August | |
| Dimensions (HxWxD) | 110 x 53 x 22.5 mm | 4.33 x 4.33 x 2.09 in | ||
| Weight | 140 g | 4.94 oz | 0 g | 0 oz | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Silver | Black | |
| Battery | 1300 mAh, Removable Li-Po | 1500 mAh, Li-Ion | |
| Battery life |
Stand by time - Up to 150 h Talking time - Up to 4 h 30 min |
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| Approximate price | 250 EUR | 60 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | TFT | TFT | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | |
| Display colors | 65K | ||
| Screen size | 2.4" in | 4" in | |
| Screen area | 17.8 cm2 | 45.5 cm2 | |
| Screen format | 4:3 (height:width) | 5:3 (height:width) | |
| Screen to body ratio | 30.6% | ||
| Screen resolution | 240 x 320 px | 480 x 800 px | |
| Screen PPI /points per inch/ | 167 PPI | 233 PPI | |
| Other specs | - Handwriting recognition | ||
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 2 MP, Single | 3.15 MP, Single | |
| Camera specs | -2 MP, AF | -3.15 MP | |
| Functions | LED flash | ||
| Video | Yes | Yes | |
| Front camera, selfie | 0 MP, | 0.3 MP, Single | |
| Specifications | VGA |
Performance
| Operating system - OS | Microsoft Windows Mobile 5.0 PocketPC | Android 4.2.0 (Jelly Bean) | |
| CPU | - Intel XScale PXA 272 416 MHz | - Dual-core 1.2 GHz | |
| External memory | miniSD | microSD, up to 32 GB (dedicated slot) | |
| Internal memory | 64 MB RAM, 192 MB ROM | 256 MB, 512 MB RAM |
Benchmark
Communication and Connectivity
| SIM card | Mini-SIM | Dual SIM (Mini-SIM) | |
| Network | GSM | GSM / HSPA | |
| Bands | -2G - GSM 900 / 1800 - SIM 1 & SIM 2 |
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| Speed | Yes, 384 kbps | ||
| GPRS | Class 10 | Class 12 | |
| Edge | No | Class 12 | |
| Wi-Fi | Wi-Fi 802.11b/g | Wi-Fi 802.11 b/g/n | |
| GPS | No | No | |
| NFC | |||
| USB | miniUSB | microUSB 2.0 | |
| Bluetooth | 1.2 | Yes | |
| Harmful irradiation |
SAR EU - 0.88 W/kg (head) 0.60 W/kg (body) |
Music and Audio
| Radio | No | ||
| Headphone jack | No | Yes |
Other features
| Sensors | , Infrared port | - Proximity, gyro | |
| Other extras |
- Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Predictive text input -Voice dial |
Reviews and Opinions on O2 XDA Stealth and Celkon A20
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