Phone Comparison - Garmin-Asus nuvifone M20 vs Asus VivoTab RT vs Samsung Galaxy Tab S 10.5
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| Manufacturer | Garmin-Asus | Asus | Samsung |
| Announced | February 2009 | October 2012 | January 2014 |
| Status | Available - September 2009 | Available - November 2012 | Available - July 2014 |
| Colors | Green, Red, Blue, Black | Black | Dazzling White, Titanium Bronze |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
95.3 x 52.5 x 12.8 mm (3.75 x 2.07 x 0.5 in) |
262.5 x 170.9 x 8.3 mm (10.33 x 6.73 x 0.33 in) |
247.3 x 177.3 x 6.6 mm (9.74 x 6.98 x 0.26 in) |
| Weight | 99 g (3.49 oz) | 525 g (18.52 oz) | 465 g (16.4 oz) |
| 2G Network | GSM 900 / 1800 / 1900 GSM 850 / 1800 / 1900 - US version |
N/A | No |
| 3G Network | HSDPA 900 / 2100 HSDPA 850 / 1900 - US version |
- | No |
| 4G Network | - | - | - |
| Messaging | SMS, MMS, Push Mail, EMail | , Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | Fingerprint Sensor |
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| OS | Microsoft Windows Mobile 6.1 Professional, upgradeable to Windows Mobile 6.5 | Microsoft Windows RT | Android OS, v4.4.2 (KitKat) |
| Processor | 528 MHz ARM 11, Qualcomm MSM7200A | Quad-core 1.3 GHz Cortex-A9, Nvidia Tegra 3 T30 | Quad-core 1.9 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5420 |
| GPU | Adreno 130 | ULP GeForce | Mali-T628 MP6 |
| RAM | N/A | 2 GB | 3 GB |
| Internal Memory | 4 GB/8 GB | 32/64 GB storage | 16/32 GB |
| External Memory | No | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | TFT resistive touchscreen | Super IPS+ LCD capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 65K colors | 16M colors | 16M colors |
| Size | 2.8 inches | 10.1 inches | 10.5 inches |
| Resolution | 480 x 640 pixels (286 ppi) | 1366 x 768 pixels (155 ppi) | 1600 x 2560 pixels (288 ppi) |
| Screen-to-Body Ratio | 48.43% | 62.80% | 72.66% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No | No |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 8 MP, 3264 x 2448 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | No | LED flash | LED flash |
| Features | Auto focus, | Auto focus, Geo-tagging | Auto focus, Geo-tagging |
| Video | Yes, QVGA@15fps | Yes, 1080p@30fps | Yes, 1080p@30fps |
| Front Camera | Yes [Similar] | Yes, 2 MP [Similar] | Yes, 2.1 MP [Similar] |
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| GPRS | Class 10 (4+1/3+2 slots), 32 - 48 kbps | No | No |
| Edge | Class 10, 236.8 kbps | No | No |
| 3G | HSDPA, 7.2 Mbps | - | No |
| Bluetooth | Yes, v2.0 with A2DP | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP, LE |
| Wi-Fi | Wi-Fi 802.11b/g | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, v2.0 | Yes, USB v2.0, USB Host support | Yes, microUSB v2.0 |
| GPS | Yes | Yes | Yes, with A-GPS support and GLONASS |
| Browser | HTTP / WAP 2.0 | HTML5 | HTML5 |
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| Internal | 4 GB/8 GB | 32/64 GB storage, 2 GB RAM | 16/32 GB, 3 GB RAM |
| Expandable Storage | No | microSD, up to 64 GB | microSD, up to 128 GB |
| USB OTG | - | Supported | - |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Standard battery, Li-Ion | Standard battery | Non-removable Li-Ion Battery |
| Capacity | 920 mAh | 25 Wh | 7900 mAh |
| Stand by | - | - | |
| Talk Time | Up to 2 h 48 | Up to 9 h | - |
