Phone Comparison - Asus Padfone vs Karbonn A21
Asus Padfone.jpg)
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Karbonn A21.jpg)
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| Manufacturer | Asus | Karbonn |
| Announced | February 2012 | 2012 |
| Status | Available - July 2012 | Available |
| Colors | Black | Pearl White |
| Form Factor | Candybar | Candybar |
| Dimension |
128 x 65.4 x 9.2 mm (5.04 x 2.57 x 0.36 in) |
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| Weight | 129 g (4.55 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich), upgradeable to 4.1 (Jelly Bean) | Android OS, v4.0 (Ice Cream Sandwich) |
| Processor | Dual-core 1.5 GHz Krait, Qualcomm MSM8260A Snapdragon [Similar] | Dual-core 1.2 GHz [Similar] |
| GPU | Adreno 225 [Similar] | - |
| RAM | 1 GB [Browse Similar] | 512 MB [Browse Similar] |
| Internal Memory | 16/32/64 GB storage | 4 GB |
| External Memory | microSD, up to 32GB | microSD, up to 32 GB |
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| Type | Capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 256K colors |
| Size | 4.3 inches [Similar] | 4.5 inches [Similar] |
| Resolution | 540 x 960 pixels (256 ppi) [Similar] | 480 x 800 pixels (207 ppi) [Similar] |
| Screen-to-Body Ratio | 60.96% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No |
| Games | Yes | Yes + Downloadable |
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| Rear Camera | 5 MP, 2592x1944 pixels [Similar] | 5 MP, 2592х1944 pixels [Similar] |
| Flash | No | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Face Detection |
| Video | Yes | Yes |
| Front Camera | Yes [Similar] | Yes, 1.3 MP [Similar] |
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| GPRS | Yes | Yes |
| Edge | Yes | Yes |
| 3G | HSDPA, HSUPA | HSDPA, 7.2 Mbps |
| Bluetooth | Yes, v2.1 with A2DP | Yes, v2.1 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes, v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML, Adobe Flash | HTML |
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| Internal | 16/32/64 GB storage, 1 GB RAM | 4 GB, 512 MB RAM |
| Expandable Storage | microSD, up to 32GB | microSD, up to 32 GB |
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| Type | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 1520 mAh | 1800 mAh |
| Stand by | Up to 360 h (2G) Up to 370 h (3G) |
Up to 200 h |
| Talk Time | Up to 15 h 40 min (2G) Up to 8 h (3G) |
Up to 5 h |
