Phone Comparison - Sony Xperia T LTE vs Karbonn A21
Sony Xperia T LTE.jpg)
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Karbonn A21.jpg)
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| Manufacturer | Sony | Karbonn |
| Announced | October 2012 | 2012 |
| Status | Available - November 2012 | Available |
| Colors | Black, White, Silver | Pearl White |
| Form Factor | Candybar | Candybar |
| Dimension |
129.4 x 67.3 x 9.4 mm (5.09 x 2.65 x 0.37 in) |
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| Weight | 148 g (5.22 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 - LT30at HSDPA 850 / 1700 / 1900 / 2100 - LT30a |
HSDPA 2100 |
| 4G Network | LTE 700 MHz Class 17 / 1700 / 2100 - LT30at | - |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.0 (Ice Cream Sandwich) |
| Processor | Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon [Similar] | Dual-core 1.2 GHz [Similar] |
| GPU | Adreno 225 [Similar] | - |
| RAM | 1 GB [Browse Similar] | 512 MB [Browse Similar] |
| Internal Memory | 16 GB | 4 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 256K colors |
| Size | 4.55 inches [Similar] | 4.5 inches [Similar] |
| Resolution | 720 x 1280 pixels (323 ppi) [Similar] | 480 x 800 pixels (207 ppi) [Similar] |
| Screen-to-Body Ratio | 65.44% | - |
| Multi-Touch |  |
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| Radio | Stereo FM radio with RDS | No |
| Games | Yes + Downloadable | Yes + Downloadable |
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| Rear Camera | 13 MP, 4128x3096 pixels [Similar] | 5 MP, 2592х1944 pixels [Similar] |
| Flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Image Stabilization | Auto focus, Geo-tagging, Face Detection |
| Video | Yes, 1080p@30fps, continuous autofocus, video light, video stabilizer | Yes |
| Front Camera | Yes, 1.3 MP, 720p@30fps [Similar] | Yes, 1.3 MP [Similar] |
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| GPRS | Up to 70.4 kbps | Yes |
| Edge | Up to 236.8 kbps | Yes |
| 3G | HSDPA, 42.2 Mbps, HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL | HSDPA, 7.2 Mbps |
| Bluetooth | Yes, v3.1 with A2DP | Yes, v2.1 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes, microUSB v2.0 (MHL) | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML5 | HTML |
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| Internal | 16 GB, 1 GB RAM | 4 GB, 512 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Type | Non-removable Li-Ion Battery | Li-Ion Battery |
| Capacity | 1850 mAh | 1800 mAh |
| Stand by | Up to 450 h | Up to 200 h |
| Talk Time | Up to 7 h | Up to 5 h |
