Phone Comparison - Samsung Galaxy Express vs Karbonn A21
Samsung Galaxy Express.jpg)
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Karbonn A21.jpg)
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| Manufacturer | Samsung | Karbonn |
| Announced | January 2013 | 2012 |
| Status | Available - March 2013 | Available |
| Colors | White | Pearl White |
| Form Factor | Candybar | Candybar |
| Dimension |
132.2 x 69.1 x 9.3 mm (5.2 x 2.72 x 0.37 in) |
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| Weight | 139.1 g (4.9.0.04 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 2100 |
| 4G Network | LTE 800 / 900 / 1800 / 2600 | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.1 (Jelly Bean) | Android OS, v4.0 (Ice Cream Sandwich) |
| Processor | Dual-core 1.2 GHz [Similar] | Dual-core 1.2 GHz [Similar] |
| GPU | - | - |
| RAM | 1 GB [Browse Similar] | 512 MB [Browse Similar] |
| Internal Memory | 8 GB storage | 4 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 256K colors |
| Size | 4.5 inches [Similar] | 4.5 inches [Similar] |
| Resolution | 480 x 800 pixels (207 ppi) [Similar] | 480 x 800 pixels (207 ppi) [Similar] |
| Screen-to-Body Ratio | 63.29% | - |
| Multi-Touch |  |
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| Radio | Stereo FM radio with RDS, FM r | No |
| Games | Yes + Downloadable | Yes + Downloadable |
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| Rear Camera | 5 MP, 2592х1944 pixels [Similar] | 5 MP, 2592х1944 pixels [Similar] |
| Flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Face Detection |
| Video | Yes, 720p@30fps | Yes |
| Front Camera | Yes, 1.3 MP, 720p@30fps [Similar] | Yes, 1.3 MP [Similar] |
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| GPRS | Yes | Yes |
| Edge | Yes | Yes |
| 3G | HSPA, LTE | HSDPA, 7.2 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, EDR | Yes, v2.1 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, 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 | 8 GB storage, 1 GB RAM | 4 GB, 512 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 2000 mAh | 1800 mAh |
| Stand by | Up to 830 h (2G) Up to 770 h (3G) |
Up to 200 h |
| Talk Time | Up to 22 h 30 min (2G) Up to 11 h 30 min (3G) |
Up to 5 h |
