Phone Comparison - Karbonn A19 vs Micromax Canvas Gold A300 vs Samsung Galaxy W
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| Manufacturer | Karbonn | Micromax | Samsung |
| Announced | February 2014 | June 2014 | June 2014 |
| Status | Available - February 2014 | Available - June 2014 | Available - July 2014 |
| Colors | Black, White | Gold, White with Gold, Black with Gold | Black, white, red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - | - |
191.8 x 99.6 x 8.8 mm (7.55 x 3.92 x 0.35 in) |
| Weight | - | - | 245 g (8.64 oz) |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 |
| 3G Network | HSDPA 2100 | HSDPA 2100 | HSDPA 850 / 1900 / 2100 |
| 4G Network | - | - | LTE 850 / 1800 / 2100 / 2600 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v4.3 (Jelly Bean) |
| Processor | Dual-core 1.3 GHz, MTK 6572 | Octa-core 2.0 GHz, Mediatek MT6592 | Quad-core 1.2 GHz |
| GPU | Mali-400 | Mali-450MP4 | - |
| RAM | 512 MB | 2 GB | 1.5 GB |
| Internal Memory | 4 GB ROM | 32 GB (25 GB for mass storage and 1 GB for applications) | 16 GB |
| External Memory | microSD, up to 32 GB | No | microSD, up to 64 GB |
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| Type | TFT Capacitive Touchscreen | IPS LCD Capacitive Touchscreen, OGS | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.5 inches | 7.0 inches |
| Resolution | 480 x 854 pixels (196 ppi) | 1080 x 1920 pixels (401 ppi) | 720 x 1280 pixels (210 ppi) |
| Screen-to-Body Ratio | - | - | 70.58% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio with Recording | FM Radio with Recording | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 16 MP, 4640 x 3480 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization | Auto focus, Geo-tagging |
| Video | Yes, 720p@30fps | Yes, 1080p@30fps | Yes, 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, 5 MP [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps | HSPA+; LTE-A |
| Bluetooth | Yes, v2.0 A2DP, EDR | Yes, v4.0 | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB ROM, 512 MB RAM | 32 GB (25 GB for mass storage and 1 GB for applications), 2 GB R | 16 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | microSD, up to 64 GB |
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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 | Li-Ion Battery | Li-Po Battery | Li-Ion Battery |
| Capacity | 1600 mAh | 2300 mAh | 3200 mAh |
| Stand by | - | Up to 210 h | - |
| Talk Time | - | Up to 8 h | Up to 21 h (3G) |
