Phone Comparison - Samsung Galaxy Star Pro S7262 vs Karbonn A90 vs Microsoft Lumia 540 Dual SIM
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| Manufacturer | Samsung | Karbonn | Microsoft |
| Announced | October 2013 | October 2013 | April 2015 |
| Status | Available - October 2013 | Available - October 2013 | Available - May 2015 |
| Price | - | - | Rs. 8,100 ($119.12) [Similarly Priced] |
| Colors | White, Gray | White/Black | Orange, white, black, cyan |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.2 x 62.7 x 10.6 cm (4.77 x 2.47 x 0.42 cm) |
- |
144 x 73.7 x 9.4 mm (5.67 x 2.9 x 0.37 in) |
| Weight | 121 g (4.27 oz) | - | 152 g (5.36 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | No | No | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Android OS, v4.0 (Ice Cream Sandwich) | Microsoft Windows Phone 8.1 with Lumia Denim |
| Processor | 1 GHz Cortex-A5 | 1 GHz | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 200 |
| GPU | - | - | Adreno 302 |
| RAM | 512 MB | 512 MB | 1 GB |
| Internal Memory | 4 GB ROM | 512 MB ROM | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 256K colors | 16M colors |
| Size | 4.0 inches | 4.0 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 60.05% | - | 64.82% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS, FM recording | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 2 MP, 1600x1200 pixels | 5 MP, 2592x1944 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | No | LED flash | LED flash |
| Features | Fixed Focus, Geo-tagging | - | Auto focus, Sensor size: 1/4 inch, f/2.2 aperture |
| Video | Yes | Yes | 480p@30fps |
| Front Camera | No [Similar] | Yes [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Up to 236 kbps |
| 3G | No | No | HSPA 42.2/5.76 Mbps |
| Bluetooth | Yes | Yes | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes | microUSB v2.0 |
| GPS | No | No | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML | HTML5 |
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| Internal | 4 GB ROM, 512 MB RAM | 512 MB ROM, 512 MB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 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-Ion Battery | Li-Ion Battery |
| Capacity | 1500 mAh | 1400 mAh | 2200 mAh |
| Stand by | Up to 350 h | - | Up to 576 h |
| Talk Time | Up to 15 h | - | Up to 26.2 h (2G) Up to 14.8 h (3G) |
