Phone Comparison - Samsung Galaxy Nexus vs Lava Iris 455 vs Karbonn A27 Plus
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| Manufacturer | Samsung | Lava | Karbonn |
| Announced | October 2011 | April 2013 | March 2013 |
| Status | Available - November 2011 | Available - April 2013 | Available - March 2013 |
| Colors | Black | Black | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
135.5 x 67.9 x 8.9 mm (5.33 x 2.67 x 0.35 in) |
137 x 68.5 x 9.92 mm (5.39 x 2.7 x 0.39 in) |
124 x 76 x 10 mm (4.88 x 2.99 x 0.39 in) |
| Weight | 135 g (4.76 oz) | 120 g (4.23 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 2100 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 2100 |
| 4G Network | LTE 700 (region specific) | - | - |
| Messaging | SMS, MMS, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.1 (Jelly Bean) | Android OS, v4.1 (Jelly Bean) |
| Processor | Dual-core 1.2GHz Cortex-A9 CPU, TI OMAP 4460 chipset | Dual-core 1 GHz | Dual-core 1.2 GHz |
| GPU | No | - | - |
| RAM | 1 GB | 512 MB | 512 MB |
| Internal Memory | 16/32 GB storage | 4 GB | 4 GB |
| External Memory | No | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | Super AMOLED capacitive touchscreen | LCD capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.65 inches | 4.5 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (316 ppi) | 540 x 960 pixels (245 ppi) | 540 x 960 pixels (220 ppi) |
| Screen-to-Body Ratio | 64.72% | 59.37% | 73.32% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Stereo FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1936 pixels | 5 MP, 2592х1944 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | Yes | LED flash |
| Features | Auto focus, Touch Focus, Geo-tagging, Face Detection | Auto focus, Geo-tagging | Auto focus, Geo-tagging |
| Video | Yes, 1080p@30fps | Yes | Yes |
| Front Camera | Yes, 1.3 MP [Similar] | Yes [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE | HSDPA, HSUPA | HSDPA 7.2 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP | Yes |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB | Yes, microUSB v2.0 | Yes |
| GPS | Yes, with A-GPS support, barometer sensor | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML | HTML | HTML5 |
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| Internal | 16/32GB storage, 1 GB RAM | 4 GB, 512 MB RAM | 4 GB, 512 MB RAM |
| Expandable Storage | No | microSD, up to 32 GB | microSD, up to 32 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 | Standard battery, Li-Ion | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1750 mAh | 1500 mAh | 2000 mAh |
| Stand by | Up to 290 h (2G) Up to 270 h (3G) |
Up to 480 h | Up to 400 h |
| Talk Time | Up to 17 h 40 min (2G) Up to 8 h 20 min (3G) |
Up to 6 h | Up to 6 h |
