Comparison of Allview Viper E and Karbonn A27 Retina [S]ave
| Attribute |  Karbonn A27 Retina × |  Allview Viper E × |
|---|---|---|
| General | ||
| Brand | Karbonn | Allview |
| Launch | ||
| Announced | 2013-03-01 | 2014-09-01 |
| Body | ||
| Width (mm) | 9.1 | 7.8 |
| Length (mm) | 133.6 | 131 |
| Height (mm) | 66 | 65 |
| Weight (g) | 126.5 | 122.5 |
| SIM | Dual SIM (Mini-SIM) | Dual SIM (Micro-SIM, dual stand-by) |
| Network | ||
| Technology |
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| 2G bands |
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| 3G bands |
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| Speed |
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| Platform | ||
| OS | Android 4.1 (Jelly Bean) | Android 5.0 (Lollipop) |
| Chipset | - | Mediatek MT6582 (28 nm) |
| CPU | Dual-core 1.2 GHz | Quad-core 1.3 GHz Cortex-A7 |
| GPU | - | Mali-400MP2 |
| Memory | ||
| Card slot | microSDHC (dedicated slot) | microSDHC |
| Internal |
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| Display | ||
| Size (in) | 4.3 | 4.5 |
| Resolution (px) | 540 x 960 | 480 x 854 |
| Protection | - | Asahi Dragontrail Glass |
| Display Type | IPS LCD | IPS LCD |
| Battery | ||
| Type | Li-Ion | Li-Ion |
| Capcity (mAh) | 1800 | 1800 |
| Main Camera | ||
| Main Camera Type | Single | Single |
| Main Camera Properties |
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| Main Camera Video | Yes | 1080p@30fps |
| Main Camera Features | LED flash | LED flash, HDR |
| Selfie Camera | ||
| Selfie Camera Type | Single | Single |
| Selfie Camera Properties |
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| Comms | ||
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n |
| Bluetooth | Yes | 4.0, A2DP, EDR |
| GPS | + | + |
| NFC | - | - |
| Radio | FM radio | FM radio |
| USB | Proprietary | microUSB 2.0 |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | + | + |
| Features | ||
| Sensors |
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| Misc | ||
| Colors |
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| SAR EU Head (W/kg) | 1 | 0.84 |
| Stand-by (h) | 180 | 225 |
| Talk time (h) | Up to 4 h | Up to 9 h 15 min |
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