Comparison of Celkon Millennia OCTA510 and Karbonn A27 Retina [S]ave
| Attribute |  Celkon Millennia OCTA510 × |  Karbonn A27 Retina × |
|---|---|---|
| General | ||
| Brand | Celkon | Karbonn |
| Launch | ||
| Announced | 2015-01-01 | 2013-03-01 |
| Body | ||
| Width (mm) | 9.1 | 9.1 |
| Length (mm) | 143.5 | 133.6 |
| Height (mm) | 71 | 66 |
| Weight (g) | 136 | 126.5 |
| SIM | Dual SIM | Dual SIM (Mini-SIM) |
| 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 4.4.2 (KitKat) | Android 4.1 (Jelly Bean) |
| Chipset | Mediatek MT6592M (28 nm) | - |
| CPU | Octa-core 1.4 GHz Cortex-A7 | Dual-core 1.2 GHz |
| GPU | Mali-450MP4 | - |
| Memory | ||
| Card slot | microSDHC | microSDHC (dedicated slot) |
| Internal |
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| Display | ||
| Size (in) | 5 | 4.3 |
| Resolution (px) | 720 x 1280 | 540 x 960 |
| Display Type | IPS LCD | IPS LCD |
| Battery | ||
| Type | Li-Ion | Li-Ion |
| Capcity (mAh) | 2000 | 1800 |
| Main Camera | ||
| Main Camera Type | Single | Single |
| Main Camera Properties |
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| Main Camera Video | 720p | Yes |
| Main Camera Features | Dual-LED flash | LED flash |
| Selfie Camera | ||
| Selfie Camera Type | Single | Single |
| Selfie Camera Properties |
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| Comms | ||
| WLAN | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth | 4.0, A2DP | Yes |
| GPS | + | + |
| NFC | - | - |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0, USB On-The-Go | Proprietary |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | + | + |
| Features | ||
| Sensors |
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| Misc | ||
| Colors |
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| SAR EU Head (W/kg) | - | 1 |
| Stand-by (h) | - | 180 |
| Talk time (h) | - | Up to 4 h |
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