Phone Comparison - Karbonn Titanium Octane Plus vs Samsung Galaxy Core 2 Duos vs Panasonic P81
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| Manufacturer | Karbonn | Samsung | Panasonic |
| Announced | March 2014 | June 2014 | June 2014 |
| Status | Available - April 2014 | Available - July 2014 | Available - June 2014 |
| Colors | Black, White | White, Black | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
147.3 x 72.6 x 7.6 mm (5.8 x 2.86 x 0.3 in) |
130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
7.9 mm thickness (0.31 in thickness) |
| Weight | - | 138 g (4.87 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA 900 / 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.4 (KitKat) | Android OS, v4.4.2 (KitKat) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Octa-core 1.7 GHz, Mediatek MT6592 | Quad-core 1.2 GHz | Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592 |
| GPU | Mali-450MP4 | - | Mali-450MP4 |
| RAM | 2 GB | 768 MB | 1 GB |
| Internal Memory | 16 GB ROM | 4 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | IPS LCD Capacitive Touchscreen | TFT capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 4.5 inches | 5.5 inches |
| Resolution | 1080 x 1920 pixels (441 ppi) | 480 x 800 pixels (207 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 64.32% | 65.25% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio with Recording | FM Radio | FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP, 4616 x 3464 pixels | 5 MP, 2592 х 1944 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection | Auto focus, Geo-tagging |
| Video | Yes, 1080p@30fps | Yes | Yes, 1080p@30fps |
| Front Camera | Yes, 5 MP, 1080p [Similar] | Yes, VGA [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v4.0 | Yes, v4.0 with A2DP | Yes, v3.0 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 b/g/n, 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 and GLONASS | Yes, with A-GPS support |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 16 GB ROM, 2 GB RAM | 4 GB, 768 MB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 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 | Li-Po battery | Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 2000 mAh | 2000 mAh | 2500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
