Phone Comparison - Karbonn Titanium Octane Plus vs Xiaomi Mi 3 vs Xiaomi Mi 4i
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| Manufacturer | Karbonn | Xiaomi | Xiaomi |
| Announced | March 2014 | September 2013 | April 2015 |
| Status | Available - April 2014 | Available - December 2013 | Available - April 2015 |
| Price | - | - | Rs. 8,999 ($132.34) [Similarly Priced] |
| Colors | Black, White | Various | Black, White, Blue, Yellow, Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
147.3 x 72.6 x 7.6 mm (5.8 x 2.86 x 0.3 in) |
144 x 73.6 x 8.1 mm (5.67 x 2.9 x 0.32 in) |
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in) |
| Weight | - | 145 g (5.11 oz) | 130 g (4.59 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | - | LTE |
| 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 (KitKat) optimized with MIUI version 5 | Android OS, v5.0 (Lollipop) |
| Processor | Octa-core 1.7 GHz, Mediatek MT6592 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 | Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 |
| GPU | Mali-450MP4 | Adreno 330 | Adreno 405 |
| RAM | 2 GB | 2 GB | 2 GB |
| Internal Memory | 16 GB ROM | 16/64 GB | 16/32 GB |
| External Memory | microSD, up to 32 GB | No | No |
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| Type | IPS LCD Capacitive Touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.0 inches | 5.0 inches |
| Resolution | 1080 x 1920 pixels (441 ppi) | 1080 x 1920 pixels (441 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 64.32% | 64.90% | 71.57% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio with Recording | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP, 4616 x 3464 pixels | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | dual-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, Image Stabilization, HDR | Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | 1080p@30fps, HDR | 1080p@30fps |
| Front Camera | Yes, 5 MP, 1080p [Similar] | 2 MP, 1080p@30fps [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA, LTE |
| Bluetooth | Yes, v4.0 | v4.0, A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 (MHL), USB On-the-go | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB ROM, 2 GB RAM | 16/64 GB, 2 GB RAM | 16/32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | No |
| USB OTG | - | Supported | - |
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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 | Non-removable Li-Ion Battery | Li-Po Battery |
| Capacity | 2000 mAh | 3050 mAh | 3120 mAh |
| Stand by | - | Up to 500 h | - |
| Talk Time | - | Up to 4 h | - |
