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| Manufacturer | HTC | HTC | HTC | 
| Announced | March 2014 | September 2014 | May 2015 | 
| Status | Available - March 2014 | Coming Soon - September 2014 | Available - June 2015 | 
| Price | - | - | Rs. 10,879 ($159.99) [Similarly Priced] | 
| Colors | Glacial Silver, Gunmetal Gray, Amber Gold | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang | Marble White, Dovetail gray | 
| Form Factor | Candybar | Candybar | Candybar | 
| Dimension | 146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in) | 157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in) | 157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in) | 
| Weight | 160 g (5.64 oz) | 155 g (5.47 oz) | 154.5 g (5.43.0.18 oz) | 
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | 
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 HSDPA 850 / 1700 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version | HSDPA 850 / 900 / 2100 | 
| 4G Network | LTE 800 / 900 / 1800 / 2600 LTE 700 / 1700 / 2100 LTE 700 / 900 / 1800 / 2100 / 2600 LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600 | LTE 900 / 1800 / 2100 / 2600 - EMEA version | - | 
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail | 
| Build Features | Corning Gorilla Glass 3 | - | - | 
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| OS | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.2 (KitKat) | Android OS | 
| Processor | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801 | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 | Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592 | 
| GPU | Adreno 330 | Adreno 405 | Mali-450MP4 | 
| RAM | 2 GB | 2 GB | 1 GB | 
| Internal Memory | 16/32 GB | 16 GB | 16 GB | 
| External Memory | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 32 GB | 
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| Type | Super LCD3 Capacitive Touchscreen | LCD Capacitive Touchscreen | IPS LCD capacitive touchscreen | 
| Colors | 16M colors | 16M colors | 16M colors | 
| Size | 5.0 inches | 5.5 inches | 5.5 inches | 
| Resolution | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (267 ppi) | 720 x 1280 pixels (267 ppi) | 
| Screen-to-Body Ratio | 66.55% | 67.20% | 67.20% | 
| Multi-Touch |  |  |  | 
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| 3.5mm Jack |  |  |  | 
| Radio | Stereo FM radio with RDS | No | - | 
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable | 
| Loud Speaker |  |  |  | 
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| Rear Camera | Dual 4 MP, 2688х1520 pixels | 13 MP, 4160 x 3120 pixels | 13 MP, 4160 x 3120 pixels | 
| Flash | Dual-LED | LED flash | LED flash | 
| Features | Auto focus, 1/3' Sensor Size, 2µm Pixel Size, Simultaneous HD Video And Image Recording, Geo-tagging, Face And Smile Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | 
| Video | Yes, 1080p@30fps, 720p@60fps, HDR, Stereo Sound Rec., Video Stabilization | 1080p@30fps, 720p@60fps | 1080p@30fps | 
| Front Camera | Yes, 5 MP, 1080p@30fps, HDR [Similar] | 8 MP, 1080p [Similar] | 8 MP, 1080p [Similar] | 
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| GPRS | Yes | Yes | Yes | 
| Edge | Yes | Yes | Yes | 
| 3G | HSDPA, 42 Mbps (21 Mbps - AT&T), HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA | 
| Bluetooth | Yes, v4.0 with A2DP | v4.0, A2DP | v4.0, A2DP | 
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, hotspot | 
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go, USB Host | microUSB v2.0 | microUSB v2.0 | 
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS | 
| Browser | HTML5 | HTML5 | HTML5 | 
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| Internal | 16/32 GB, 2 GB RAM | 16 GB, 2 GB RAM | 16 GB, 1 GB RAM | 
| Expandable Storage | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 32 GB | 
| USB OTG | Supported | - | - | 
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| Fingerprint |  |  |  | 
| Proximity Sensor |  |  |  | 
| Accelerometer Sensor |  |  |  | 
| NFC |  |  |  | 
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| Type | Non-removable Li-Po Battery | Non-removable Li-Po Battery | Non-removable Li-Po Battery | 
| Capacity | 2600 mAh | 2600 mAh | 2600 mAh | 
| Stand by | Up to 271 h (2G) Up to 496 h (3G) | Up to 424 h (3G) | Up to 600 h (2G) Up to 560 h (3G) | 
| Talk Time | Up to 14 h (2G) Up to 20 h (3G) | Up to 22 h 24 min (3G) | Up to 32 h (2G) Up to 12 h (3G) |