Phone Comparison - Sony Xperia Z Ultra vs OPPO Neo R831K vs Samsung Galaxy E7
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| Manufacturer | Sony | Oppo | Samsung |
| Announced | June 2013 | August 2014 | January 2015 |
| Status | Available - July 2013 | Available - August 2014 | Available - Feburary 2015 |
| Price | - | - | Rs. 17,400 ($255.88) [Similarly Priced] |
| Colors | Black, White, Purple | White, Black | Black, White, Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
179.4 x 92.2 x 6.5 mm (7.06 x 3.63 x 0.26 in) |
132 x 65.8 x 9.2 mm (5.2 x 2.59 x 0.36 in) |
151.4 x 77.2 x 7.3 mm (5.96 x 3.04 x 0.29 in) |
| Weight | 212 g (7.48 oz) | 130 g (4.59 oz) | 141 g (4.97 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - All Versions | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) |
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 - All Versions | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 700 / 850 / 1700 / 1900 / 2100 / 2600 / 900 - C6806 | - | - |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
| Build Features | - IP58 Certified - Dust and Water-proof - Water Resistant up to 1 Meter and 30 Minutes |
- | - |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) based Color OS | Android OS, v4.4.4 (KitKat) |
| Processor | Quad-core 2.2 GHz Krait 400, Qualcomm MSM8274/MSM8974 Snapdragon 800 | Dual-core 1.3 GHz | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 |
| GPU | Adreno 330 | - | Adreno 306 |
| RAM | 2 GB | 1 GB | 2 GB |
| Internal Memory | 16 GB | 4 GB | 16 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 128 GB |
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| Type | Capacitive touchscreen | IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.44 inches | 4.5 inches | 5.5 inches |
| Resolution | 1080 x 1920 pixels (342 ppi) | 480 x 854 pixels (218 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 69.15% | 64.07% | 71.36% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 5 MP, 2592 x 1944 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED Flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Sweep Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama |
| Video | Yes, 1080p@30fps, video stabilization, HDR | Yes | 1080p@30fps |
| Front Camera | Yes, 2 MP, 1080p@30fps [Similar] | Yes, 2 MP [Similar] | 5 MP [Similar] |
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| GPRS | Up to 107 kbps | Yes | Yes |
| Edge | Up to 296 kbps | Yes | Yes |
| 3G | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA+ | HSPA 42.2/5.76 Mbps |
| Bluetooth | Yes, v4.0 with A2DP | v2.1, A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Yes |
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 4 GB, 1 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 128 GB |
| 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 | Non-removable Li-Ion Battery | Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 3050 mAh | 1900 mAh | 2950 mAh |
| Stand by | Up to 790 h (2G) Up to 820 h (3G) |
- | - |
| Talk Time | Up to 14 h (2G) Up to 16 h (3G) |
- | Up to 19 h (3G) |
