Phone Comparison - Sony Xperia Z Ultra vs Sony Xperia Z2a vs Xiaomi Mi Pad 7.9
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| Manufacturer | Sony | Sony | Xiaomi |
| Announced | June 2013 | June 2014 | March 2014 |
| Status | Available - July 2013 | Coming Soon - July 2014 | Available - June 2014 |
| Colors | Black, White, Purple | Black, White, Turquoise | Blue, Green, Yellow, Pink, White, Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
179.4 x 92.2 x 6.5 mm (7.06 x 3.63 x 0.26 in) |
137 x 72 x 11 mm (5.39 x 2.83 x 0.43 in) |
202 x 135.4 x 8.5 mm (7.95 x 5.33 x 0.33 in) |
| Weight | 212 g (7.48 oz) | 163 g (5.75 oz) | 360 g (12.7 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - All Versions | GSM 850 / 900 / 1800 / 1900 | No |
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 - All Versions | HSDPA 850 / 900 / 1900 / 2100 | No |
| 4G Network | LTE 700 / 850 / 1700 / 1900 / 2100 / 2600 / 900 - C6806 | LTE 700 / 850 / 900 / 1800 / 1900 / 2100 / 2600 | - |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | , EMail, IM |
| Build Features | - IP58 Certified - Dust and Water-proof - Water Resistant up to 1 Meter and 30 Minutes |
- IP58 Certified - Dust Proof and Water Resistant over 1 Meter and 30 Minutes | - |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v4.4 (KitKat) |
| Processor | Quad-core 2.2 GHz Krait 400, Qualcomm MSM8274/MSM8974 Snapdragon 800 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801 | Quad-core 2.2 GHz Cortex-A15, Nvidia Tegra K1 |
| GPU | Adreno 330 | Adreno 330 | ULP GeForce Kepler (192 cores) |
| RAM | 2 GB | 3 GB | 2 GB |
| Internal Memory | 16 GB | 16 GB | 16/64 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 128 GB | microSD, up to 128 GB |
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| Type | Capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.44 inches | 5.0 inches | 7.9 inches |
| Resolution | 1080 x 1920 pixels (342 ppi) | 1080 x 1920 pixels (441 ppi) | 1536 x 2048 pixels (324 ppi) |
| Screen-to-Body Ratio | 69.15% | 69.74% | 70.69% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio with RDS | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 20.7 MP, 5248 х 3936 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | No |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Sweep Panorama | Auto focus, 1/2.3' Sensor Size, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Panorama | - |
| Video | Yes, 1080p@30fps, video stabilization, HDR | Yes, 2160p@30fps, 1080p@60fps, 720p@120fps, video stabilization, HDR | 1080p |
| Front Camera | Yes, 2 MP, 1080p@30fps [Similar] | Yes, VGA [Similar] | 5 MP [Similar] |
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| GPRS | Up to 107 kbps | Up to 107 kbps | No |
| Edge | Up to 296 kbps | Up to 296 kbps | No |
| 3G | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | No |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP | v4.0 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go | Yes, microUSB v2.0 (MHL 3), USB On-the-go, USB Host | microUSB v2.0, USB On-the-go |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS | No |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 16 GB, 3 GB RAM | 16/64 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 128 GB | microSD, up to 128 GB |
| USB OTG | Supported | Supported | 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 | Non-removable Li-Ion Battery | Li-Po Battery |
| Capacity | 3050 mAh | 3000 mAh | 6700 mAh |
| Stand by | Up to 790 h (2G) Up to 820 h (3G) |
Up to 690 h (2G) Up to 740 h (3G) |
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| Talk Time | Up to 14 h (2G) Up to 16 h (3G) |
Up to 15 h (2G) Up to 19 h (3G) |
Up to 11 h (multimedia) |
