Phone Comparison - Samsung Galaxy Axiom R830 vs Sony Xperia Z Ultra vs HTC Desire 820
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| Manufacturer | Samsung | Sony | HTC |
| Announced | November 2012 | June 2013 | September 2014 |
| Status | Released - November 2012 | Available - July 2013 | Coming Soon - September 2014 |
| Colors | Blue | Black, White, Purple | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.7 x 63.8 x 11.9 mm (4.79 x 2.51 x 0.47 in) |
179.4 x 92.2 x 6.5 mm (7.06 x 3.63 x 0.26 in) |
157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in) |
| Weight | 136.1 g (4.8.0.04 oz) | 212 g (7.48 oz) | 155 g (5.47 oz) |
| 2G Network | CDMA 800 / 1700 / 1900 / 2100 | GSM 850 / 900 / 1800 / 1900 - All Versions | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | CDMA2000 1xEV-DO | HSDPA 850 / 900 / 1700 / 1900 / 2100 - All Versions | HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version |
| 4G Network | LTE 700 MHz Class 17 / 850 / 1700 / 1900 / 2100 | LTE 700 / 850 / 1700 / 1900 / 2100 / 2600 / 900 - C6806 | LTE 900 / 1800 / 2100 / 2600 - EMEA version |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - | - IP58 Certified - Dust and Water-proof - Water Resistant up to 1 Meter and 30 Minutes |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | Dual-core 1.2 GHz Krait, Qualcomm | Quad-core 2.2 GHz Krait 400, Qualcomm MSM8274/MSM8974 Snapdragon 800 | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 |
| GPU | - | Adreno 330 | Adreno 405 |
| RAM | 1 GB | 2 GB | 2 GB |
| Internal Memory | 4 GB ROM (1.85 GB user available) | 16 GB | 16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | TFT capacitive touchscreen | Capacitive touchscreen | LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 6.44 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 1080 x 1920 pixels (342 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 58.77% | 69.15% | 67.20% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Stereo FM radio with RDS | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 8 MP, 3264 x 2448 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Sweep Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR |
| Video | Yes, 720p | Yes, 1080p@30fps, video stabilization, HDR | 1080p@30fps, 720p@60fps |
| Front Camera | Yes, 1.3 MP [Similar] | Yes, 2 MP, 1080p@30fps [Similar] | 8 MP, 1080p [Similar] |
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| GPRS | No | Up to 107 kbps | Yes |
| Edge | No | Up to 296 kbps | Yes |
| 3G | EV-DO Rev. A, up to 3.1 Mbps; LTE | 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 |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | 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, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL), USB On-the-go | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB ROM (1.85 GB user available), 1 GB RAM | 16 GB, 2 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 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 | Standard battery, Li-Ion | Non-removable Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 2100 mAh | 3050 mAh | 2600 mAh |
| Stand by | Up to 252 h | Up to 790 h (2G) Up to 820 h (3G) |
Up to 424 h (3G) |
| Talk Time | Up to 8 h | Up to 14 h (2G) Up to 16 h (3G) |
Up to 22 h 24 min (3G) |
