Phone Comparison - Acer Iconia Tab B1-A71 vs HTC One M8 vs Sony Xperia Z3 Tablet Compact
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| Manufacturer | Acer | HTC | Sony |
| Announced | January 2013 | March 2014 | September 2014 |
| Status | Available - January 2013 | Available - March 2014 | Available - November 2014 |
| Colors | Black | Glacial Silver, Gunmetal Gray, Amber Gold | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
197.4 x 128.5 x 11.3 mm (7.77 x 5.06 x 0.44 in) |
146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in) |
213.4 x 123.6 x 6.4 mm (8.4 x 4.87 x 0.25 in) |
| Weight | 320 g (11.29 oz) | 160 g (5.64 oz) | 270 g (9.52 oz) |
| 2G Network | N/A | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - D6502, D6503, D6543 |
| 3G Network | - | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 HSDPA 850 / 1700 / 1900 / 2100 |
HSDPA 850 / 900 / 1700 / 1900 / 2100 - D6502, D6503, D6543 |
| 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 700/800/850/900/1700/1800/1900/2100/2600 - D6503 |
| Messaging | , Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | Corning Gorilla Glass 3 | IP68 Certified - Dust Tight and Water Resistant over 1 Meter and 30 Minutes |
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| OS | Android OS, v4.1 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.2 (KitKat) |
| Processor | Dual-core 1.2 GHz, Mediatek MT8317 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801 | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801 |
| GPU | PowerVR SGX531u | Adreno 330 | Adreno 330 |
| RAM | 512 MB | 2 GB | 3 GB |
| Internal Memory | 8/16 GB | 16/32 GB | 16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 128 GB |
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| Type | TFT capacitive touchscreen | Super LCD3 Capacitive Touchscreen | TFT LCD Capacitive Touchscreen, Triluminos display, X-Reality Engine |
| Colors | 256K colors | 16M colors | 16M colors |
| Size | 7.0 inches | 5.0 inches | 8.0 inches |
| Resolution | 600 x 1024 pixels (170 ppi) | 1080 x 1920 pixels (441 ppi) | 1200 x 1920 pixels (283 ppi) |
| Screen-to-Body Ratio | 54.07% | 66.55% | 70.37% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Stereo FM radio with RDS | FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | VGA, 640x480 pixels | Dual 4 MP, 2688х1520 pixels | 8.1 MP, 3264 x 2448 pixels |
| Flash | No | Dual-LED | No |
| 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, Image Stabilization, HDR, Panorama |
| Video | Yes | Yes, 1080p@30fps, 720p@60fps, HDR, Stereo Sound Rec., Video Stabilization | 1080p@30fps |
| Front Camera | No [Similar] | Yes, 5 MP, 1080p@30fps, HDR [Similar] | 2.2 MP, 1080p@30fps [Similar] |
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| GPRS | No | Yes | Up to 107 kbps |
| Edge | No | Yes | Up to 296 kbps |
| 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 |
| Bluetooth | Yes, v4.0 | Yes, v4.0 with A2DP | v4.0, A2DP, LE, apt-X |
| Wi-Fi | Wi-Fi 802.11 b/g/n | 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, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL), USB On-the-go, USB Host | microUSB v2.0 (MHL 3), USB On-the-go, USB Host |
| GPS | Yes | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8/16 GB, 512 MB RAM | 16/32 GB, 2 GB RAM | 16 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 128 GB |
| USB OTG | - | 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-Po Battery | Non-removable Li-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 2710 mAh | 2600 mAh | 4500 mAh |
| Stand by | - | Up to 271 h (2G) Up to 496 h (3G) |
Up to 1100 h (2G) Up to 1300 h (3G) |
| Talk Time | - | Up to 14 h (2G) Up to 20 h (3G) |
Up to 19 h (2G) Up to 23 h (3G) |
