Phone Comparison - Acer Iconia Tab B1-A71 vs Lenovo IdeaTab A3000 vs Samsung Galaxy S Duos 2 S7582
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| Manufacturer | Acer | Lenovo | Samsung |
| Announced | January 2013 | January 2013 | November 2013 |
| Status | Available - January 2013 | Available - May 2013 | Available - November 2013 |
| Colors | Black | Black, White | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
197.4 x 128.5 x 11.3 mm (7.77 x 5.06 x 0.44 in) |
194 x 120 x 11 mm (7.64 x 4.72 x 0.43 in) |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
| Weight | 320 g (11.29 oz) | 339 g (11.96 oz) | 118 g (4.16 oz) |
| 2G Network | N/A | GSM 850 / 900 / 1800 / 1900 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | - | HSDPA (optional) | HSDPA 900 / 2100 |
| 4G Network | - | - | - |
| Messaging | , Push Mail, EMail, IM | , Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.1 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | Dual-core 1.2 GHz, Mediatek MT8317 | Quad-core 1.2 GHz Cortex-A7, MTK 8125 | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 |
| GPU | PowerVR SGX531u | - | Broadcom VideoCore IV |
| RAM | 512 MB | 1 GB | 768 MB |
| Internal Memory | 8/16 GB | 16 GB | 4 GB (1.9 GB user available) |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | TFT Capacitive Touchscreen, PLS |
| Colors | 256K colors | 16M colors | 16M colors |
| Size | 7.0 inches | 7.0 inches | 4.0 inches |
| Resolution | 600 x 1024 pixels (170 ppi) | 600 x 1024 pixels (170 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 54.07% | 58.92% | 59.52% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | VGA, 640x480 pixels | 5 MP, 2592х1936 pixels | 5 MP, 2592х1944 pixels |
| Flash | No | No | LED flash |
| Features | - | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging |
| Video | Yes | Yes | Yes, 720p@30fps |
| Front Camera | No [Similar] | Yes, VGA [Similar] | Yes, VGA [Similar] |
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| GPRS | No | No | Yes |
| Edge | No | No | Yes |
| 3G | - | HSPA+ | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v4.0 | Yes, v4.0 | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 |
| GPS | Yes | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8/16 GB, 512 MB RAM | 16 GB, 1 GB RAM | 4 GB (1.9 GB user available), 768 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 32 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-Po Battery | Non-removable Li-Po Battery | Standard battery, Li-Ion |
| Capacity | 2710 mAh | 3500 mAh | 1500 mAh |
| Stand by | - | Up to 336 h | Up to 280 h (3G) |
| Talk Time | - | Up to 8 h | Up to 8 h (3G) |
