Phone Comparison - Acer Liquid S1 vs Acer Liquid S2 vs Lenovo S820
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| Manufacturer | Acer | Acer | Lenovo |
| Announced | June 2013 | August 2013 | May 2013 |
| Status | Coming Soon - Q3 2013 | Available - December 2013 | Available - May 2013 |
| Colors | Black | Black, Red | Flamingo red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
166 x 86 x 8.99 mm (6.54 x 3.39 x 0.35 in) |
139.5 x 69.7 x 9 mm (5.49 x 2.74 x 0.35 in) |
| Weight | 195 g (6.88 oz) | 231 g (8.15 oz) | 143 g (5.04 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | - | LTE 800 / 1800 / 2600 | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | Quad-core 1.5 GHz Cortex A-7, MTK 6589 | Quad-core 2.2 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Quad-core 1.2 GHz, MTK 6589W |
| GPU | PowerVR SGX 544MP | Adreno 330 | PowerVR SGX544 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 8 GB storage | 16 GB | 4 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.7 inches | 6.0 inches | 4.7 inches |
| Resolution | 720 x 1280 pixels (258 ppi) | 1080 x 1920 pixels (367 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | - | 69.58% | 62.82% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | Stereo FM radio with RDS | FM radio; built-in antenna |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 13 MP, autofocus | 12 MP, 4000 x 3000 pixels |
| Flash | LED flash | LED Ring Flash | LED flash |
| Features | Auto-focus, Geo tagging | Geo-tagging, 27 MP Panorama Photos | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes | Yes, 4K@30fps, 1080p@60fps | Yes |
| Front Camera | Yes [Similar] | Yes, 2 MP, 1080p@30fps [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE-A, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, HSUPA |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, 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 |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML5 | HTML5 | HTML |
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| Internal | 8 GB storage, 1 GB RAM | 16 GB, 2 GB RAM | 4 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 32 GB |
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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 | Li-Ion Battery | Li-Po Battery | Li-Po Battery |
| Capacity | 2400 mAh | 3300 mAh | 2000 mAh |
| Stand by | - | - | Up to 140 h (2G) Up to 140 h (3G) |
| Talk Time | - | - | Up to 22 h (2G) Up to 10 h (3G) |
