Phone Comparison - Acer Liquid S2 vs Samsung Galaxy Round G910S vs LG G Flex
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| Manufacturer | Acer | Samsung | LG |
| Announced | August 2013 | October 2013 | October 2013 |
| Status | Available - December 2013 | Available - October 2013 | Available - November 2013 |
| Colors | Black, Red | Luxury Brown | Titan Silver |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
166 x 86 x 8.99 mm (6.54 x 3.39 x 0.35 in) |
151.1 x 79.6 x 7.9 mm (5.95 x 3.13 x 0.31 in) |
160.5 x 81.6 x 7.9 - 8.7 mm (6.32 x 3.21 x 0.31 - 0.34 in) |
| Weight | 231 g (8.15 oz) | 154 g (5.43 oz) | 177 g (6.24 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 |
| 4G Network | LTE 800 / 1800 / 2600 | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 | LTE 850 / 1800 LTE-A |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | Curved Display | Self-healing coating on the back |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.3 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Quad-core 2.2 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Quad-core 2.3 GHz Krait 400, Qualcomm Snapdragon 800 | Quad-core 2.26 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 |
| GPU | Adreno 330 | Adreno 330 | Adreno 330 |
| RAM | 2 GB | 3 GB | 2 GB |
| Internal Memory | 16 GB | 32 GB storage | 32 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 64 GB | No |
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| Type | IPS LCD capacitive touchscreen | Super Flexible AMOLED capacitive touchscreen | Curved P-OLED (Real RGB) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.0 inches | 5.7 inches | 6.0 inches |
| Resolution | 1080 x 1920 pixels (367 ppi) | 1080 x 1920 pixels (386 ppi) | 720 x 1280 pixels (245 ppi) |
| Screen-to-Body Ratio | 69.58% | 74.65% | 75.63% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | No | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, autofocus | 13 MP, 4128 x 3096 pixels | 13 MP, autofocus |
| Flash | LED Ring Flash | LED flash | LED flash |
| Features | Geo-tagging, 27 MP Panorama Photos | Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, Panorama, HDR | Simultaneous Video And Image Recording, Geo-tagging, Face Detection, HDR |
| Video | Yes, 4K@30fps, 1080p@60fps | Yes, 2160p@30fps, 1080p@60fps | Yes, 1080p@60fps, HDR, stereo sound rec., video stabilization |
| Front Camera | Yes, 2 MP, 1080p@30fps [Similar] | Yes, 2 MP, 1080p@30fps [Similar] | Yes, 2.1 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps |
| Edge | Yes | Yes | Class 12 |
| 3G | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE-A, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, 42 Mbps; HSUPA, 21 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP, LE, EDR | Yes, v4.0 with A2DP, LE |
| 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, dual-band, DLNA, Wi-Fi Direct, 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 v3.0 (MHL 2), USB Host | Yes, microUSB v2.0 (SlimPort), USB On-the-go, USB Host |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 32 GB storage, 3 GB RAM | 32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 64 GB | No |
| 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 | Li-Po Battery | Li-Ion Battery | Non-removable Li-Po battery |
| Capacity | 3300 mAh | 2800 mAh | 3500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
