Phone Comparison - Acer Liquid E2 Duo vs Acer Liquid S1 vs Nokia Lumia 630 Dual SIM
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| Manufacturer | Acer | Acer | Nokia |
| Announced | April 2013 | June 2013 | April 2014 |
| Status | Coming Soon - May 2013 | Coming Soon - Q3 2013 | Available - May 2014 |
| Colors | Black, White | Black | Green, yellow, white, black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
131 x 68 x 9.9 mm (5.16 x 2.68 x 0.39 in) |
- |
129.5 x 66.7 x 9.2 mm (5.1 x 2.63 x 0.36 in) |
| Weight | 140 g (4.94 oz) | 195 g (6.88 oz) | 134 g (4.73 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.2.1 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Microsoft Windows Phone 8.1 |
| Processor | Quad-core 1.2 GHz Cortex-A7, MTK 6589 | Quad-core 1.5 GHz Cortex A-7, MTK 6589 | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 |
| GPU | PowerVR SGX 544MP | PowerVR SGX 544MP | - |
| RAM | 1 GB | 1 GB | 512 MB |
| Internal Memory | 4 GB | 8 GB storage | 8 GB ROM |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 GB |
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| Type | IPS LCD capacitive touchscreen | TFT capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 5.7 inches | 4.5 inches |
| Resolution | 540 x 960 pixels (245 ppi) | 720 x 1280 pixels (258 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 62.55% | - | 64.43% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 8 MP, 3264 x 2448 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | LED flash | No |
| Features | Auto focus, Geo-tagging | Auto-focus, Geo tagging | Auto focus, 1/4' Sensor Size, Geo-tagging, Panorama |
| Video | Yes, 1080p@30fps | Yes | Yes, 720p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA+ | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP, EDR | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 8 GB storage, 1 GB RAM | 8 GB ROM, 512 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 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-Ion Battery | Li-Ion Battery (BL-5H) |
| Capacity | 2000 mAh | 2400 mAh | 1830 mAh |
| Stand by | Up to 450 h | - | Up to 648 h |
| Talk Time | Up to 9 h | - | Up to 16 h 24 min (2G) Up to 13 h 6 min (3G) |
