Phone Comparison - Samsung Galaxy Ace Duos I589 vs HTC Desire VC vs ZTE N799D
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| Manufacturer | Samsung | HTC | ZTE |
| Announced | February 2012 | June 2012 | November 2013 |
| Status | Available - February 2012 | Available - July 2012 | Available - November 2013 |
| Colors | Black | Black, White | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.4 x 59.9 x 12.5 mm (4.43 x 2.36 x 0.49 in) |
119.5 x 62.3 x 9.5 mm (4.7 x 2.45 x 0.37 in) |
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| Weight | 122 g (4.3 oz) | 119 g (4.2 oz) | - |
| 2G Network | CDMA 800 / 1900 GSM 900 / 1800 |
GSM 900 / 1800 / 1900 - SIM 1 CDMA 800 / 1900 - SIM 2 |
GSM 900 / 1800 |
| 3G Network | CDMA2000 1xEV-DO | CDMA2000 1xEV-DO | No |
| Messaging | SMS, MMS | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.2 (Froyo) | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2 (Jelly Bean) |
| Processor | 800 MHz, Qualcomm MSM7627 | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | Dual-core 1.2 GHz |
| GPU | Adreno 200 | - | |
| RAM | N/A | 512 MB | 512 MB |
| Internal Memory | N/A | 4 GB storage | 4 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | Capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 4.0 inches | 4.0 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 54.06% | 61.30% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | FM radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 5 MP, 2592х1944 pixels | 3.2 MP, 2048x1536 pixels |
| Flash | No | LED flash | No |
| Features | Geo-tagging | Auto focus, Geo-tagging | Geo-tagging, Face Detection, Panorama |
| Video | Yes | Yes | Yes |
| Front Camera | No [Similar] | No [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | No | Yes |
| 3G | Rev. A, up to 3.1 Mbps | Rev. A, up to 3.1 Mbps | No |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP | Yes, v4.0 |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB | Yes, microUSB v2.0 | Yes |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML | HTML, Adobe Flash Lite | HTML5 |
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| Internal | 4 GB storage, 512 MB RAM | 4 GB, 512 MB RAM | |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 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 | Standard battery, Li-Ion | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 1650 mAh | 1650 mAh | 1500 mAh |
| Stand by | - | - | |
| Talk Time | - | - | |
