Phone Comparison - Samsung Galaxy Ace vs Lenovo P780 vs Lenovo Vibe Z K910
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| Manufacturer | Samsung | Lenovo | Lenovo |
| Announced | January 2011 | June 2013 | November 2013 |
| Status | Available - February 2011 | Available - June 2013 | Available - January 2014 |
| Colors | Black, Hugo Boss Edition | Black | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.4 x 59.9 x 11.5 mm (4.43 x 2.36 x 0.45 in) |
143 x 73 x 10 mm (5.63 x 2.87 x 0.39 in) |
7.9 mm thickness (0.31 in thickness) |
| Weight | 113 g (3.99 oz) | 176 g (6.21 oz) | 147 g (5.19 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 | HSDPA 2100 |
| 4G Network | - | - | LTE |
| Messaging | SMS, MMS | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.2 (Froyo), upgradable to v2.3 | Android OS, v4.2 (Jelly Bean) | Android OS, v4.3 (Jelly Bean) |
| Processor | 800 MHz ARM 11 processor, Qualcomm MSM7227 chipset | Quad-core 1.2 GHz Cortex-A7, MTK 6589 | Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 |
| GPU | Adreno 200 | PowerVR SGX544 | Adreno 330 |
| RAM | N/A | 1 GB | 2 GB |
| Internal Memory | 158 MB storage | 4 GB | 16 GB ROM |
| External Memory | microSD, up to 32GB, 2GB included, 280MB RAM | microSD, up to 32 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 | 3.5 inches | 5.0 inches | 5.5 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 720 x 1280 pixels (294 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 54.06% | 65.90% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | - |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 8 MP, 3264 x 2448 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | Dual-LED flash |
| Features | Auto focus, Geo-tagging, Face And Smile Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, QVGA@15fps | Yes | Yes, 1080p@30fps |
| Front Camera | No [Similar] | Yes, 1.2 MP [Similar] | Yes, 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps | HSDPA, HSUPA | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v2.1 with A2DP | Yes, v3.0 | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML | HTML | HTML5 |
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| Internal | 158 MB storage | 4 GB, 1 GB RAM | 16 GB ROM, 2 GB RAM |
| Expandable Storage | microSD, up to 32GB, 2GB included, 280MB RAM | microSD, up to 32 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 | Standard battery, Li-Ion | Li-Po Battery | - |
| Capacity | 1350 mAh | 4000 mAh | - |
| Stand by | Up to 640 h (2G) Up to 420 h (3G) |
Up to 840 h | - |
| Talk Time | Up to 11 h (2G) Up to 6 h 30 min (3G) |
Up to 43 h (2G) Up to 25 h (3G) |
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