Phone Comparison - Samsung Galaxy Ace 2 vs Samsung I9505 Galaxy S4 vs Lenovo S820
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| Manufacturer | Samsung | Samsung | Lenovo |
| Announced | February 2012 | March 2013 | May 2013 |
| Status | Available - May 2012 | Available - April 2013 | Available - May 2013 |
| Colors | Black | White Frost, Black Mist | Flamingo red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
118.3 x 62.2 x 10.5 mm (4.66 x 2.45 x 0.41 in) |
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in) |
139.5 x 69.7 x 9 mm (5.49 x 2.74 x 0.35 in) |
| Weight | 122 g (4.3 oz) | 130 g (4.59 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 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | - | LTE | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3 | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | Dual-core 800 MHz, NovaThor U8500 | Quad-core 1.9 GHz Krait 300, Qualcomm APQ8064T Snapdragon 600 | Quad-core 1.2 GHz, MTK 6589W |
| GPU | Mali-400MP | Adreno 320 | PowerVR SGX544 |
| RAM | 768 MB | 2 GB | 1 GB |
| Internal Memory | 4 GB storage | 16/32/64 GB storage | 4 GB |
| External Memory | microSD, up to 32GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | PLS TFT capacitive touchscreen | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.8 inches | 4.99 inches | 4.7 inches |
| Resolution | 480 x 800 pixels (246 ppi) | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 55.64% | 72.15% | 62.82% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | No | FM radio; built-in antenna |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 13 MP, 4128 x 3096 pixels, Autofocus | 12 MP, 4000 x 3000 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Face And Smile Detection | Drama Shot, Eraser, Sound and Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 720p@30fps | Yes, 1080p@30fps | Yes |
| Front Camera | Yes, VGA [Similar] | Yes, 2 MP, Full HD 1080p@30fps [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 14.4 Mbps | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL | HSDPA, HSUPA |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP, EDR | Yes, v3.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band |
| USB | Yes, v2.0 microUSB | Yes, microUSB v2.0 (MHL), USB On-the-go | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML | HTML5, Adobe Flash | HTML |
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| Internal | 4 GB storage, 768 MB RAM | 16/32/64 GB storage, 2 GB RAM | 4 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32GB | microSD, up to 64 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-Ion Battery | Li-Po Battery |
| Capacity | 1500 mAh | 2600 mAh | 2000 mAh |
| Stand by | Up to 670 h (2G) Up to 640 h (3G) |
Up to 350 h | Up to 140 h (2G) Up to 140 h (3G) |
| Talk Time | Up to 16 h 20 min (2G) Up to 7 h 30 min (3G) |
Up to 17 h | Up to 22 h (2G) Up to 10 h (3G) |
