Phone Comparison - Samsung Ativ S vs Samsung Galaxy Grand 2 vs Samsung Galaxy Mega 2
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | August 2012 | November 2013 | August 2014 |
| Status | Released - December 2012 | Available - Q4 2013 | Available - August 2014 |
| Colors | Gray | Black, White, Pink | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
137.2 x 70.5 x 8.7 mm (5.4 x 2.78 x 0.34 in) |
146.8 x 75.3 x 8.9 mm (5.78 x 2.96 x 0.35 in) |
163.6 x 84.9 x 8.6 mm (6.44 x 3.34 x 0.34 in) |
| Weight | 135 g (4.76 oz) | 163 g (5.75 oz) | 194 g (6.84 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SM-G7100 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G7102 |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - SM-G7105 | LTE 800 / 850 / 900 / 1800 / 1900 / 2100 / 2600 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Microsoft Windows Phone 8 | Android OS, v4.3 (Jelly Bean) | Android OS, v4.4.3 (KitKat) |
| Processor | Dual-core Krait 1.5 GHz, Qualcomm MSM8960 Snapdragon | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.5 GHz, Qualcomm Snapdragon 410 |
| GPU | Adreno 225 | - | Adreno 306 |
| RAM | 1 GB | 1.5 GB | 1.5 GB |
| Internal Memory | 16/32 GB storage | 8 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 64 GB |
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| Type | Super AMOLED capacitive touchscreen | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.8 inches | 5.25 inches | 6.0 inches |
| Resolution | 720 x 1280 pixels (306 ppi) | 720 x 1280 pixels (280 ppi) | 720 x 1280 pixels (245 ppi) |
| Screen-to-Body Ratio | 65.65% | 68.61% | 71.32% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM Radio with Recording | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP, 3264x2448 pixels | 8 MP, 3264x2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps, stereo sound rec. | Yes, 1080p@30fps |
| Front Camera | Yes, 1.9 MP [Similar] | Yes, 1.9 MP, 720p [Similar] | Yes, 2 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA 42 Mbps, HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v3.0 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, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| 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 | 16/32 GB storage, 1 GB RAM | 8 GB, 1.5 GB RAM | 8 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 64 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 | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2300 mAh | 2600 mAh | 2800 mAh |
| Stand by | Up to 168 h (2G) Up to 218 h (3G) |
- | - |
| Talk Time | Up to 8 h (2G) Up to 14 h 50 min (3G) |
Up to 17 h | - |
