Phone Comparison - Samsung Galaxy Grand 2 vs Samsung Galaxy Core 2 Duos vs Samsung Galaxy S7 mini
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | November 2013 | June 2014 | Not announced yet |
| Status | Available - Q4 2013 | Available - July 2014 | Rumored |
| Colors | Black, White, Pink | White, Black | Black, White, Gold, Silver |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
146.8 x 75.3 x 8.9 mm (5.78 x 2.96 x 0.35 in) |
130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
9.9 mm thickness (0.39 in thickness) |
| Weight | 163 g (5.75 oz) | 138 g (4.87 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SM-G7100 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G7102 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 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 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - | - Fingerprint Sensor - Corning Gorilla Glass 4 Back Panel - Samsung Pay (Visa, MasterCard certified) - IP68 certified - dust proof and water resistant over 1.5 meter and 30 minutes |
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| OS | Android OS, v4.3 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v6.0 (Marshmallow) |
| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.2 GHz | Dual-core 2.15 GHz Kryo & dual-core 1.6 GHz Kryo Quad-core 2.3 GHz Mongoose + quad-core 1.6 GHz Cortex-A53, Qualcomm MSM8996 Snapdragon 820 Exynos 8890 Octa |
| GPU | - | - | Adreno 530 Mali-T880 MP12 |
| RAM | 1.5 GB | 768 MB | 3 GB |
| Internal Memory | 8 GB | 4 GB | 32/64 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 200 GB |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.25 inches | 4.5 inches | 4.6 inches |
| Resolution | 720 x 1280 pixels (280 ppi) | 480 x 800 pixels (207 ppi) | 1080 x 1920 pixels (479 ppi) |
| Screen-to-Body Ratio | 68.61% | 65.25% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio with Recording | FM Radio | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 5 MP, 2592 х 1944 pixels | 12 MP, 4608 x 2592 pixels |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection | Phase Detection Autofocus, f/1.7, 26mm, 1/2.6" Sensor Size, 1.4 µm Pixel Size, Geo-tagging, Simultaneous 4K video and 9MP Image Recording, Touch Focus, Face/Smile Detection, Auto HDR, Panorama |
| Video | Yes, 1080p@30fps, stereo sound rec. | Yes | 2160p@30fps, 1080p@60fps, 720p@240fps, HDR, dual-video rec. |
| Front Camera | Yes, 1.9 MP, 720p [Similar] | Yes, VGA [Similar] | 5 MP, f/1.7, 22mm, dual video call, Auto HDR [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | Yes, v4.0 with A2DP | v4.2, A2DP, LE, apt-X |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 8 GB, 1.5 GB RAM | 4 GB, 768 MB RAM | 32/64 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 200 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 | Li-Ion Battery | Li-Ion Battery | - |
| Capacity | 2600 mAh | 2000 mAh | 2600 mAh |
| Stand by | - | - | - |
| Talk Time | Up to 17 h | - | - |
