Phone Comparison - Samsung Galaxy S Duos 2 S7582 vs Samsung Galaxy Core 2 Duos vs Lenovo K3 Note
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| Manufacturer | Samsung | Samsung | Lenovo |
| Announced | November 2013 | June 2014 | March 2015 |
| Status | Available - November 2013 | Available - July 2014 | Available - March 2015 |
| Price | - | - | Rs. 9,058 ($133.21) [Similarly Priced] |
| Colors | White, Black | White, Black | Yellow, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
152.6 x 76.2 x 8 mm (6.01 x 3 x 0.31 in) |
| Weight | 118 g (4.16 oz) | 138 g (4.87 oz) | 150 g (5.29 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1880 / 2010 |
| 4G Network | - | - | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300) |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v5.0 (Lollipop) |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 | Quad-core 1.2 GHz | Octa-core 1.7 GHz Cortex-A53, Mediatek MT6752 |
| GPU | Broadcom VideoCore IV | - | Mali-T760MP2 |
| RAM | 768 MB | 768 MB | 2 GB |
| Internal Memory | 4 GB (1.9 GB user available) | 4 GB | 16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | TFT Capacitive Touchscreen, PLS | TFT capacitive touchscreen | IPS capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 4.5 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (207 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 59.52% | 65.25% | 71.55% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM Radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 5 MP, 2592 х 1944 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | dual-LED (dual tone) |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | Yes, 720p@30fps | Yes | 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [Similar] | 5 MP [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, TD-SCDMA, LTE, TD-LTE |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP | v4.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 4 GB (1.9 GB user available), 768 MB RAM | 4 GB, 768 MB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 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 | Li-Ion Battery | Li-Po Battery |
| Capacity | 1500 mAh | 2000 mAh | 3000 mAh |
| Stand by | Up to 280 h (3G) | - | Up to 750 h (3G) |
| Talk Time | Up to 8 h (3G) | - | Up to 36 h (3G) |
