Phone Comparison - Samsung I9100 Galaxy S II vs Xiaomi Redmi Note vs Samsung Galaxy Grand Prime
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| Manufacturer | Samsung | Xiaomi | Samsung |
| Announced | February 2011 | March 2014 | September 2014 |
| Status | Available - April 2011 | Available - March 2014 | Available - September 2014 |
| Price | - | - | Rs. 7,499 ($110.28) [Similarly Priced] |
| Colors | Black, White, Pink | Various | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in) |
154 x 78.7 x 9.45 mm (6.06 x 3.1 x 0.37 in) |
144.8 x 72.1 x 8.6 mm (5.7 x 2.84 x 0.34 in) |
| Weight | 116 g (4.09 oz) | 199 g (7.02 oz) | 156 g (5.5 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900) - G530F LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - G530FZ LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700) - G530Y LTE band 1(2100), 3(1800), 5(850), 8(900), 20(800), |
| Messaging | SMS, MMS, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.4 (KitKat) |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592 | Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8226 Snapdragon 400 |
| GPU | Mali-400MP | Mali-450MP4 | Adreno 305 |
| RAM | 1 GB | 1/2 GB | 1 GB |
| Internal Memory | 16 GB/32 GB storage | 8 GB | 8 GB |
| External Memory | microSD, up to 32GB, 8 GB included | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | IPS LCD capacitive touchscreen | TFT Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 5.5 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 720 x 1280 pixels (267 ppi) | 540 x 960 pixels (220 ppi) |
| Screen-to-Body Ratio | 63.52% | 68.82% | 66.19% |
| 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 | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels | 8 MP, 3264x2448 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, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | Yes, 1080p@30fps | 1080p@30fps | Yes, 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | 5 MP [Similar] | Yes, 5 MP [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Class 12 | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA+ | HSDPA, 21 Mbps; HSUPAHSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v3.0+HS | v4.0, A2DP, LE | Yes, v4.0 with A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | microUSB v2.0, USB On-the-go | Yes, microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS | Yes, with A-GPS support and GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 16GB/32GB storage, 1 GB RAM | 8 GB, 1/2 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8 GB included | microSD, up to 32 GB | microSD, up to 32 GB |
| USB OTG | Supported | Supported | 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 | Non-removable Li-Ion Battery |
| Capacity | 1650 mAh | 3100 mAh | 2600 mAh |
| Stand by | Up to 710 h (2G) Up to 610 h (3G) |
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| Talk Time | Up to 18 h 20 min (2G) Up to 8 h 40 min (3G) |
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