Phone Comparison - Samsung I9300 Galaxy S III (S3) vs Samsung I9506 Galaxy S4 vs Xiaomi Redmi 2A
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| Manufacturer | Samsung | Samsung | Xiaomi |
| Announced | May 2012 | Q3 2013 | March 2015 |
| Status | Available - May 2012 | Available - Q3 2013 | Available - March 2015 |
| Price | - | - | Rs. 5,999 ($88.22) [Similarly Priced] |
| Colors | Blue, White | White Frost, Black Mist / Arctic Blue, Red Aurora | Black, White, Yellow, Pink, Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in) |
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in) |
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| Weight | 133 g (4.69 oz) | 130 g (4.59 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA | HSDPA 850 / 1900 / 2100 TD-SCDMA 1900 / 2100 |
| 4G Network | LTE (regional) | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 | LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4 (KitKat) |
| Processor | Quad-core 1.4 GHz Cortex-A9, Exynos 4212 Quad | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Quad-core 1.5 GHz, LCI L1860C |
| GPU | Mali-400MP | Adreno 330 | Mali-T628 MP4 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 16/32/64 GB storage | 16/32 GB | 8 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.8 inches | 5.0 inches | 4.7 inches |
| Resolution | 720 x 1280 pixels (306 ppi) | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 65.84% | 72.15% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | No | 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, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR | Auto focus, f/2.2 Aperture, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama, BSI Sensor, Omnivision sensor |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps, dual-video rec. | Yes, 1080p |
| Front Camera | Yes, 1.9 MP, 720p@30fps [Similar] | Yes, 2 MP,1080p@30fps, dual video call [Similar] | 2 MP, 720p [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 | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, EDR | Yes, v4.0 with A2DP, EDR, LE | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go | Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML, Adobe Flash | HTML5 | HTML5 |
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| Internal | 16/32/64 GB storage, 1 GB RAM | 16/32 GB, 2 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 32 GB |
| USB OTG | 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-Ion Battery | Li-Po Battery |
| Capacity | 2100 mAh | 2600 mAh | 2200 mAh |
| Stand by | Up to 830Hr (2G)/up to 770Hr hours (3G) | Up to 370 h (3G) | - |
| Talk Time | Up to 1350Min (2G)/up to 700Min hours (3G) | Up to 17 h (3G) | - |
