Phone Comparison - Samsung I9300 Galaxy S III (S3) vs Xiaomi Redmi Note 2 vs Samsung Galaxy A8
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| Manufacturer | Samsung | Xiaomi | Samsung |
| Announced | May 2012 | August 2015 | July 2015 |
| Status | Available - May 2012 | Available - August 2015 | Available - August 2015 |
| Price | - | Rs. 9,700 ($141.99) [Similarly Priced] | Rs. 26,990 ($396.91) [Similarly Priced] |
| Colors | Blue, White | Black, White, Yellow, Mint Green, Blue | Pearl White, Midnight Black, Champagne Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in) |
152 x 76 x 8.3 mm (5.98 x 2.99 x 0.33 in) |
158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in) |
| Weight | 133 g (4.69 oz) | 160 g (5.64 oz) | 151 g (5.33 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 (optional) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100, TD-SCDMA | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE (regional) | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - | - Fingerprint sensor |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v5.0 (Lollipop) based MIUI 7 | Android OS, v5.1 (Lollipop) |
| Processor | Quad-core 1.4 GHz Cortex-A9, Exynos 4212 Quad | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6795 | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 |
| GPU | Mali-400MP | PowerVR G6200 | Adreno 405 |
| RAM | 1 GB | 2 GB | 2 GB |
| Internal Memory | 16/32/64 GB storage | 16 GB | 16/32 GB |
| External Memory | microSD, up to 64 GB | Yes | microSD, up to 128 GB (uses SIM 2 slot) |
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| Type | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.8 inches | 5.5 inches | 5.7 inches |
| Resolution | 720 x 1280 pixels (306 ppi) | 1080 x 1920 pixels (401 ppi) | 1080 x 1920 pixels (386 ppi) |
| Screen-to-Body Ratio | 65.84% | 72.02% | 73.99% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM radio with RDS; recording |
| 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 | 16 MP, 5312 x 2988 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 | Phase Detection Auto focus (PDAF), Geo-tagging, Touch Focus, Face/smile Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 1.9 MP, 720p@30fps [Similar] | 5 MP [Similar] | 5 MP, 1080p [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 | TD-SCDMA | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, EDR | v4.0, A2DP, LE | v4.1, A2DP, EDR, 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, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot |
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go | microUSB v2.0, USB Host | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS/ Beidou (market dependant) |
| Browser | HTML, Adobe Flash | HTML5 | HTML5 |
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| Internal | 16/32/64 GB storage, 1 GB RAM | 16 GB, 2 GB RAM | 16/32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | Yes | microSD, up to 128 GB (uses SIM 2 slot) |
| 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-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 2100 mAh | 3060 mAh | 3050 mAh |
| Stand by | Up to 830Hr (2G)/up to 770Hr hours (3G) | - | - |
| Talk Time | Up to 1350Min (2G)/up to 700Min hours (3G) | - | - |
