Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy A8 vs Oppo R7 Lite
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| Manufacturer | Samsung | Samsung | Oppo |
| Announced | February 2011 | July 2015 | August 2015 |
| Status | Available - April 2011 | Available - August 2015 | Available - August 2015 |
| Price | - | Rs. 26,990 ($396.91) [Similarly Priced] | Rs. 20,499 ($301.46) [Similarly Priced] |
| Colors | Black, White, Pink | Pearl White, Midnight Black, Champagne Gold | Golden, Silver |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in) |
158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in) |
143 x 71 x 6.3 mm (5.63 x 2.8 x 0.25 in) |
| Weight | 116 g (4.09 oz) | 151 g (5.33 oz) | 147 g (5.19 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - Global, Taiwan HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA |
| 4G Network | - | LTE | LTE band 1(2100), 3(1800), 7(2600), 8(900), 40(2300) - Global LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 40(2300) - Taiwan LTE band 1(2100), 3(1800), 4(1700/2100), 7(2600), 17(700), 20(800) - USA |
| Messaging | SMS, MMS, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - | - Fingerprint sensor | - |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v5.1 (Lollipop) | Android OS, v5.1 (Lollipop) |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 | Quad-core 1.3 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 |
| GPU | Mali-400MP | Adreno 405 | Adreno 405 |
| RAM | 1 GB | 2 GB | 2 GB |
| Internal Memory | 16 GB/32 GB storage | 16/32 GB | 16 GB |
| External Memory | microSD, up to 32GB, 8 GB included | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB (uses SIM 2 slot) |
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| Type | Super AMOLED Plus capacitive touchscreen | Super AMOLED capacitive touchscreen | AMOLED 2.5D Curved Screen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 5.7 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 1080 x 1920 pixels (386 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 63.52% | 73.99% | 67.75% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio with RDS; recording | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 16 MP, 5312 x 2988 pixels | 13 MP, 4128 x 3096 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 Detection, Panorama, HDR | Autofocus, Sony IMX214 Sensor, f/2.2 Aperture Phase Detection, Geo-tagging, Touch Focus, Face Detection, Beautify, Panorama, HDR |
| Video | Yes, 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | 5 MP, 1080p [Similar] | 8 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 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps | HSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v3.0+HS | v4.1, A2DP, EDR, LE | v4.0 |
| 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, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | microUSB v2.0 | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS/ Beidou (market dependant) | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 16GB/32GB storage, 1 GB RAM | 16/32 GB, 2 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8 GB included | microSD, up to 128 GB (uses SIM 2 slot) | 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 | Non-removable Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 1650 mAh | 3050 mAh | 2320 mAh |
| Stand by | Up to 710 h (2G) Up to 610 h (3G) |
- | - |
| Talk Time | Up to 18 h 20 min (2G) Up to 8 h 40 min (3G) |
- | - |
