Phone Comparison - Samsung I9100 Galaxy S II vs Sony Xperia Z3 Compact vs Samsung Galaxy A3 Duos
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| Manufacturer | Samsung | Sony | Samsung |
| Announced | February 2011 | September 2014 | October 2014 |
| Status | Available - April 2011 | Available - September 2014 | Available - November 2014 |
| Price | - | - | Rs. 14,265 ($209.78) [Similarly Priced] |
| Colors | Black, White, Pink | Black, White, Green, Orange | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in) |
127.3 x 64.9 x 8.6 mm (5.01 x 2.56 x 0.34 in) |
130.1 x 65.5 x 6.9 mm (5.12 x 2.58 x 0.27 in) |
| Weight | 116 g (4.09 oz) | 129 g (4.55 oz) | 110.3 g (3.88.0.11 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700 / 1900 / 2100 - D5803 HSDPA 850 / 900 / 1900 / 2100 - D5833 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600 | LTE |
| Messaging | SMS, MMS, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | IP68 Certified - Dust Proof and Water Resistant over 1 Meter and 30 Minutes | - |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v4.4.4 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 |
| GPU | Mali-400MP | Adreno 330 | Adreno 306 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 16 GB/32 GB storage | 16 GB | 16 GB |
| External Memory | microSD, up to 32GB, 8 GB included | microSD, up to 64 GB | No |
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| Type | Super AMOLED Plus capacitive touchscreen | IPS LCD Capacitive Touchscreen, Triluminos Display, X-Reality Engine | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.6 inches | 4.5 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 720 x 1280 pixels (319 ppi) | 540 x 960 pixels (245 ppi) |
| Screen-to-Body Ratio | 63.52% | 70.72% | 65.39% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 20.7 MP, 5248 х 3936 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, 1/2.3' Sensor Size, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR, Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama |
| Video | Yes, 1080p@30fps | 2160p@30fps, 1080p@30fps, HDR | - |
| Front Camera | Yes, 2 MP [Similar] | 2.2 MP, 1080p@30fps [Similar] | 5 MP [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Up to 107 kbps | Yes |
| Edge | Class 12 | Up to 296 kbps | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v3.0+HS | v4.0, A2DP | v4.0, A2DP, EDR, LE |
| 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, Wi-Fi Direct, DLNA, 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 (MHL), USB On-the-go, USB Host | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 16GB/32GB storage, 1 GB RAM | 16 GB, 2 GB RAM | 16 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8 GB included | microSD, up to 64 GB | No |
| 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-Ion Battery |
| Capacity | 1650 mAh | 2600 mAh | 1900 mAh |
| Stand by | Up to 710 h (2G) Up to 610 h (3G) |
Up to 880 h (2G) Up to 920 h (3G) |
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| Talk Time | Up to 18 h 20 min (2G) Up to 8 h 40 min (3G) |
Up to 12 h (2G) Up to 14 h (3G) |
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