Phone Comparison - Samsung Galaxy Ace 4 vs Xiaomi Redmi Note 4G vs Sony Xperia Z3
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| Manufacturer | Samsung | Xiaomi | Sony |
| Announced | June 2014 | August 2014 | September 2014 |
| Status | Available - July 2014 | Available - November 2014 | Available - September 2014 |
| Colors | Iris Charcoal, Classic White | Black/White | Black, White, Copper, Silver Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.4 x 62.9 x 10.8 mm (4.78 x 2.48 x 0.43 in) |
154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in) |
146 x 72 x 7.3 mm (5.75 x 2.83 x 0.29 in) |
| Weight | 123.8 g (4.34.0.28 oz) | 199 g (7.02 oz) | 152 g (5.36 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - D6603, D6643, D6653, D6616 |
| 3G Network | HSDPA 900 / 2100 | TD-SCDMA 1900 / 2000 | HSDPA 850 / 900 / 1700 / 1900 / 2100 - D6603, D6643, D6653, D6616 |
| 4G Network | - | TD-LTE 1900 / 2300 / 2600 | LTE 700 / 800 / 1700 / 1800 / 2600 - D6603 LTE 800 / 1700 / 1800 / 1900 / 2100 / 2600 - D6643 LTE 700 / 800 / 850 / 900 / 1900 / 2100 / 2600 - D6653 LTE 1700 / 1900 / 2100 - D6616 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | IP58 certified - Dust Proof and Water Resistant over 1 Meter and 30 Minutes |
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| OS | Android OS, v4.4.2 (KitKat) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.4 (KitKat) |
| Processor | Dual-core 1.0 GHz | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 |
| GPU | - | Adreno 305 | Adreno 330 |
| RAM | 512 MB | 2 GB | 3 GB |
| Internal Memory | 4 GB | 8 GB | 16/32 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen, Triluminos Display, X-Reality Engine |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 5.5 inches | 5.2 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (267 ppi) | 1080 x 1920 pixels (424 ppi) |
| Screen-to-Body Ratio | 59.76% | 68.82% | 70.79% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 х 1944 pixels | 13 MP, 4128 x 3096 pixels | 20.7 MP, 5248 х 3936 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Face And Smile Detection, Panorama | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR | Auto focus, 1/2.3'' sensor size, ISO 12,800, geo-tagging, touch focus, face detection, image stabilization, HDR, panorama |
| Video | Yes, 720p@30fps | 1080p@30fps | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR |
| Front Camera | Yes, VGA [Similar] | 5 MP [Similar] | 2.2 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Up to 107 kbps |
| Edge | Yes | Yes | Up to 296 kbps |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | TD-SCDMA; LTE | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v4.0 with A2DP | v4.0, A2DP, LE | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0, USB On-the-go | microUSB v2.0 (MHL 3), USB On-the-go, USB Host |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB, 512 MB RAM | 8 GB, 2 GB RAM | 16/32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 128 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 | Li-Ion Battery | Li-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 1500 mAh | 3200 mAh | 3100 mAh |
| Stand by | - | Up to 775 h (3G) | Up to 890 h (2G) Up to 740 h (3G) |
| Talk Time | - | Up to 38 h (2G) Up to 14 h (3G) |
Up to 14 h (2G) Up to 16 h (3G) |
