Phone Comparison - Samsung I9506 Galaxy S4 vs Sony Xperia Z4 vs Xiaomi Redmi Watch 3
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| Manufacturer | Samsung | Sony | Xiaomi |
| Announced | Q3 2013 | Expected Announcement - Q1 2015 | December 2022 |
| Status | Available - Q3 2013 | Rumored - Q2 2015 | Available - December 2022 |
| Price | - | Rs. 35,999 ($529.40) [Similarly Priced] | - |
| Colors | White Frost, Black Mist / Arctic Blue, Red Aurora | Black, White | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in) |
- |
42.6 x 36.6 x 10 mm (1.68 x 1.44 x 0.39 in) |
| Weight | 130 g (4.59 oz) | - | 37 g (1.31 oz) |
| SIM Type | - | - | No |
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 | N/A |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA | HSDPA 850 / 900 / 1700 / 1900 / 2100 | N/A |
| 4G Network | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 | LTE 700/800/850/900/1700/1800/1900/2100/2600 (1/2/3/4/5/7/8/13/17/20) LTE 700/800/850/900/1700/1800/1900/2100/2600 (1/2/3/4/5/7/8/17/20) LTE 700 / 850 / 900 / 1800 / 2100 / 2600 LTE 700 / 1700 / 1900 / 2100 |
N/A |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | |
| Build Features | - | - IP68 certified - dust proof and water resistant over 1 meter and 30 minutes | Waterproof (5ATM) 50m water resistant |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android OS, v5.0 (Lollipop) | Proprietary OS |
| Processor | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | , Qualcomm Snapdragon 810 | - |
| GPU | Adreno 330 | Adreno 430 | - |
| RAM | 2 GB | 4 GB | N/A |
| Internal Memory | 16/32 GB | 32/64 GB | Unspecified storage |
| External Memory | microSD, up to 64 GB | microSD, up to 128 GB | No |
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| Type | Super AMOLED capacitive touchscreen | IPS LCD Capacitive Touchscreen, Triluminos display, X-Reality Engine | AMOLED Screen, 600 nits (peak) |
| Colors | 16M colors | 16M colors | 16M Colors |
| Size | 5.0 inches | 5.1 inches | 1.75 inches |
| Resolution | 1080 x 1920 pixels (441 ppi) | 1920 x 1080 pixels (432 ppi) | 450 x 390 pixels (340 ppi) |
| Screen-to-Body Ratio | 72.15% | - | 62.82% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio with RDS | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 20.7 MP, 5248 х 3936 pixels | |
| Flash | LED flash | LED flash | No |
| Features | Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR | Auto focus, 1/2.3' Sensor Size, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | |
| Video | Yes, 1080p@30fps, dual-video rec. | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR | |
| Front Camera | Yes, 2 MP,1080p@30fps, dual video call [Similar] | 5 MP, 1080p@30fps [Similar] | , , [Similar] |
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| GPRS | Yes | Up to 107 kbps | No |
| Edge | Yes | Up to 296 kbps | No |
| 3G | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps | No |
| Bluetooth | Yes, v4.0 with A2DP, EDR, LE | v4.0, A2DP, apt-X | 5.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | No |
| USB | Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host | microUSB v2.0 (MHL 3 TV-out), USB Host | No |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS, Beidou | GPS, GLONASS, GALILEO, BDS, QZSS |
| Browser | HTML5 | HTML5 | |
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| Internal | 16/32 GB, 2 GB RAM | 32/64 GB, 4 GB RAM | Unspecified storage |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 128 GB | No |
| USB OTG | Supported | Supported | Not Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Heart-rate Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Non-removable Li-Ion battery | Non-removable Li-Po Battery Fast battery Charging |
| Capacity | 2600 mAh | 2930 mAh | 289 mAh |
| Stand by | Up to 370 h (3G) | - | - |
| Talk Time | Up to 17 h (3G) | - | - |
