Phone Comparison - Xiaomi Mi 3 vs Samsung Galaxy A7 (2018) vs OPPO A1k
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| Price Comparison (India) | - | - | |
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| Manufacturer | Xiaomi | Samsung | Oppo |
| Announced | September 2013 | September 2018 | April 2019 |
| Status | Available - December 2013 | Available | Coming Soon - April 2019 |
| Price | - | Rs. 18,990 ($0.00) [Similarly Priced] | - |
| Colors | Various | Black, blue, gold, pink | Black, Red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
144 x 73.6 x 8.1 mm (5.67 x 2.9 x 0.32 in) |
159.8 x 76.8 x 7.5 mm (6.29 x 3.02 x 0.3 in) |
154.5 x 73.8 x 8.4 mm (6.08 x 2.91 x 0.33 in) |
| Weight | 145 g (5.11 oz) | 168 g (5.93 oz) | 170 g (6 oz) |
| SIM Type | - | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - A750F/DS, A750FN/DS HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A750G |
HSDPA 850 / 900 / 2100 |
| 4G Network | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) - A750F/DS, A750FN/DS | LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
| SAR EU |
- W/kg (head) - W/kg (body) |
0.34 W/kg (head) 1.43 W/kg (body) |
- W/kg (head) - W/kg (body) |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - | Fingerprint Sensor Samsung Pay |
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| Notification LED | - | Yes | - |
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| OS | Android OS, v4.4 (KitKat) optimized with MIUI version 5 | Android 8.0 (Oreo), planned upgrade to Android 9.0 (Pie) | Android 9.0 (Pie) |
| Processor | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 | Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) | Octa-core 2.0 GHz Cortex-A53, MediaTek Helio P22 (MT6762R) 12nm |
| GPU | Adreno 330 | Mali-G71 | IMG PowerVR GE8320 |
| RAM | 2 GB | 4/6 GB | 2 GB |
| Internal Memory | 16/64 GB | 128 GB | 32 GB |
| External Memory | No | microSD, up to 512 GB (dedicated slot) | microSD, up to 256 GB |
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| Type | IPS LCD capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass (unspecified Version) | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 6.0 inches | 6.1 inches |
| Resolution | 1080 x 1920 pixels (441 ppi) | 1080 x 2220 pixels (411 ppi) | 720 x 1560 pixels (282 ppi) |
| Screen-to-Body Ratio | 64.90% | 74.61% | 79.92% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 24 MP + 8 MP + 5 MP | 8 MP |
| Flash | dual-LED flash | LED Flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR | 24 MP, f/1.7, 27mm (wide), PDAF 8 MP, f/2.4, 18mm (ultrawide) 5 MP, f/2.2, depth sensor Panorama, HDR |
8MP rear camera, f/2.2 aperture HDR, Panorama |
| Video | 1080p@30fps, HDR | 1080p@30fps (gyro-EIS) | 1080p@30fps |
| Front Camera | 2 MP, 1080p@30fps [Similar] |
24 MP, f/2.0, 26mm (wide) HDR, 1080p@30fps [Similar] |
5 MP, f/2.0 AI Face Beauty, Gender Detection, AR Sticker Face Beauty Video, Camera Filter, HDR [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| Bluetooth | v4.0, A2DP | 5.0, A2DP, LE | 4.2, A2DP, LE |
| Wi-Fi | 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, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| USB | microUSB v2.0 (MHL), USB On-the-go | microUSB 2.0 | microUSB 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 16/64 GB, 2 GB RAM | 128 GB, 4/6 GB RAM or 64 GB, 4 GB RAM | 32 GB, 2 GB RAM |
| Expandable Storage | No | microSD, up to 512 GB (dedicated slot) | microSD, up to 256 GB |
| USB OTG | Supported | 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 | Non-removable Li-Ion Battery | Non-removable Li-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 3050 mAh | 3300 mAh | 4000 mAh |
| Stand by | Up to 500 h | - | - |
| Talk Time | Up to 4 h | - | - |
Rs. 18,990 
