Phone Comparison - Karbonn Aura Note 4G vs Samsung Galaxy J2 (2017) vs Xiaomi Redmi 5a
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| Manufacturer | Karbonn | Samsung | Xiaomi |
| Announced | December 2016 | October 2017 | October 2017 |
| Status | Available - December 2016 | Available - October 2017 | Available - October 2017 |
| Price | Rs. 6,490 ($95.50) [Similarly Priced] | Rs. 7,390 ($120.00) [Similarly Priced] | Rs. 4,999 ($90.00) [Similarly Priced] |
| Colors | Gold | Metallic Gold, Absolute Black | Gold, Rose Gold, Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
136.5 x 69 x 8.4mm (5.37 x 2.72 x 0.33in) |
140.4 x 70.1 x 8.4 mm (5.53 x 2.76 x 0.33 in) |
| Weight | - | 130 g (4.59 oz) | 137 g (4.83 oz) |
| SIM Type | Dual-SIM | Dual-SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | 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 / 1900 / 2100 TD-SCDMA 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 - J320F, J3109 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J320F | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - Smart Manager | - |
| Notification LED | - | No | Yes |
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| OS | Android OS, v6.0 (Marshmallow) | Android OS, v7.1 (Nougat) | Android 7.1 (Nougat) |
| Processor | Quad-core 1.3 GHz, MediaTek MT6737 | Quad-core 1.3 GHz Cortex-A7, Exynos | Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 |
| GPU | Mali-T720 MP2 | Mali-400MP2 | Adreno 308 |
| RAM | 2 GB | 1 GB | 2 GB |
| Internal Memory | 16 GB | 8 GB | 16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 128 GB (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) |
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| Type | IPS Capacitive Touchscreen | Super AMOLED capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 4.7 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (267 ppi) | 540 x 960 pixels (234 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | - | 64.85% | 69.89% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | FM radio, RDS, recording | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 5 MP, 2592 х 1944 pixels | 13 MP |
| Flash | LED flash | LED Flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama, Real-time HDR | Autofocus, Geo-tagging, Touch Focus, Face Detection | Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama |
| Video | Yes, 1080p | 720p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 2 MP [Similar] | 5 MP, f/2.0 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA, LTE, VoLTE |
| Bluetooth | v4.0, A2DP | v4.1, A2DP | 4.1, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0, USB On-The-Go | microUSB 2.0 |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS/ BDS (region dependent) | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 8 GB, 1 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 128 GB (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) |
| 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 | Li-Po Battery | Removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 2800 mAh | 2000 mAh battery | 3000 mAh |
| Stand by | - | - | - |
| Talk Time | - | Up to 14 h (3G) | - |
