Phone Comparison - Samsung Galaxy Axiom R830 vs Xiaomi Mi Pad 7.9 vs Xiaomi Redmi Note 3 (MediaTek)
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| Manufacturer | Samsung | Xiaomi | Xiaomi |
| Announced | November 2012 | March 2014 | November 2015 |
| Status | Released - November 2012 | Available - June 2014 | Available - November 2015 |
| Price | - | - | Rs. 11,999 ($176.46) [Similarly Priced] |
| Colors | Blue | Blue, Green, Yellow, Pink, White, Gray | Silver, Gray, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.7 x 63.8 x 11.9 mm (4.79 x 2.51 x 0.47 in) |
202 x 135.4 x 8.5 mm (7.95 x 5.33 x 0.33 in) |
150 x 76 x 8.7 mm (5.91 x 2.99 x 0.34 in) |
| Weight | 136.1 g (4.8.0.04 oz) | 360 g (12.7 oz) | 164 g (5.78 oz) |
| 2G Network | CDMA 800 / 1700 / 1900 / 2100 | No | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA |
| 3G Network | CDMA2000 1xEV-DO | No | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 700 MHz Class 17 / 850 / 1700 / 1900 / 2100 | - | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, Push Mail, EMail, IM | , EMail, IM | SMS, MMS, EMail, IM |
| Notification LED | - | - | Yes |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.4 (KitKat) | Android OS, v5.1 (Lollipop) |
| Processor | Dual-core 1.2 GHz Krait, Qualcomm | Quad-core 2.2 GHz Cortex-A15, Nvidia Tegra K1 | Octa-core, Mediatek MT6795 Helio X10 |
| GPU | - | ULP GeForce Kepler (192 cores) | PowerVR G6200 |
| RAM | 1 GB | 2 GB | 2/3 GB |
| Internal Memory | 4 GB ROM (1.85 GB user available) | 16/64 GB | 16/32 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 128 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 7.9 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 1536 x 2048 pixels (324 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 58.77% | 70.69% | 72.98% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 8 MP, 3264 x 2448 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | No | Dual-LED (Dual Tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | - | Phase Detection Autofocus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama |
| Video | Yes, 720p | 1080p | 1080p@30fps |
| Front Camera | Yes, 1.3 MP [Similar] | 5 MP [Similar] | 5 MP, 1080p [Similar] |
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| GPRS | No | No | Yes |
| Edge | No | No | Yes |
| 3G | EV-DO Rev. A, up to 3.1 Mbps; LTE | No | HSPA, LTE |
| Bluetooth | Yes, v4.0 with A2DP | v4.0 | v4.1, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, 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, WiFi Direct, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0, USB On-the-go | microUSB v2.0, USB On-The-Go |
| GPS | Yes, with A-GPS support | No | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB ROM (1.85 GB user available), 1 GB RAM | 16/64 GB, 2 GB RAM | 16/32 GB, 2/3 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 128 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 | Standard battery, Li-Ion | Li-Po Battery | Li-Po Battery |
| Capacity | 2100 mAh | 6700 mAh | 4000 mAh |
| Stand by | Up to 252 h | - | Up to 264 h (3G) |
| Talk Time | Up to 8 h | Up to 11 h (multimedia) | - |
