Summary | 80 Score | 75 Score | 76 Score | 76 Score |
| Performance | Exynos 7870 Octa 3 GB RAM Android 6.0 Marshmallow | Qualcomm MSM8974AC Snapdragon 801 3 GB RAM Android OS, v4.4.3 | Qualcomm Snapdragon 650 MSM8956 3 GB RAM Android v5.1 (Lollipop) | Qualcomm Snapdragon 625 4 GB RAM Android Marshmallow 6.0.1 with MIUI 8 |
| Display | 5.5 inch 1920 x 1080 pixels 401 PPI Density | 5 inch 1080 x 1920 pixels 441 PPI Density | 5.5 inch 1080 x 1920 pixels 401 PPI Density | 5.5 inch 1920 x 1080 pixels 401 PPI Density |
| Camera | 13 MP (Main) 8 MP (Front) | 13 MP (Main) 8 MP (Front) | 16 MP (Main) 5 MP (Front) | 13 MP (Main) 5 MP (Front) |
| Battery | 3300 mAh Li-ion | 3080 mAh Li-Ion | 4050 mAh Li-Po | 4100 mAh Li-po |
Display |
| Screen Size | 5.5 inch | 5 inch | 5.5 inch | 5.5 inch |
| Screen Resolution | 1080x1920 pixels | 1080x1920 pixels | Full HD (1080 x 1920 pixels) | 1920 x 1080 pixels |
| Pixel Density | 401 PPI | 441 PPI | 401 PPI | 401 PPI |
| Display Type | FHD TFT | IPS LCD capacitive touchscreen, 16M colors | IPS LCD Capacitive Touchscreen, Multi-touch | FHD IPS |
| Gorilla Glass | Yes | - | - | - |
| Screen Protection | - | - | - | - |
Chipset |
| Brand | Samsung Mobiles | Xiaomi Mobiles | Xiaomi Mobiles | Xiaomi Mobiles |
| Chipset | Exynos 7870 Octa | Qualcomm MSM8974AC Snapdragon 801 | Qualcomm Snapdragon 650 MSM8956 | Qualcomm Snapdragon 625 |
| Processor | Octa-core 1.6 GHz Cortex-A53 | Quad-core 2.5 GHz Krait 400 | Hexa Core (1.8 GHz, Dual core, Cortex A72 + 1.2 GHz, Quad core, Cortex A53) | 2GHz Octa core processor |
| RAM | 3 GB RAM | 3 GB RAM | 3 GB RAM | 4 GB RAM |
| GPU | Mali-T830MP2 | Adreno 330 | Adreno 510 | Adreno 506 |
Camera |
| Rear Camera Resolution | 13 MP | 13 MP | 16 MP | 13 MP |
| Front Camera Resolution | 8 MP | 8 MP | 5 MP | 5 MP |
| Video | | | | |
| Camera Features | Autofocus, Flash | Autofocus, Flash | Autofocus, Touch Focus, Flash | Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging |
General |
| Operating System | Android | Android | Android | Android |
| OS Version | Android 6.0 Marshmallow | Android OS, v4.4.3 | Android v5.1 (Lollipop) | Android Marshmallow 6.0.1 with MIUI 8 |
| Weight | 167 g | 149 g | 164 g | 165 g |
| Dimensions | 151.7 x 75 x 8 mm | 139.2 x 68.5 x 8.9 mm | 150 x 76 x 8.6 mm | 151 x 76 x 8.4 mm |
| Thickness | 8mm | 8.9mm | 8.6mm | 8.4mm |
Storage |
| Internal Storage | 16 GB | 16 GB | 32 GB | 64 GB |
| Card Slot | microSD, Upto 256GB | No | microSD, up to 32 GB | microSD, up to 128 GB |
| Other | 16GB, Expandable upto 256GB | 16/64GB storage, no card slot | 32GB, Expandable upto 32GB | 64GB, Expandable up to 128GB |
Communication |
| SIM Card Slots | Dual SIM | Single SIM | Dual SIM | Dual SIM |
| SIM Card Type | Nano-SIM | Micro-SIM | Micro-SIM | Micro-SIM |
| Bluetooth | v4.1 | v4.0, A2DP | v4.1 | Bluetooth 4.1 |
| 3.5 mm Jack | Yes | Yes | Yes | Yes |
| NFC | No | No | No | |
Connectivity |
| VoLTE | | | | |
| 4G | B1(2100), B3(1800), B5(850), B7(2600), B8(900), B20(800), B38(2600), B40(2300) | LTE band 38(2600), 39(1900), 40(2300) - 4G model | TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) | 4G LTE (TDD) - B40, LTE (FDD) - B3 / B5 |
| 3G | B1(2100), B2(1900), B5(850), B8(900) | TD-SCDMA 2010-2025 / 1880-1920 - 4G model | UMTS 1900 / 2100 / 850 / 900 MHz | WCDMA - 850 / 900 / 1900 / 2100 MHz |
| 2G | GSM850, GSM900, DCS1800, PCS1900 | GSM 850 / 900 / 1800 / 1900 - all versions | GSM 1800 / 1900 / 850 / 900 MHz | GSM - 850 / 900 / 1800 / 1900 MHz |
| Wi-Fi | Wi-Fi 802.11 a/g/n | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, Wi-Fi Direct, Mobile Hotspot | 802.11 a/b/g/n/ac, dual band, 2.4GHz/5GHz, WiFi Display, WiFi Direct |
| GPS | GPS, Glonass, Beidou | Yes, with A-GPS support, GLONASS, Beidou | A-GPS, Glonass | A-GPS, GLONASS |
| GPRS | | | | |
| EDGE | | | | |
| Radio | | | | |
Battery |
| Battery Capacity | 3300 mAh | 3080 mAh | 4050 mAh | 4100 mAh |
| Battery Type | Li-ion | Li-Ion | Li-Po | Li-po |
| Standby Time | Up to 84 h | Up to 280 h (3G) | | |
| Talk Time | Up to 21 h (3G) | | | |
Other Features |
| Fingerprint Scanner | | | | |
| Waterproof | | | | |
| Sensors | Accelerometer proximity | Accelerometer gyro proximity compass barometer | Light sensor Proximity sensor Accelerometer Compass Gyroscope | IR Blaster |
| Messaging | SMS(threaded view), MMS, Email, IM | SMS(threaded view), MMS, Email, Push Mail, IM | | |
| Java | | No | | |
| Other | | Fast battery charging: 60% in 30 min (Quick Charge 2.0) , Active noise cancellation with dedicated mic , MP4/DivX/XviD/WMV/H.264 player , MP3/WAV/eAAC+/FLAC player , Photo/video editor , Document viewer , Voice memo/dial/commands | | |