Summary | 68 Score | 79 Score | 81 Score | 71 Score |
| Performance | Apple A8 1 GB RAM iOS 8, up to iOS 9.0.2 | 4 GB RAM Android 6.0 Marshmallow | Qualcomm MSM8976 Pro Snapdragon 653 4 GB RAM Android, Marshmallow 6.0 | Exynos 8895 4 GB RAM Android, v7.0 (Nougat) |
| Display | 4.7 inch 750 x 1334 pixels 326 PPI Density | 6 inch 1080 x 1920 pixels 367 PPI Density | 6 inch 1080 x 1920 pixels 367 PPI Density | 5.8 inch 1440 x 2960 pixels 570 PPI Density |
| Camera | 8 MP (Main) 1.2 MP (Front) | 16 MP (Main) 8 MP (Front) | 16 MP (Main) 16 + 8 MP (Front) Dual Camera | 12 MP (Main) 8 MP (Front) 4K Video Recording |
| Battery | 1810 mAh Li-Po | 3000 mAh Li-ion | 4000 mAh Li-ion | 3000 mAh Li-Ion |
Display |
| Screen Size | 4.7 inch | 6 inch | 6 inch | 5.8 inch |
| Screen Resolution | 750x1334 pixels | 1080 x 1920 pixels | 1080 x 1920 Pixels | 1440 x 2560 pixels |
| Pixel Density | 326 PPI | 367 PPI | 367 PPI | 570 PPI |
| Display Type | LED-backlit IPS LCD, capacitive touchscreen, 16M colors | IPS LCD, Multi-touch | IPS LCD capacitive touchscreen, 16M colors | Quad HD+ Super AMOLED |
| Gorilla Glass | - | - | Yes | - |
| Screen Protection | - | - | Gorilla Glass 5 | - |
Chipset |
| Brand | Apple Mobiles | Changhong Mobiles | Oppo Mobiles | Samsung Mobiles |
| Chipset | Apple A8 | | Qualcomm MSM8976 Pro Snapdragon 653 | Exynos 8895 |
| Processor | Dual-core 1.4 GHz Typhoon (ARM v8-based) | 2.0GHz Octa Core Processor | Octa-core (4x1.95 GHz Cortex-A72 & 4x1.44 GHz Cortex-A53) | Octa-core (2.3GHz Quad + 1.7GHz Quad), 64 bit, 10nm processor |
| RAM | 1 GB RAM | 4 GB RAM | 4 GB RAM | 4 GB RAM |
| GPU | PowerVR GX6450 (quad-core graphics) | | Adreno 510 | |
Camera |
| Rear Camera Resolution | 8 MP | 16 MP | 16 MP | 12 MP |
| Front Camera Resolution | 1.2 MP | 8 MP | 16 + 8 MP | 8 MP |
| Video | | | | 4K Video Recording |
| Camera Features | Autofocus, Flash | Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging | Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging | Autofocus, Touch Focus, Flash, Panorama |
General |
| Operating System | iOS | Android | Android | Android |
| OS Version | iOS 8, up to iOS 9.0.2 | Android 6.0 Marshmallow | Android, Marshmallow 6.0 | Android, v7.0 (Nougat) |
| Weight | 129 g | | 185 g | 155 g |
| Dimensions | 138.1 x 67 x 6.9 mm | | 163.63 x 80.8 x 7.35 mm | 148.9 x 68.1 x 8.0 mm |
| Thickness | 6.9mm | | 7.35mm | 8mm |
Storage |
| Internal Storage | 64 GB | 64 GB | 64 GB | 64 GB |
| Card Slot | No | | microSD, Up to 256 GB | microSD, up to 256GB |
| Other | 16/64/128GB storage, no card slot | 64GB Storage | 64GB storage, Expandable up to 256GB | 64 GB storage, Expandable up to 256GB |
Communication |
| SIM Card Slots | Dual SIM | Dual SIM | Dual SIM | Dual SIM |
| SIM Card Type | Nano-SIM | Micro-SIM | Nano-SIM | Nano-SIM |
| Bluetooth | v4.0, A2DP, LE | v4.1 | v4.1, A2DP, LE | v5.0(LE up to 2Mbps) |
| 3.5 mm Jack | Yes | Yes | Yes | Yes |
| NFC | Yes (Apple Pay only) | No | No | |
Connectivity |
| VoLTE | | | | |
| 4G | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700) - A1549 GSM, A1549 CDMA | LTE 2100, LTE 800, LTE 1800, LTE 2600 | 800 / 1800 / 1900 / 2100 / 2600 MHz LTE, Speed: 150 Mbps (Downlink), 50 Mbps (Uplink) | TD-LTE 2300(band 40) FD-LTE 1800(band 3) |
| 3G | HSDPA 850 / 900 / 1700 / 1900 / 2100 - A1549 (GSM), A1549 (CDMA), A1586 | UMTS 1900 / 2100 / 850 / 900 MHz | 850 / 900 / 1900 / 2100 MHz HSDPA, Speed: 21 Mbps (HSDPA), 5.76 Mbps (HSUPA) | UMTS 1900 / 2100 / 850 / 900 MHz |
| 2G | GSM 850 / 900 / 1800 / 1900 - A1549 (GSM), A1549 (CDMA), A1586 | GSM 1800 / 1900 / 850 / 900 MHz | 850 / 900 / 1800 / 1900 MHz GSM | GSM 1800 / 1900 / 850 / 900 MHz |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/g/n | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| GPS | Yes, with A-GPS, GLONASS | A-GPS, Glonass | A-GPS, Glonass | A-GPS |
| GPRS | | | | |
| EDGE | | | | |
| Radio | | | | |
Battery |
| Battery Capacity | 1810 mAh | 3000 mAh | 4000 mAh | 3000 mAh |
| Battery Type | Li-Po | Li-ion | Li-ion | Li-Ion |
| Standby Time | Up to 250 h (3G) | | | Up to 12 hrs (4G), up to 11 hrs (3G) ,up to 14 hrs(WiFi) |
| Talk Time | Up to 14 h (3G) | | | Up to 20 hrs |
Other Features |
| Fingerprint Scanner | | | | |
| Waterproof | | | | |
| Sensors | Accelerometer gyro proximity compass barometer | Accelerometer Proximity Compass | Accelerometer Proximity Compass | Light sensor Proximity sensor Accelerometer Compass Gyroscope |
| Messaging | iMessage, SMS (threaded view), MMS, Email, Push Email | | SMS(threaded view), MMS, Email, Push Mail, IM | |
| Java | No | | | |
| Other | Active noise cancellation with dedicated mic , Siri natural language commands and dictation , iCloud cloud service , iCloud Keychain , TV-out , Maps , Audio/video player/editor , Organizer , Document viewer/editor , Photo viewer/editor , Voice | | | |