Summary | 68 Score | 75 Score | 77 Score | 81 Score |
| Performance | Apple A8 1 GB RAM iOS 8, up to iOS 9.0.2 | Mediatek MT6755 Helio P10 4 GB RAM Android OS, v6.0 (Marshmallow) | MediaTek MT6750 4 GB RAM Android v5.1.1 (Lollipop) | MediaTek MT6750 SoC 4 GB RAM Android OS, v6.0 (Marshmallow) with Funtouch OS 2.6 |
| Display | 4.7 inch 750 x 1334 pixels 326 PPI Density | 5.5 inch 1080 x 1920 pixels 400 PPI Density | 5.5 inch 720 x 1280 pixels 267 PPI Density | 5.5 inch 720 x 1280 pixels 267 PPI Density |
| Camera | 8 MP (Main) 1.2 MP (Front) | 20 MP (Main) 13 MP (Front) | 13 MP (Main) 16 MP (Front) | 13 MP (Main) 20 MP (Front) |
| Battery | 1810 mAh Li-Po | 3000 mAh Li-po | 3075 mAh Li-Po | 3000 mAh Li-po |
Display |
| Screen Size | 4.7 inch | 5.5 inch | 5.5 inch | 5.5 inch |
| Screen Resolution | 750x1334 pixels | 1080 x 1920 pixels | HD (720 x 1280 pixels) | HD, 1280 x 720 pixels |
| Pixel Density | 326 PPI | 400 PPI | 267 PPI | 267 PPI |
| Display Type | LED-backlit IPS LCD, capacitive touchscreen, 16M colors | IPS LCD capacitive touchscreen, 16M colors | IPS LCD Capacitive Touchscreen, Multi-touch | IPS Multi-touch, Capacitive screen |
| Gorilla Glass | - | Yes | Yes | - |
| Screen Protection | - | Gorilla Glass | Corning Gorilla Glass 4 | - |
Chipset |
| Brand | Apple Mobiles | HTC Mobiles | Oppo Mobiles | Vivo Mobiles |
| Chipset | Apple A8 | Mediatek MT6755 Helio P10 | MediaTek MT6750 | MediaTek MT6750 SoC |
| Processor | Dual-core 1.4 GHz Typhoon (ARM v8-based) | 1.3 Ghz Octa-core Cortex-A53 | Quad core, 1 GHz, Cortex A53 + Quad core, 1.5 GHz, Cortex A53 | Octa-core Processor 64bits |
| RAM | 1 GB RAM | 4 GB RAM | 4 GB RAM | 4 GB RAM |
| GPU | PowerVR GX6450 (quad-core graphics) | | Mali T860 GPU | Adreno 510 GPU |
Camera |
| Rear Camera Resolution | 8 MP | 20 MP | 13 MP | 13 MP |
| Front Camera Resolution | 1.2 MP | 13 MP | 16 MP | 20 MP |
| Video | | | | |
| Camera Features | Autofocus, Flash | Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging | Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging | Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging |
General |
| Operating System | iOS | Android | Android | Android |
| OS Version | iOS 8, up to iOS 9.0.2 | Android OS, v6.0 (Marshmallow) | Android v5.1.1 (Lollipop) | Android OS, v6.0 (Marshmallow) with Funtouch OS 2.6 |
| Weight | 129 g | 165 g | 160 g | 154 g |
| Dimensions | 138.1 x 67 x 6.9 mm | 156.5 x 76 x 7.86 mm | 154.5 x 76 x 7.4 mm | 153.8 x 75.5 x 7.6 mm |
| Thickness | 6.9mm | 7.86mm | 7.4mm | 7.6mm |
Storage |
| Internal Storage | 16 GB | 64 GB | 64 GB | 32 GB |
| Card Slot | No | microSD, up to 2TB | microSD, Up to 128GB | microSD, up to 128GB |
| Other | 16GB storage, no card slot | 64GB, Expandable Up to 2TB | 64GB storage, Expandable up to 128GB | 32GB storage,expandable upto 128GB |
Communication |
| SIM Card Slots | Dual SIM | Dual SIM | Dual SIM | Dual SIM |
| SIM Card Type | Nano-SIM | Nano-SIM | Micro-SIM | Nano-SIM |
| Bluetooth | v4.0, A2DP, LE | V4.0 | v4.0 | v4.1 |
| 3.5 mm Jack | Yes | Yes | Yes | Yes |
| NFC | Yes (Apple Pay only) | No | 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 | FDD: Bands 1, 3, 5, 7, 8, 20, 28. TDD: Bands 38, 40 | TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 850(band 5) | TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) |
| 3G | HSDPA 850 / 900 / 1700 / 1900 / 2100 - A1549 (GSM), A1549 (CDMA), A1586 | UMTS 850/900/1900/2100 MHz | UMTS 1900 / 2100 / 850 / 900 MHz | UMTS 2100 / 850 / 900 MHz |
| 2G | GSM 850 / 900 / 1800 / 1900 - A1549 (GSM), A1549 (CDMA), A1586 | 850/900/1800/1900 MHz | GSM 1800 / 1900 / 850 / 900 MHz | 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, b/g/n | Wi-Fi 802.11 b/g/n, hotspot |
| GPS | Yes, with A-GPS, GLONASS | | with A-GPS | A-GPS |
| GPRS | | | | |
| EDGE | | | | |
| Radio | | | | |
Battery |
| Battery Capacity | 1810 mAh | 3000 mAh | 3075 mAh | 3000 mAh |
| Battery Type | Li-Po | Li-po | Li-Po | Li-po |
| Standby Time | Up to 250 h (3G) | Up to 480 h (3G) | | |
| Talk Time | Up to 14 h (3G) | Up to 19 h (3G) | | |
Other Features |
| Fingerprint Scanner | | | | |
| Waterproof | | | | |
| Sensors | Accelerometer gyro proximity compass barometer | Ambient light sensor Proximity sensor Compass sensor Sensor Hub Motion G-sensor Gyro sensor Magnetic sensor | Light sensor Proximity sensor Accelerometer Compass Gyroscope | Accelerometer Proximity Compass |
| Messaging | iMessage, SMS (threaded view), MMS, Email, Push Email | SMS(threaded view), MMS, Email, Push Mail, IM | | SMS (threaded view), MMS, Email, Push Email |
| 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 | | | |