Summary | 74 Score | 76 Score | 77 Score | |
| Performance | Apple A10 2 GB RAM | MediaTek Helio X25 4 GB RAM Android, Marshmallow 6.0 | Qualcomm MSM8996 Snapdragon 821 6 GB RAM Android 7.0 Nougat-based OxygenOS 3.5 | |
| Display | 4 inch 640 x 1136 pixels 326 PPI Density | 5.5 inch 1920 x 1280 pixels 401 PPI Density | 5.5 inch 1080 x 1920 pixels 401 PPI Density | |
| Camera | 12 MP (Main) 5 MP (Front) | 16 MP (Main) 8 MP (Front) | 16 MP (Main) 16 MP (Front) 4K Video Recording | |
| Battery | 2200 mAh Li-Po | 3000 mAh Li-ion | 3400 mAh Li-ion | |
Display |
| Screen Size | 4 inch | 5.5 inch | 5.5 inch | |
| Screen Resolution | 640 x 1136 pixels | HD (1920 x 1080) | Full HD (1080 x 1920 pixels) | |
| Pixel Density | 326 PPI | 401 PPI | 401 PPI | |
| Display Type | IPS LCD | IPS LCD Capacitive Touchscreen, Multi-touch | Optic AMOLED capacitive touchscreen, 16M colors | |
| Gorilla Glass | - | - | Yes | |
| Screen Protection | - | - | Corning Gorilla Glass 4 | |
Chipset |
| Brand | Apple Mobiles | Elephone Mobiles | Oneplus Mobiles | |
| Chipset | Apple A10 | MediaTek Helio X25 | Qualcomm MSM8996 Snapdragon 821 | |
| Processor | Deca Core Processor | Deca core 2.3 GHz | Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo) | |
| RAM | 2 GB RAM | 4 GB RAM | 6 GB RAM | |
| GPU | | | Adreno 530 | |
Camera |
| Rear Camera Resolution | 12 MP | 16 MP | 16 MP | |
| Front Camera Resolution | 5 MP | 8 MP | 16 MP | |
| Video | | | 4K Video Recording | |
| Camera Features | 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 | |
| OS Version | | Android, Marshmallow 6.0 | Android 7.0 Nougat-based OxygenOS 3.5 | |
| Weight | | 128 g | 158 g | |
| Dimensions | | | 152.7 x 74.7 x 7.35 mm | |
| Thickness | | | 7.35mm | |
Storage |
| Internal Storage | 32 GB | 64 GB | 64 GB | |
| Card Slot | No | microSD | No MicroSD Slot | |
| Other | 32 GB storage, no card slot | 64GB storage | 64GB InBuilt strorage | |
Communication |
| SIM Card Slots | Single SIM | Dual SIM | Dual SIM | |
| SIM Card Type | Nano-SIM | Micro-SIM | Nano-SIM | |
| Bluetooth | v4.2, A2DP, LE | v4.0 | v4.2, A2DP, LE | |
| 3.5 mm Jack | Yes | Yes | Yes | |
| NFC | | No | | |
Connectivity |
| VoLTE | | | | |
| 4G | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 29(700) | 800 / 1800 / 1900 / 2100 / 2600 MHz LTE | TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) | |
| 3G | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | UMTS 1900 / 2100 / 850 MHz | UMTS 1900 / 2100 / 850 / 900 MHz | |
| 2G | GSM 850 / 900 / 1800 / 1900 - A1662, A1723 | GSM 1800 / 1900 / 850 / 900 MHz | GSM 1800 / 1900 / 850 / 900 MHz | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, hotspot | Wi-Fi 802.11, b/g/n | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, hotspot | |
| GPS | A-GPS, GLONASS | with A-GPS | A-GPS, GLONASS, BDS | |
| GPRS | | | | |
| EDGE | | | | |
| Radio | | | | |
Battery |
| Battery Capacity | 2200 mAh | 3000 mAh | 3400 mAh | |
| Battery Type | Li-Po | Li-ion | Li-ion | |
| Standby Time | | | | |
| Talk Time | | | | |
Other Features |
| Fingerprint Scanner | | | | |
| Waterproof | | | | |
| Sensors | Accelerometer Gyroscope Compass | Proximity sensor Accelerometer Compass | Accelerometer Gyroscope Proximity Compass | |
| Messaging | iMessage, SMS (threaded view), MMS, Email, Push Email | | SMS (threaded view), MMS, Email, IM, Push Email | |
| Java | No | | | |
| Other | | | | |