Summary | 72 Score | 74 Score | 73 Score | 80 Score |
| Performance | Apple A9 2 GB RAM iOS 9, up to iOS 9.0.2 | MediaTek Helio P22 4 GB RAM Android v10 (Q) | Mediatek MT6765 Helio P35 4 GB RAM Android 8.1 (Oreo); ColorOS 5.2 | Qualcomm Snapdragon 778G 8 GB RAM Android v11 |
| Display | 4.7 inch 750 x 1334 pixels 326 PPI Density | 6.52 inch 720 x 1600 pixels 269 PPI Density | 6.2 inch 720 x 1520 pixels 271 PPI Density | 6.7 inch 1080 x 2400 pixels 393 PPI Density |
| Camera | 12 MP (Main) 5 MP (Front) 4K Video Recording | 13 MP (Main) 8 MP (Front) | 13 + 2 MP (Main) 8 MP (Front) Dual Camera | 64 MP (Main) 32 MP (Front) |
| Battery | 1715 mAh Li-Po | 4000 mAh | 4230 mAh Li-Po | 5000 mAh Li-Ion |
Display |
| Screen Size | 4.7 inch | 6.52 inch | 6.2 inch | 6.7 inch |
| Screen Resolution | 750x1334 pixels | 720 x 1600 pixels | 720 x 1520 pixels | 1080 x 2400 pixels |
| Pixel Density | 326 PPI | 269 PPI | 271 PPI | 393 PPI |
| Display Type | LED-backlit IPS LCD, capacitive touchscreen, 16M colors | IPS LCD Capacitive Touchscreen, Multi-touch | S-IPS LCD capacitive touchscreen, 16M colors | Super AMOLED Plus Yes, Capacitive Touchscreen, Multi-touch |
| Gorilla Glass | Yes | - | Yes | - |
| Screen Protection | - | - | Corning Gorilla Glass 3 | - |
Chipset |
| Brand | Apple Mobiles | LG Mobiles | Oppo Mobiles | Samsung Mobiles |
| Chipset | Apple A9 | MediaTek Helio P22 | Mediatek MT6765 Helio P35 | Qualcomm Snapdragon 778G |
| Processor | Dual-core 1.84 GHz Twister | Octa core, 2 GHz, Cortex A53 | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | Qualcomm Snapdragon 778G |
| RAM | 2 GB RAM | 4 GB RAM | 4 GB RAM | 8 GB RAM |
| GPU | PowerVR GT7600 (six-core graphics) | PowerVR GE8320 | PowerVR GE8320 | Adreno 642L |
Camera |
| Rear Camera Resolution | 12 MP | 13 MP | 13 + 2 MP | 64 MP |
| Front Camera Resolution | 5 MP | 8 MP | 8 MP | 32 MP |
| Video | 4K Video Recording | | | |
| Camera Features | Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging | Autofocus, Touch Focus, Flash | Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging | Autofocus, Touch Focus, Flash |
General |
| Operating System | iOS | Android | Android | Android |
| OS Version | iOS 9, up to iOS 9.0.2 | Android v10 (Q) | Android 8.1 (Oreo); ColorOS 5.2 | Android v11 |
| Weight | 143 g | 173 g | 170 g | 173 g |
| Dimensions | 138.3 x 67.1 x 7.1 mm | | 155.9 x 75.4 x 8.2 mm | |
| Thickness | 7.1mm | | 8.2mm | |
Storage |
| Internal Storage | 64 GB | 64 GB | 64 GB | 128 GB |
| Card Slot | No | microSD, Up to 512 GB | microSD, Up to 256GB | microSD, Yes, Up to 1 TB |
| Other | 64GB storage, no card slot | 64GB storage, microSD card slot | | 128GB storage, microSD card slot |
Communication |
| SIM Card Slots | Single SIM | Dual SIM | Dual SIM | Dual SIM |
| SIM Card Type | Nano-SIM | Nano-SIM | Nano-SIM | Nano-SIM |
| Bluetooth | v4.2, A2DP, LE | v4.2 | 4.2, A2DP, LE | Yes, v5.0 |
| 3.5 mm Jack | Yes | Yes | Yes | Yes |
| NFC | Yes (Apple Pay only) | No | | Yes |
Connectivity |
| VoLTE | | | Dual SIM Dual VoLTE | |
| 4G | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700) - A1688 | | TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 1800(band 3) | |
| 3G | HSDPA 850 / 900 / 1700 / 1900 / 2100 | | UMTS 1900 / 2100 / 850 / 900 MHz | |
| 2G | GSM 850 / 900 / 1800 / 1900 | | 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/b/g/n/n 5GHz | Yes, Wi-Fi 802.11, a/ac/ax/b/g/n/n 5GHz |
| GPS | Yes, with A-GPS, GLONASS | with A-GPS, Glonass | with A-GPS, Glonass | Yes with A-GPS, Glonass |
| GPRS | | | | |
| EDGE | | | | |
| Radio | | | | |
Battery |
| Battery Capacity | 1715 mAh | 4000 mAh | 4230 mAh | 5000 mAh |
| Battery Type | Li-Po | | Li-Po | Li-Ion |
| Standby Time | Up to 240 h (3G) | | | |
| Talk Time | Up to 14 h (3G) | | | |
Other Features |
| Fingerprint Scanner | | | | |
| Waterproof | | | | |
| Sensors | Accelerometer gyro proximity compass barometer | Light sensor Proximity sensor Accelerometer | Accelerometer Proximity Compass | Light sensor Proximity sensor Accelerometer Compass Gyroscope |
| Messaging | iMessage, 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 , Organizer , Document editor , Photo/video editor | | | |