Summary | 68 Score | 72 Score | 79 Score | 77 Score |
| Performance | Apple A7 1 GB RAM iOS 7, up to iOS 9.0.2 | Apple A9 2 GB RAM iOS 9, Upgradable to iOS 10 | 4 GB RAM Android 7.1.1 (Nougat) | Exynos 7420 3 GB RAM Android OS, v5.0.2 |
| Display | 4 inch 640 x 1136 pixels 326 PPI Density | 4.7 inch 750 x 1334 pixels 326 PPI Density | 5.6 inch 1080 x 2220 pixels 441 PPI Density | 5.1 inch 1440 x 2560 pixels 577 PPI Density |
| Camera | 8 MP (Main) 1.2 MP (Front) | 12 MP (Main) 5 MP (Front) 4K Video Recording | 16 MP (Main) 16 + 8 MP (Front) Dual Camera | 16 MP (Main) 5 MP (Front) |
| Battery | 1560 mAh Li-Po | 1715 mAh Li-Po | 3000 mAh Li-ion | 2600 mAh Li-Ion |
Display |
| Screen Size | 4 inch | 4.7 inch | 5.6 inch | 5.1 inch |
| Screen Resolution | 640x1136 pixels | 750x1334 pixels | 1080 x 2220 pixels | 1440x2560 pixels |
| Pixel Density | 326 PPI | 326 PPI | 441 PPI | 577 PPI |
| Display Type | LED-backlit IPS LCD, capacitive touchscreen, 16M colors | LED-backlit IPS LCD, capacitive touchscreen, 16M colors | Super AMOLED Infinity Display | Super AMOLED capacitive touchscreen, 16M colors |
| Gorilla Glass | Yes | - | Yes | - |
| Screen Protection | Corning Gorilla Glass, oleophobic coating | Ion-strengthened glass, oleophobic coating | Corning Gorilla Glass | - |
Chipset |
| Brand | Apple Mobiles | Apple Mobiles | Samsung Mobiles | Samsung Mobiles |
| Chipset | Apple A7 | Apple A9 | | Exynos 7420 |
| Processor | Dual-core 1.3 GHz Cyclone (ARM v8-based) | Dual-core 1.84 GHz Twister | 2.2 GHz Octa-core Processor | Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57 |
| RAM | 1 GB RAM | 2 GB RAM | 4 GB RAM | 3 GB RAM |
| GPU | PowerVR G6430 (quad-core graphics) | PowerVR GT7600 (six-core graphics) | | Mali-T760MP8 |
Camera |
| Rear Camera Resolution | 8 MP | 12 MP | 16 MP | 16 MP |
| Front Camera Resolution | 1.2 MP | 5 MP | 16 + 8 MP | 5 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, Geo-Tagging |
General |
| Operating System | iOS | iOS | Android | Android |
| OS Version | iOS 7, up to iOS 9.0.2 | iOS 9, Upgradable to iOS 10 | Android 7.1.1 (Nougat) | Android OS, v5.0.2 |
| Weight | 112 g | 143 g | 172 g | 132 g |
| Dimensions | 123.8 x 58.6 x 7.6 mm | 138.3 x 67.1 x 7.1 mm | 149.2 x 70.6 x 8.4 mm | 142.1 x 70.1 x 7 mm |
| Thickness | 7.6mm | 7.1mm | 8.4mm | |
Storage |
| Internal Storage | 64 GB | 32 GB | 64 GB | 64 GB |
| Card Slot | No | No | microSD, Up to 256GB | No |
| Other | 64GB storage, no card slot | 32GB storage, no card slot | 64 GB, Expandable up to 256 GB | 64GB storage, no card slot |
Communication |
| SIM Card Slots | Single SIM | Single SIM | Dual SIM | Dual SIM |
| SIM Card Type | Nano-SIM | Nano-SIM | Nano-SIM | Nano-SIM |
| Bluetooth | v4.0, A2DP | v4.2, A2DP, LE | v5.0 | v4.1, A2DP, LE, apt-X |
| 3.5 mm Jack | Yes | Yes | Yes | Yes |
| NFC | No | Yes (Apple Pay only) | | Yes |
Connectivity |
| VoLTE | | | | |
| 4G | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 13(700), 17(700), 19(800), 20(800), 25(1900) - A1533 GSM, A1533 CDMA | 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 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850) - SM-G925F |
| 3G | HSDPA 850 / 900 / 1700 / 1900 / 2100 - A1533 (GSM), A1453 | HSDPA 850 / 900 / 1700 / 1900 / 2100 | UMTS 1900 / 2100 / 850 / 900 MHz | HSDPA 850 / 900 / 1900 / 2100 |
| 2G | GSM 850 / 900 / 1800 / 1900 - all models | GSM 850 / 900 / 1800 / 1900 | GSM 1800 / 1900 / 850 / 900 MHz | GSM 850 / 900 / 1800 / 1900 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11, a/ac/b/g/n/n 5GHz | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS | A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, Beidou |
| GPRS | | | | |
| EDGE | | | | |
| Radio | | | | |
Battery |
| Battery Capacity | 1560 mAh | 1715 mAh | 3000 mAh | 2600 mAh |
| Battery Type | Li-Po | Li-Po | Li-ion | Li-Ion |
| Standby Time | Up to 250 h (2G) / Up to 250 h (3G) | Up to 240 h (3G) | | |
| Talk Time | Up to 10 h (2G) / Up to 10 h (3G) | Up to 14 h (3G) | | Up to 18 h (3G) |
Other Features |
| Fingerprint Scanner | | | | |
| Waterproof | | | | |
| Sensors | Accelerometer gyro proximity compass | Accelerometer gyro proximity compass barometer | Accelerometer gyro proximity compass barometer | Accelerometer gyro proximity compass barometer heart rate SpO2 |
| Messaging | iMessage, SMS (threaded view), MMS, Email, Push Email | iMessage, SMS (threaded view), MMS, Email, Push Email | | SMS(threaded view), MMS, Email, Push Mail, IM |
| Java | No | No | | 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 | 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 | | Wireless charging (Qi/PMA) , market dependent , ANT+ support , S-Voice natural language commands and dictation , Smart stay , OneDrive (115 GB cloud storage) , Active noise cancellation with dedicated mic , MP4/DivX/XviD/WMV/H.264 player , MP3/WA |