Summary | 69 Score | 79 Score | 76 Score | 79 Score |
| Performance | Apple A8 1 GB RAM iOS 8, up to iOS 9.0.2 | Mediatek MT6795M Helio X10 3 GB RAM Android OS, v5.0 | Samsung Exynos 7 Octa 7870 2 GB RAM Android OS, v6.0.1 (Marshmallow) | Exynos 7420 4 GB RAM Android OS, v5.1.1 |
| Display | 5.5 inch 1080 x 1920 pixels 401 PPI Density | 5.5 inch 1440 x 1920 pixels 534 PPI Density | 5.5 inch 1280 x 720 pixels 267 PPI Density | 5.7 inch 1440 x 2560 pixels 515 PPI Density |
| Camera | 8 MP (Main) 1.2 MP (Front) | 20 MP (Main) 13 MP (Front) | 13 MP (Main) 5 MP (Front) | 16 MP (Main) 5 MP (Front) |
| Battery | 2915 mAh Li-Po | 2800 mAh Li-Po | 3300 mAh Li-ion | 3000 mAh Li-Po |
Display |
| Screen Size | 5.5 inch | 5.5 inch | 5.5 inch | 5.7 inch |
| Screen Resolution | 1080x1920 pixels | 1080x1920 pixels | HD, 1280 x 720 Pixels | 1440x2560 pixels |
| Pixel Density | 401 PPI | 534 PPI | 267 PPI | 515 PPI |
| Display Type | LED-backlit IPS LCD, capacitive touchscreen, 16M colors | Capacitive touchscreen, 16M colors | Super AMOLED Capacitive Touchscreen, Multi-touch | Super AMOLED capacitive touchscreen, 16M colors |
| Gorilla Glass | - | Yes | - | Yes |
| Screen Protection | - | Corning Gorilla Glass 4 | - | Corning Gorilla Glass 4 |
Chipset |
| Brand | Apple Mobiles | HTC Mobiles | Samsung Mobiles | Samsung Mobiles |
| Chipset | Apple A8 | Mediatek MT6795M Helio X10 | Samsung Exynos 7 Octa 7870 | Exynos 7420 |
| Processor | Dual-core 1.4 GHz Typhoon (ARM v8-based) | Octa-core 2 GHz | Octa-core (4x1.6 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57 |
| RAM | 1 GB RAM | 3 GB RAM | 2 GB RAM | 4 GB RAM |
| GPU | PowerVR GX6450 (quad-core graphics) | PowerVR G6200 | ARM Mali-T830 MP1 | Mali-T760MP8 |
Camera |
| Rear Camera Resolution | 8 MP | 20 MP | 13 MP | 16 MP |
| Front Camera Resolution | 1.2 MP | 13 MP | 5 MP | 5 MP |
| Video | | | | |
| Camera Features | Autofocus, Flash | Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging | Autofocus, Touch Focus, Flash, Panorama | Autofocus, Flash |
General |
| Operating System | iOS | Android | Android | Android |
| OS Version | iOS 8, up to iOS 9.0.2 | Android OS, v5.0 | Android OS, v6.0.1 (Marshmallow) | Android OS, v5.1.1 |
| Weight | 172 g | 150 g | 170 g | 171 g |
| Dimensions | 158.1 x 77.8 x 7.1 mm | 156.5 x 76.5 x 7.5 mm | 151.7 x 76 x 7.8 mm | 153.2 x 76.1 x 7.6 mm |
| Thickness | 7.1mm | | 7mm | 7.6mm |
Storage |
| Internal Storage | 16 GB | 32 GB | 16 GB | 32 GB |
| Card Slot | No | microSD, up to 128 G | microSD, Up to 256GB | No |
| Other | 16GB storage, no card slot | 32GB storage, microSD card slot | 16GB storage, microSD card slot | 32GB storage, no card slot |
Communication |
| SIM Card Slots | Dual SIM | Single SIM | Dual SIM | Single SIM |
| SIM Card Type | Nano-SIM | Nano-SIM | Micro-SIM | Nano-SIM |
| Bluetooth | v4.0, A2DP, LE | v4.1, A2DP, apt-X | v4.1 | v4.2, A2DP, EDR, LE |
| 3.5 mm Jack | Yes | Yes | Yes | Yes |
| NFC | Yes (Apple Pay only) | Yes | | Yes |
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) - A1522 GSM, A1522 CDMA | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) | TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) | LTE |
| 3G | HSDPA 850 / 900 / 1700 / 1900 / 2100 - A1522 (GSM), A1522 (CDMA), A1524 | HSDPA 850 / 900 / 1900 / 2100 | UMTS 1900 / 2100 / 850 / 900 MHz | HSDPA 850 / 1900 / 2100 |
| 2G | GSM 850 / 900 / 1800 / 1900 - A1522 (GSM), A1522 (CDMA), A1524 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 1800 / 1900 / 850 / 900 MHz | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, hotspot | Wi-Fi 802.11, b/g/n | 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, Beidou | with A-GPS, Glonass | Yes, with A-GPS, GLONASS, Beidou |
| GPRS | | | | |
| EDGE | | | | |
| Radio | | | | |
Battery |
| Battery Capacity | 2915 mAh | 2800 mAh | 3300 mAh | 3000 mAh |
| Battery Type | Li-Po | Li-Po | Li-ion | Li-Po |
| Standby Time | Up to 384 h (3G) | | | |
| Talk Time | Up to 24 h (3G) | | 23 hrs (3G) | |
Other Features |
| Fingerprint Scanner | | | | |
| Waterproof | | | | |
| Sensors | Accelerometer gyro proximity compass barometer | Accelerometer gyro proximity compass | Light sensor Proximity sensor Accelerometer | Accelerometer gyro proximity compass barometer heart rate SpO2 |
| Messaging | iMessage, SMS (threaded view), MMS, Email, Push Email | 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 , iBooks PDF reader , Audio/video player/editor , Organizer , Document viewer/editor , Photo v | Active noise cancellation with dedicated mic , MP4/H.264 player , MP3/eAAC+/WAV player , Document viewer , Photo/video editor | | Wireless charging (Qi/PMA) , market dependent , ANT+ support , S-Voice natural language commands and dictation , Active noise cancellation with dedicated mic , MP4/DivX/XviD/WMV/H.264 player , MP3/WAV/WMA/eAAC+/FLAC player , Photo/video editor - |