| Manufacturer | |
| Apple | Apple | 
| Announced | |
| September 2015 | March 2017 | 
| Status | |
| Available - September 2015 | Available - March 2017 | 
| Price | |
| Rs. 28,799 ($423.51) [Similarly Priced] | Rs. 28,900 ($399.00) [Similarly Priced] | 
| Colors | |
| Space Gray, Silver, Gold | Silver, Gold, Space Gray | 
| Form Factor | |
| Candybar | Candybar | 
| Dimension | |
| 203.2 x 134.8 x 6.1 mm (8 x 5.31 x 0.24 in) | 240 x 169.5 x 7.5 mm (9.45 x 6.67 x 0.3 in) | 
| Weight | |
| 299 g (Wi-Fi) / 304 (10.55 oz (Wi-Fi) / 10.72 ) | 469 g / 478 g (16.54 oz / 16.86 oz) | 
| SIM Type | |
| - | Nano-SIM/ Electronic SIM card (e-SIM) | 
| 2G Network | |
| GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO | 
| 3G Network | |
| HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | 
| 4G Network | |
| 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), 38(2600), 39(1900), 40(2300), 41(2500) - Cellular version only | 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), 38(2600), 39(1900), 40(2300), 41(2500) | 
| Messaging | |
| , Push Mail, EMail, IM | , Push Mail, EMail, IM | 
| Build Features | |
| - Fingerprint sensor (TouchID v2) | - Fingerprint Sensor | 
| OS | |
| iOS 9 | iOS 10.3 | 
| Processor | |
| Dual-core 1.5 GHz, Apple A8 [Similar] | Dual-core 1.84 GHz (Twister), Apple A9 [Similar] | 
| GPU | |
| - | PowerVR GT7600 (six-core graphics) [Similar] | 
| RAM | |
| 1 GB [Browse Similar] | 2 GB [Browse Similar] | 
| Internal Memory | |
| 16/64/128 GB | 32/128 GB | 
| External Memory | |
| No | No | 
| Type | |
| LED-backlit IPS LCD, Capacitive Touchscreen, Scratch-resistant Glass, Oleophobic Coating | LED-backlit IPS LCD, Capacitive Touchscreen, Scratch-resistant Glass, Oleophobic Coating | 
| Colors | |
| 16M colors | 16M colors | 
| Size | |
| 7.9 inches [Similar] | 9.7 inches [Similar] | 
| Resolution | |
| 1536 x 2048 pixels (324 ppi) | 1536 x 2048 pixels (264 ppi) | 
| Screen-to-Body Ratio | 70.58% | 71.58% | 
| Multi-Touch | |
|  |  | 
| Rear Camera | |
| 8 MP, 3264 x 2448 pixels [Similar] | 8 MP [Similar] | 
| Flash | |
| No | No | 
| Features | |
| Auto focus, 1.12μm Pixel Size, Geo-tagging, Touch Focus, Face/smile Detection, HDR (Photo/Panorama) | Autofocus, f/2.4, 31mm, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face/smile Detection, HDR (photo/panorama) | 
| Video | |
| 1080p@30fps, 720p@120fps, HDR, stereo sound rec. | 1080p@30fps, 720p@120fps, HDR, stereo sound rec. | 
| Front Camera | |
| 1.2 MP, 720p@30fps, Face Detection, HDR [Similar] | 1.2 MP, f/2.2, 31mm, 720p@30fps, face detection, HDR, FaceTime over Wi-Fi or Cellular [Similar] | 
| 3.5mm Jack | |
|  |  | 
| Radio | |
| No | No | 
| Games | |
| Yes + Downloadable | Yes + Downloadable | 
| Loud Speaker | |
|  |  | 
| GPRS | |
| Yes | Yes | 
| Edge | |
| Yes | Yes | 
| 3G | |
| HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, EV-DO Rev.A 3.1 Mbps | HSPA 42.2/5.76 Mbps, LTE-A Cat4 150/50 Mbps, EV-DO Rev.A 3.1 Mbps | 
| Bluetooth | |
| v4.0, A2DP, EDR | v4.2, A2DP, EDR, LE | 
| 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, hotspot | 
| USB | |
| v2.0, reversible connector | v2.0, reversible connector | 
| GPS | |
| Yes, with A-GPS, GLONASS (3G/LTE model only) | Yes, with A-GPS, GLONASS (Wi‑Fi + Cellular model only) | 
| Browser | |
| HTML5 (Safari) | HTML5 (Safari) | 
| Internal | |
| 16/64/128 GB, 1 GB RAM | 32/128 GB, 2 GB RAM | 
| Expandable Storage | |
| No | No | 
| USB OTG | |
| - | Not Supported | 
| Fingerprint | |
|  |  | 
| Proximity Sensor | |
|  |  | 
| Accelerometer Sensor | |
|  |  | 
| Barometer Sensor | |
|  |  | 
| NFC | |
|  |  | 
| Type | |
| Non-removable Li-Po battery | Non-removable Li-Ion Battery (32.4 Wh) | 
| Capacity | |
| 5124 mAh | 8610 mAh | 
| Stand by | |
| - | - | 
| Talk Time | |
| Up to 10 h (multimedia) | Up to 10 h (multimedia) |