2.64 in 5.44 in  | 2.74 in 5.56 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Apple iPhone 6S |  Xiaomi Redmi 4 | |
|---|---|---|
| Operating system | Apple iOS 11 | Android 6.0 |
| CPU clock speed | 2.0 GHz | 2.0 GHz |
| CPU cores | Dual-core | 8-core |
| CPU model | Apple A9 | Qualcomm Snapdragon 625 |
| GPU model | PowerVR GT7600 | Qualcomm Adreno 506 |
| RAM memory | 2 GB |
|
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Screen size | 4.7 in | 5.0 in |
| Touchscreen | yes | yes |
| Number of colors | 16.7M | 16.7M |
| Panel type | LCD | LCD |
| Resolution | 1334 x 750 px | 1920 x 1080 px |
| Technology |
| IPS TFT |
| Pixel density | 326.0 ppi | 441.0 ppi |
| Screen material | Fingerprint-resistant coating | Corning Gorilla Glass |
| Dual screen support | no | no |
| HDR | no | no |
| Multi touch | yes | yes |
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Primary sensor resolution | 12.0 Mpx | 13.0 Mpx |
| Primary lens aperture | 2.2 f | 2.0 f |
| Video recording | yes | yes |
| Highest video resolution | 4096 x 2160 px | 1920 x 1080 px |
| Maximum FPS at the highest resolution | 30.0 fps | 30.0 fps |
| Autofocus | yes | yes |
| Burst Mode | yes | yes |
| Digital zoom | yes | yes |
| Face detection | yes | yes |
| Geo-tagging | yes | yes |
| HDR Capture | yes | yes |
| LED Flash | yes | yes |
| Panorama | yes | yes |
| Smile detection | yes | yes |
| Touch focus | yes | yes |
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Primary resolution | 5.0 Mpx | 5.0 Mpx |
| Face detection | yes | yes |
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Internal storage |
|
|
| Memory card reader | no | yes |
| Types of memory card supported | No memory slot | microSD |
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Colour of product |
|
|
| Material |
|
|
| Water resistant | no | no |
| Shock resistant | no | no |
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Height | 5.44 in | 5.56 in |
| Width | 2.64 in | 2.74 in |
| Depth | 0.28 in | 0.35 in |
| Weight | 5.04 oz | 5.64 oz |
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Accelerometer | yes | yes |
| Proximity | yes | yes |
| Digital compass | yes | yes |
| Ambient light sensor | yes | yes |
| Fingerprint | yes | yes |
| Gyroscope | yes | yes |
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Dual sim support | no | yes |
| Sim card size | Nano-SIM | Nano-SIM |
| DLNA certified | no | no |
| Bluetooth | yes | yes |
| Bluetooth version | 4.2 | 4.1 |
| Bluetooth profile |
| A2DP |
| Bluetooth codec |
| SBC |
| NFC | yes | yes |
| Charging connection | Lightning | USB |
| Headphone connection | 3.5 mm | 3.5 mm |
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Wireless network (Wi-Fi) | yes | yes |
| Wireless networking standard |
|
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| Data transmission |
| HSPA+ |
| Navigation system |
|
|
| 2G GSM | yes | yes |
| GSM frequencies |
|
|
| 3G UMTS | yes | yes |
| UMTS frequences |
|
|
| 4G LTE | yes | yes |
| LTE frequencies |
|
|
| Mobile hotspot | yes | yes |
| Apple iPhone 6S | Xiaomi Redmi 4 | |
|---|---|---|
| Replaceable battery | no | no |
| Battery type | Lithium Polymer | Lithium ion |
| Battery capacity | 1715.0 mAh | 4100.0 mAh |
| Fast charging | no | no |
| Pros | ||
|---|---|---|
| Cons |
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