Detailed comparison and review of Apple iPhone 6s and Xiaomi Redmi Note 4. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| Product Type | Smartphone - refurbished | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | A1688 | - | |
| Form Factor | Touch | Touch | |
| Height | 138.3 mm | 151 mm | Xiaomi Redmi Note 4 has greater height than Apple iPhone 6s. |
| Width | 67.1 mm | 76 mm | Xiaomi Redmi Note 4 has greater width than Apple iPhone 6s. |
| Depth | 7.1 mm | 8.38 mm | Apple iPhone 6s is narrower than Apple iPhone 6s. |
| Weight | 143 g | 175 g | Apple iPhone 6s is lighter than Apple iPhone 6s. |
| Body Colour | Space grey | Rose gold | Gold | Silver | Grey | Silver | Gold | |
| Body Material | Stainless steel, glass, anodised aluminium | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.98 W/kg (body), 0.87 W/kg (head) | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Lightning |
Micro-USB - 5 pin Micro-USB Type B Headset jack |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM, nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Retina HD display with IPS technology | IPS | |
| Screen Size (Display Size) | 4.7" | 5.5" | Xiaomi Redmi Note 4 has larger screen size than Apple iPhone 6s. |
| Screen Resolution (Display Resolution) | 1334 x 750 pixels | 1920 x 1080 pixels | Xiaomi Redmi Note 4 has better screen resolution than Apple iPhone 6s. |
| Display Format | - | Full HD | |
| Pixel Density | 326 ppi | 401 ppi | Xiaomi Redmi Note 4 has better pixel density than Apple iPhone 6s. |
| Max Brightness | 500 cd/m² | - | |
| Contrast Ratio | 1400:1 | 1000:1 | Apple iPhone 6s has better display contrast ratio than Xiaomi Redmi Note 4. |
| Display Features | Dual-domain pixels, Display Zoom, Reachability (screen shifting), Landscape Views | Night Display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating | - |
| PROCESSOR | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| Processor Type (CPU) | Apple A9 | MediaTek Helio X20 | |
|---|---|---|---|
| Clock Speed | - | 2.1 GHz | |
| Processor Core Qty | - | 10-core | |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | - | Mali T880 MP4 |
| MEMORY | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| RAM | - | 2 GB | |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Xiaomi Redmi Note 4 has better camera resolution than Apple iPhone 6s. |
| Sensor Type | BSI | - | |
| Lens Aperture | F/2.2 | F/2.0 | Xiaomi Redmi Note 4 has better lens aperture than Apple iPhone 6s. |
| Lens Construction | 5-element | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 3x | - | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Burst mode, Panorama, Time-lapse mode, Timer mode | Burst mode, Panorama | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p), 1280 x 720 (720p) | |
| Camera Features (Functions) | Sapphire crystal lens cover, Cinematic video stabilisation, Focus Pixels, Cinematic video stabilisation, Live Photo, Playback zoom, Hybrid IR filter, Exposure control, noise reduction, geotagging | Phase Detect Auto-Focus (PDAF) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Sensor Type (Front) | BSI | - | |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Xiaomi Redmi Note 4 has better front lens aperture than Apple iPhone 6s. |
| Special Effects (Front) | - | Real-time face beautification | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Burst mode, Timer mode | - | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Light Source (Front) | Retina Flash | - | |
| Video Resolutions (Front) | 1280 x 720 (720p) | - | |
| Camera Features (Front) | FaceTime HD camera, Exposure control | - |
| BATTERY AND CHARGING | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| Battery Capacity (Battery Size) | - | 4100 mAh | |
|---|---|---|---|
| Standby Time | 240 hours | - | |
| Talk Time | 840 minutes | - | |
| Run Time Details | Talk (3G): up to 840 min Standby: up to 240 hrs Active online usage (3G): up to 10 hrs Active online usage (LTE): up to 10 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (video): up to 11 hrs Playback (audio): up to 50 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | iOS 9 | Android 6.0 (Marshmallow) | |
| User Interface | - | MIUI 8 | |
| Intelligent Assistant | Siri | - | |
| Payment Technology | Apple Pay | - | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSDPA, LTE Advanced, VoLTE, TDD-LTE, VoWiFi | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 1900 CDMA2000 1X, 1700 CDMA2000 1X (AWS), 2100 CDMA2000 1X (AWS) | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 27, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 800 SMR, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| Bluetooth Profiles | - | HID | |
| NFC | Yes | - | Apple iPhone 6s has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AIFF, PCM, Audible, MP3, Apple Lossless, AAC-LC, HE-AAC, Audible AAX, Audible AAX+, protected AAC | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MOV, M-JPEG, MPEG-4, H.264, M4V | MKV, VC-1, XviD, MPEG-4, H.264, M4V, H.265 |
| FEATURES | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, 3-axis gyro sensor, digital compass, barometer | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Multitasking, FaceTime, AirPlay wireless streaming, AirPrint wireless printing, iCloud Photo Sharing, AirDrop function, Apple TV support (2nd, 3rd), MIMO technology, Wi-Fi Calling, iBeacon microlocation, CarPlay function, Family Sharing feature, QuickType keyboard, iCloud Keychain, Spotlight Search, Notification Center, M9 motion coprocessor | Infrared remote control |
| OTHERS | Apple iPhone 6s | Xiaomi Redmi Note 4 |
|---|
| Included Accessories | USB cable, power adapter, Apple EarPods | Power adapter | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | - | |
| Max Operating Temperature | 35 °C | - | |
| Min Operating Temperature | 0 °C | - | |
| Humidity Range Operating | 5 - 95% (non-condensing) | - |
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