In depth comparison and review of Apple iPhone 6s and Xiaomi Redmi Note 9. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| Product Type | Smartphone - refurbished | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | A1688 | - | |
| Form Factor | Touch | Touch | |
| Height | 138.3 mm | 162.3 mm | Xiaomi Redmi Note 9 has greater height than Apple iPhone 6s. |
| Width | 67.1 mm | 77.2 mm | Xiaomi Redmi Note 9 has greater width than Apple iPhone 6s. |
| Depth | 7.1 mm | 8.9 mm | Apple iPhone 6s is narrower than Apple iPhone 6s. |
| Weight | 143 g | 199 g | Apple iPhone 6s is lighter than Apple iPhone 6s. |
| Body Colour | Space grey | Rose gold | Gold | Silver | Forest green | |
| Body Material | Stainless steel, glass, anodised aluminium | - | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.98 W/kg (body), 0.87 W/kg (head) | 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) | |
| Integrated Components | - | Ultra-linear speaker | |
| Connector Type | Headset jack - mini-phone 3.5mm Lightning |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | Retina HD display with IPS technology | - | |
| Screen Size (Display Size) | 4.7" | 6.53" | Xiaomi Redmi Note 9 has larger screen size than Apple iPhone 6s. |
| Screen Resolution (Display Resolution) | 1334 x 750 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 9 has better screen resolution than Apple iPhone 6s. |
| Display Format | - | Full HD+ | |
| Pixel Density | 326 ppi | - | |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | 500 cd/m² | 450 cd/m² | Apple iPhone 6s has better display brightness than Xiaomi Redmi Note 9. |
| Contrast Ratio | 1400:1 | 1500:1 | Xiaomi Redmi Note 9 has better display contrast ratio than Apple iPhone 6s. |
| Display Features | Dual-domain pixels, Display Zoom, Reachability (screen shifting), Landscape Views | Reading mode 2.0, Dot Display, Full Screen gestures | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| Processor Type (CPU) | Apple A9 | MediaTek Helio G85 | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | Yes | - | Apple iPhone 6s has 64-bit architecture. |
| Graphics System (GPU) | - | ARM G52 MC2 |
| MEMORY | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| RAM | - | 3 GB | |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Xiaomi Redmi Note 9 has more internal memory than Apple iPhone 6s. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSD |
| CAMERA | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9 has better camera resolution than Apple iPhone 6s. |
| Sensor Size | - | 1/2" | |
| Sensor Type | BSI | - | |
| Lens Aperture | F/2.2 | F/1.79 | Xiaomi Redmi Note 9 has better lens aperture than Apple iPhone 6s. |
| Lens Construction | 5-element | 6-element | |
| Field of View (FoV) | - | 79.4 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 3x | - | |
| Special Effects | - | HDR, Kaleidoscope | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode, Panorama, Time-lapse mode, Timer mode | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Light Source | LED light | Flash | |
| 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) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| 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 | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.2 μm | |
| Camera Features (2nd Camera) | - | 5-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | AF (2cm-10cm) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 13 Megapixel | Xiaomi Redmi Note 9 has better front camera resolution than Apple iPhone 6s. |
| Sensor Size (Front) | - | 1/3.06" | |
| Sensor Type (Front) | BSI | - | |
| Lens Aperture (Front) | F/2.2 | F/2.25 | Apple iPhone 6s has better front lens aperture than Apple iPhone 6s. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 74 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | - | HDR | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Burst mode, Timer mode | Panoramic selfies, AI portrait mode, AI Beautify | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Light Source (Front) | Retina Flash | Display flash | |
| Video Resolutions (Front) | 1280 x 720 (720p) | - | |
| Camera Features (Front) | FaceTime HD camera, Exposure control | Palm shutter, AI silhouette detection |
| BATTERY AND CHARGING | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| Battery Capacity (Battery Size) | - | 5020 mAh | |
|---|---|---|---|
| Standby Time | 240 hours | - | |
| Talk Time | 840 minutes | 1980 minutes | Xiaomi Redmi Note 9 has longer battery life when making calls than Apple iPhone 6s. |
| 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 |
Talk: up to 1980 min Gaming: up to 16 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
|
| Battery Technology | Lithium Ion | Lithium polymer |
| CELLULAR | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | iOS 9 | - | |
| Intelligent Assistant | Siri | - | |
| Payment Technology | Apple Pay | - | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSDPA, LTE Advanced, VoLTE, TDD-LTE, VoWiFi | VoLTE, FDD-LTE, TDD-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, 1900 GSM, 2100 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, 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 5.0 | |
| NFC | Yes | - | Apple iPhone 6s has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AIFF, PCM, Audible, MP3, Apple Lossless, AAC-LC, HE-AAC, Audible AAX, Audible AAX+, protected AAC | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MOV, M-JPEG, MPEG-4, H.264, M4V | MKV, XviD, M4V, MP4 | |
| Audio Amplifier | - | Smart PA |
| FEATURES | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, 3-axis gyro sensor, digital compass, barometer | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader | Face recognition, 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, HyperEngine technology |
| OTHERS | Apple iPhone 6s | Xiaomi Redmi Note 9 |
|---|
| Included Accessories | USB cable, power adapter, Apple EarPods | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | TUV Rheinland Low Blue Light Certification | |
| Max Operating Temperature | 35 °C | - | |
| Min Operating Temperature | 0 °C | - | |
| Humidity Range Operating | 5 - 95% (non-condensing) | - |
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