Apple iPhone X vs. Xiaomi Redmi Note 9S

Phone Comparison, Reviews and Tests

In depth comparison and review of Apple iPhone X and Xiaomi Redmi Note 9S. 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.

Phone Specifications Comparison

Apple iPhone X vs. Xiaomi Redmi Note 9S Comparison Chart
DESIGN AND DIMENSIONS Apple iPhone X Xiaomi Redmi Note 9S
Product Type Smartphone Smartphone
Manufacturer Model Number A1901 -
Form Factor Touch Touch
Height 143.6 mm 165.75 mm Xiaomi Redmi Note 9S has greater height than Apple iPhone X.
Width 70.9 mm 76.68 mm Xiaomi Redmi Note 9S has greater width than Apple iPhone X.
Depth 7.7 mm 8.8 mm Apple iPhone X is narrower than Apple iPhone X.
Weight 174 g 209 g Apple iPhone X is lighter than Apple iPhone X.
Body Colour Space grey | Silver Aurora blue
Body Material Glass, oleophobic coating, surgical‑grade stainless steel Curved 3D glass, Gorilla glass 5
Protection Dustproof, splashproof, waterproof Dustproof, splashproof
Waterproof (Water-resistant) Yes - Apple iPhone X is waterproof.
IP rating IEC 60529 IP67 -
Repairability Index 4.8 (out of 10) -
SAR Value 1.17 W/kg (body), 1.08 W/kg (head) 0.98 W/kg (body), 0.72 W/kg (head), 2.35 W/kg (limb)
Integrated Components - Ultra-linear speakers
Connector Type 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 X Xiaomi Redmi Note 9S
Display Type OLED display LCD display
Display Technology Super Retina HD -
Screen Size (Display Size) 5.8" 6.67" Xiaomi Redmi Note 9S has larger screen size than Apple iPhone X.
Screen Resolution (Display Resolution) 2436 x 1125 pixels 2400 x 1080 pixels Apple iPhone X has better screen resolution than Xiaomi Redmi Note 9S.
Display Format - Full HD+
Pixel Density 458 ppi -
Max Brightness 625 cd/m² -
Contrast Ratio 1000000:1 1500:1 Apple iPhone X has better display contrast ratio than Xiaomi Redmi Note 9S.
HDR Yes Yes Both phones have HDR.
HDR Technology HDR10 -
Display Enhancement Technology Dolby Vision -
Display Features True Tone display Reading mode 2.0, Dot Display
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Apple iPhone X Xiaomi Redmi Note 9S
Processor Type (CPU) Apple A11 Bionic - with M11 motion Qualcomm Snapdragon 720G
Clock Speed - 2.3 GHz
Processor Core Qty - 8-core
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 618
MEMORY Apple iPhone X Xiaomi Redmi Note 9S
RAM - 4 GB
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 512 GB
CAMERA Apple iPhone X Xiaomi Redmi Note 9S
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel Xiaomi Redmi Note 9S has better camera resolution than Apple iPhone X.
Sensor Size - 1/2"
Sensor Type BSI -
Lens Type Wide-angle lens -
Lens Aperture F/1.8 F/1.79 Xiaomi Redmi Note 9S has better lens aperture than Apple iPhone X.
Lens Construction 6-element 6-element
Field of View (FoV) - 79 degree(s)
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) - Apple iPhone X has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom 10x -
Special Effects - HDR, Kaleidoscope
HDR Mode Auto HDR mode -
Camera Modes Burst mode, Panorama, Time-lapse mode, Timer mode, tap to focus, portrait mode, Portrait Lighting (beta), Live Photos, Live Photos with stabilisation Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits
Face Recognition (Face ID) Body and face detection Face recognition Both phones have face detection.
Light Source True Tone quad LED flash Dual LED flash
Still Image Resolutions - 8000 x 6000
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, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 3840 x 2160 (4K) at 24 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps 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, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) Sapphire crystal lens cover, Cinematic video stabilisation, Focus Pixels, Cinematic video stabilisation, Playback zoom, Hybrid IR filter, Exposure control, noise reduction, geotagging, Continuous Auto Focus (CAF) 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) 12 Megapixel 8 Megapixel Apple iPhone X has better second camera resolution than Xiaomi Redmi Note 9S.
Lens Type (2nd Camera) Telephoto lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/2.2 Xiaomi Redmi Note 9S has better second camera lens aperture than Apple iPhone X.
Field of View (2nd Camera) - 119 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
Camera Functions (2nd Camera) Capture depth information -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1.12 μm
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - AF (2cm-10cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Pixel Size (4th Camera) - 1.75 μm
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 7 Megapixel 16 Megapixel Xiaomi Redmi Note 9S has better front camera resolution than Apple iPhone X.
Sensor Type (Front) BSI -
Lens Aperture (Front) F/2.2 F/2.48 Apple iPhone X has better front lens aperture than Apple iPhone X.
Pixel Size (Front) - 1 μm
Special Effects (Front) - HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Burst mode, Timer mode, portrait mode, Portrait Lighting (beta), Live Photos Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie
Face Recognition (Face ID) Body and face detection, face recognition Face recognition Both phones have face detection.
Light Source (Front) Retina Flash Display flash
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) FaceTime HD camera, Exposure control, Auto image stabilisation, Animoji AI scene detection, Palm shutter, AI silhouette detection
SECOND FRONT CAMERA
Camera Functions (2nd Front) Infrared camera for Face ID -
Camera Features (2nd Front) Flood Illuminator, Dot Projector -
BATTERY AND CHARGING Apple iPhone X Xiaomi Redmi Note 9S
Battery Capacity (Battery Size) - 5020 mAh
Fast Charging Technology Apple fast charging technology - Apple iPhone X has fast charging technology.
Wireless Charging Yes - Apple iPhone X can be charged wirelessly.
Wireless Charging Standards Qi -
Talk Time 1260 minutes 1980 minutes Xiaomi Redmi Note 9S has longer battery life when making calls than Apple iPhone X.
Run Time Details Talk: up to 1260 min
Active online usage: up to 12 hrs
Playback (wireless video): up to 13 hrs
Playback (wireless audio): up to 60 hrs
Talk: up to 1980 min
Gaming: up to 13 hrs
Playback (Music): up to 147 hrs
Navigation: up to 16 hrs
Battery Technology Lithium Ion Lithium Ion
CELLULAR Apple iPhone X Xiaomi Redmi Note 9S
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System iOS 11 -
User Interface - MIUI 10
Intelligent Assistant Siri -
Payment Technology Apple Pay Google Pay
Navigation A-GPS, GLONASS, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Apple iPhone X Xiaomi Redmi Note 9S
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSDPA, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE, VoWiFi GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 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 28, Band 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40
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 700 APT, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 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
Wireless Interface IEEE 802.11ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes - Apple iPhone X has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Apple iPhone X Xiaomi Redmi Note 9S
Supported Digital Audio Standards Audible, MP3, FLAC, Apple Lossless, AC-3, AAC-LC, LPCM, HE-AAC, Audible AAX, Audible AAX+, protected AAC, EAC3, HE-AAC v2 WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), MP4
Supported Digital Video Standards M-JPEG, H.264, HEVC, MPEG-4 Part 2, HEIF MKV, XviD, M4V, MP4
Audio Amplifier - Smart PA
FEATURES Apple iPhone X Xiaomi Redmi Note 9S
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, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor
Security Devices Face recognition Face recognition, fingerprint reader (side)
Security Technology Face ID A.I. face recognition
Additional Phone Features Multitasking, FaceTime, AirPrint wireless printing, iCloud Photo Sharing, AirDrop function, MIMO technology, Wi-Fi Calling, iBeacon microlocation, CarPlay function, QuickType keyboard, Handoff, HomeKit, Apple TV support (2nd or later), Fast Charging, AirPlay 2 wireless streaming, M11 motion coprocessor, Neural Engine Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor
OTHERS Apple iPhone X Xiaomi Redmi Note 9S
Included Accessories Power adapter, Apple EarPods with Lightning Connector, Lightning to USB cable Protective cover, SIM card removal tool, USB-C cable, 18W charger
Compliant Standards IEC 60529 IP67, HAC (Hearing Aid Compatible) TUV Rheinland
Max Operating Temperature 35 °C -
Min Operating Temperature 0 °C -
Humidity Range Operating 5 - 95% (non-condensing) -
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