Xiaomi MI 4i vs. Apple iPhone X

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 4i and Apple iPhone X. 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

Xiaomi MI 4i vs. Apple iPhone X Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 4i Apple iPhone X
Product Type Smartphone Smartphone
Manufacturer Model Number - A1901
Form Factor Touch Touch
Height 138.1 mm 143.6 mm Apple iPhone X has greater height than Xiaomi MI 4i.
Width 69.6 mm 70.9 mm Apple iPhone X has greater width than Xiaomi MI 4i.
Depth 7.8 mm 7.7 mm Apple iPhone X is narrower than Xiaomi MI 4i.
Weight 130 g 174 g Xiaomi MI 4i is lighter than Xiaomi MI 4i.
Body Colour Black | Dark grey | White Space grey | Silver
Body Material - Glass, oleophobic coating, surgical‑grade stainless steel
Protection - Dustproof, splashproof, waterproof
Waterproof (Water-resistant) - Yes Apple iPhone X is waterproof.
IP rating - IEC 60529 IP67
Repairability Index - 4.8 (out of 10)
SAR Value 1.29 W/kg 1.17 W/kg (body), 1.08 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Lightning
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty Dual-SIM Single-SIM
DISPLAY Xiaomi MI 4i Apple iPhone X
Display Type LCD display OLED display
Display Technology IPS Super Retina HD
Screen Size (Display Size) 5" 5.8" Apple iPhone X has larger screen size than Xiaomi MI 4i.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2436 x 1125 pixels Apple iPhone X has better screen resolution than Xiaomi MI 4i.
Display Format Full HD -
Pixel Density 441 ppi 458 ppi Apple iPhone X has better pixel density than Xiaomi MI 4i.
Max Brightness - 625 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 1000000:1
HDR - Yes Apple iPhone X has HDR.
HDR Technology - HDR10
Display Enhancement Technology - Dolby Vision
Display Features - True Tone display
Display Protection (Screen Protector) Corning Concore Glass Fingerprint-resistant oleophobic coating
PROCESSOR Xiaomi MI 4i Apple iPhone X
Processor Type (CPU) Qualcomm Snapdragon 615 Apple A11 Bionic - with M11 motion
Clock Speed 1.7 GHz -
Processor Core Qty 8-core -
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 405 -
MEMORY Xiaomi MI 4i Apple iPhone X
RAM 2 GB -
Internal Memory Size (Storage Capacity) 16 GB 64 GB Apple iPhone X has more internal memory than Xiaomi MI 4i.
CAMERA Xiaomi MI 4i Apple iPhone X
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 12 Megapixel Xiaomi MI 4i has better camera resolution than Apple iPhone X.
Sensor Type - BSI
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.8 Apple iPhone X has better lens aperture than Xiaomi MI 4i.
Lens Construction 5-element 6-element
Optical Image Stabiliser (OIS) - Dual OIS (Optical Image Stabilisation) Apple iPhone X has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
HDR Mode Auto HDR mode Auto HDR mode
Camera Modes Panorama, manual mode Burst mode, Panorama, Time-lapse mode, Timer mode, tap to focus, portrait mode, Portrait Lighting (beta), Live Photos, Live Photos with stabilisation
Face Recognition (Face ID) Face detection, smile detection Body and face detection Both phones have face detection.
Light Source Dual LED flash True Tone quad LED flash
Video Resolutions 1920 x 1080 (1080p) 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
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)
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Telephoto lens
Lens Aperture (2nd Camera) - F/2.4
Camera Functions (2nd Camera) - Capture depth information
FRONT CAMERA
Number of Front Cameras 1 2
Sensor Resolution (Front) 5 Megapixel 7 Megapixel Apple iPhone X has better front camera resolution than Xiaomi MI 4i.
Sensor Type (Front) - BSI
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.8 F/2.2 Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i.
Lens Element Qty (Front) 5-element -
HDR Mode (Front) - Auto HDR mode
Camera Modes (Front) - Burst mode, Timer mode, portrait mode, Portrait Lighting (beta), Live Photos
Face Recognition (Face ID) - Body and face detection, face recognition Apple iPhone X has face detection.
Light Source (Front) - Retina Flash
Video Resolutions (Front) - 1920 x 1080 (1080p)
Camera Features (Front) - FaceTime HD camera, Exposure control, Auto image stabilisation, Animoji
SECOND FRONT CAMERA
Camera Functions (2nd Front) - Infrared camera for Face ID
Camera Features (2nd Front) - Flood Illuminator, Dot Projector
BATTERY AND CHARGING Xiaomi MI 4i Apple iPhone X
Battery Capacity (Battery Size) 3120 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 2100 minutes 1260 minutes Xiaomi MI 4i has longer battery life when making calls than Apple iPhone X.
Run Time Details Talk (WCDMA): up to 2100 min 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
Battery Technology Lithium Ion Lithium Ion
CELLULAR Xiaomi MI 4i Apple iPhone X
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 5.0.2 (Lollipop) iOS 11
User Interface MIUI V6 -
Intelligent Assistant - Siri
Payment Technology - Apple Pay
Navigation GPS, A-GPS, GLONASS, BeiDou A-GPS, GLONASS, Galileo, QZSS
COMMUNICATIONS Xiaomi MI 4i Apple iPhone X
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSDPA, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE, VoWiFi
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
4G LTE Band Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 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
4G LTE Frequency FDD 1800+, FDD 2600, 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 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
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0
Bluetooth Profiles A2DP, HID -
NFC - Yes Apple iPhone X has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 4i Apple iPhone X
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ Audible, MP3, FLAC, Apple Lossless, AC-3, AAC-LC, LPCM, HE-AAC, Audible AAX, Audible AAX+, protected AAC, EAC3, HE-AAC v2
Supported Digital Video Standards XviD, MPEG-4, DivX, H.264 M-JPEG, H.264, HEVC, MPEG-4 Part 2, HEIF
FEATURES Xiaomi MI 4i Apple iPhone X
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor Accelerometer, ambient light sensor, proximity sensor, 3-axis gyro sensor, digital compass, barometer
Security Devices - Face recognition
Security Technology - Face ID
Additional Phone Features MIMO technology, Active noise-cancellation 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
OTHERS Xiaomi MI 4i Apple iPhone X
Included Accessories Power adapter Power adapter, Apple EarPods with Lightning Connector, Lightning to USB cable
Compliant Standards - IEC 60529 IP67, 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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