Xiaomi MI 4i vs. Xiaomi MI A3

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 4i and Xiaomi MI A3. 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. Xiaomi MI A3 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 4i Xiaomi MI A3
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 138.1 mm 153.48 mm Xiaomi MI A3 has greater height than Xiaomi MI 4i.
Width 69.6 mm 71.85 mm Xiaomi MI A3 has greater width than Xiaomi MI 4i.
Depth 7.8 mm 8.475 mm Xiaomi MI 4i is narrower than Xiaomi MI 4i.
Weight 130 g 173.8 g Xiaomi MI 4i is lighter than Xiaomi MI 4i.
Body Colour Black | Dark grey | White Kind of grey
Body Material - Corning Gorilla Glass 5
Waterproof (Water-resistant) - -
SAR Value 1.29 W/kg 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 4i Xiaomi MI A3
Display Type LCD display OLED display
Display Technology IPS AMOLED
Screen Size (Display Size) 5" 6.088" Xiaomi MI A3 has larger screen size than Xiaomi MI 4i.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1560 x 720 pixels Xiaomi MI 4i has better screen resolution than Xiaomi MI A3.
Display Format Full HD HD+
Pixel Density 441 ppi -
Aspect Ratio - 19.5:9
Colour Depth 16.7 million colours -
Contrast Ratio - 60000:1
Display Features - 2.5D Glass, Dot Drop display
Display Protection (Screen Protector) Corning Concore Glass Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi MI 4i Xiaomi MI A3
Processor Type (CPU) Qualcomm Snapdragon 615 Qualcomm Snapdragon 665
Clock Speed 1.7 GHz 2 GHz Xiaomi MI A3 has higher clock speed than Xiaomi MI 4i.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi MI 4i has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 405 Qualcomm ADRENO 610
MEMORY Xiaomi MI 4i Xiaomi MI A3
RAM 2 GB LPDDR4X SDRAM - 4 GB Xiaomi MI A3 has more RAM than Xiaomi MI 4i.
Internal Memory Size (Storage Capacity) 16 GB 64 GB Xiaomi MI A3 has more internal memory than Xiaomi MI 4i.
Supported Flash Memory Cards (Expandable Memory) - Up to 256 GB
CAMERA Xiaomi MI 4i Xiaomi MI A3
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 48 Megapixel Xiaomi MI A3 has better camera resolution than Xiaomi MI 4i.
Sensor Size - 1/2"
Lens Aperture F/2.0 F/1.79 Xiaomi MI A3 has better lens aperture than Xiaomi MI 4i.
Lens Construction 5-element 6-element
Pixel Size - 1.6 μm
Focus Adjustment Automatic Automatic
HDR Mode Auto HDR mode -
Camera Modes Panorama, manual mode AI portrait mode
Face Recognition (Face ID) Face detection, smile detection - Xiaomi MI 4i has face detection.
Light Source Dual LED flash 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, 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
Camera Features (Functions) - Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 118 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Camera Functions (3rd Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 32 Megapixel Xiaomi MI A3 has better front camera resolution than Xiaomi MI 4i.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.8 F/2.0 Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i.
Lens Element Qty (Front) 5-element 5-element
Field of View (Front) - 79 degree(s)
Pixel Size (Front) - 1.6 μm
Focus Adjustment - Focus free
Camera Modes (Front) - Selfie panorama, AI portrait mode, AI Beautify
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) - 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock
BATTERY AND CHARGING Xiaomi MI 4i Xiaomi MI A3
Battery Capacity (Battery Size) 3120 mAh 4030 mAh Xiaomi MI A3 has larger battery capacity than Xiaomi MI 4i.
Fast Charging Technology - Qualcomm Quick Charge 3.0 Xiaomi MI A3 has fast charging technology.
Talk Time 2100 minutes -
Run Time Details Talk (WCDMA): up to 2100 min -
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 4i Xiaomi MI A3
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) -
User Interface MIUI V6 -
Intelligent Assistant - Google Assistant
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI 4i Xiaomi MI A3
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 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 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 20, Band 28, Band 38, Band 40
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 800 DD, FDD 700 APT, TDD 2600, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac Infrared (IrDA), IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0
Bluetooth Profiles A2DP, HID -
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 4i Xiaomi MI A3
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB
Supported Digital Video Standards XviD, MPEG-4, DivX, H.264 MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4
FEATURES Xiaomi MI 4i Xiaomi MI A3
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, digital compass, gyro sensor, vibration sensor
Security Devices - Fingerprint reader (under display)
Additional Phone Features MIMO technology, Active noise-cancellation AI face unlock
OTHERS Xiaomi MI 4i Xiaomi MI A3
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable, soft case
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