Xiaomi MI 9T vs. Xiaomi MI A3

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9T 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 9T vs. Xiaomi MI A3 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9T Xiaomi MI A3
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 156.7 mm 153.48 mm Xiaomi MI 9T has greater height than Xiaomi MI A3.
Width 74.3 mm 71.85 mm Xiaomi MI 9T has greater width than Xiaomi MI A3.
Depth 8.8 mm 8.475 mm Xiaomi MI A3 is narrower than Xiaomi MI 9T.
Weight 191 g 173.8 g Xiaomi MI A3 is lighter than Xiaomi MI 9T.
Body Colour Carbon black | Glacier blue Kind of grey
Body Material - Corning Gorilla Glass 5
Waterproof (Water-resistant) - -
SAR Value 1.511 W/kg (body), 1.341 W/kg (head) 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 9T Xiaomi MI A3
Display Type OLED display OLED display
Display Technology AMOLED AMOLED
Screen Size (Display Size) 6.39" 6.088" Xiaomi MI 9T has larger screen size than Xiaomi MI A3.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1560 x 720 pixels Xiaomi MI 9T has better screen resolution than Xiaomi MI A3.
Display Format Full HD+ HD+
Pixel Density 403 ppi -
Aspect Ratio 19.5:9 19.5:9
Max Brightness 600 cd/m² -
Contrast Ratio 60000:1 60000:1 Both phones have the same display contrast ratio.
HDR Yes - Xiaomi MI 9T has HDR.
HDR Technology HDR10 -
Display Enhancement Technology Sunshine mode 2.0 -
Display Features Reading mode, Colour temperature adjustment, night mode, 256 ranks adjustable Reading mode, Dark mode, Multi-colour Always-on display, Dynamic display 2.5D Glass, Dot Drop display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi MI 9T Xiaomi MI A3
Processor Type (CPU) Qualcomm Snapdragon 730 Qualcomm Snapdragon 665
Clock Speed 2.2 GHz 2 GHz Xiaomi MI 9T has higher clock speed than Xiaomi MI A3.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi MI 9T has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 618 Qualcomm ADRENO 610
MEMORY Xiaomi MI 9T Xiaomi MI A3
RAM 6 GB LPDDR4X SDRAM - 4 GB Xiaomi MI 9T has more RAM than Xiaomi MI A3.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
Supported Flash Memory Cards (Expandable Memory) - Up to 256 GB
CAMERA Xiaomi MI 9T Xiaomi MI A3
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Size 1/2" 1/2" Both phones have the same camera sensor size.
Sensor Name Sony Exmor RS IMX582 sensor -
Lens Type Wide-angle lens -
Lens Aperture F/1.75 F/1.79 Xiaomi MI 9T has better lens aperture than Xiaomi MI 9T.
Lens Construction - 6-element
Pixel Size 1.6 μm 1.6 μm Both phones have the same camera pixel size.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Optical Zoom 2x -
Digital Zoom 10x -
Special Effects HDR -
Camera Modes Burst mode, Panorama, Pro mode, AI Beautify, Smart ultra-wide angle mode, Photo timer, Custom watermark, Full body portrait mode, Baby Beautify, AI smart slimming AI portrait mode
Face Recognition (Face ID) Face recognition - Xiaomi MI 9T has face detection.
Light Source Flash 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, 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 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 960 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
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), video stabilisation, 4-in-1 Super Pixel, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking 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 8 Megapixel Both phones have the same second camera resolution.
Lens Type (2nd Camera) Telephoto lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/2.2 Xiaomi MI A3 has better second camera lens aperture than Xiaomi MI 9T.
Field of View (2nd Camera) - 118 degree(s)
Pixel Size (2nd Camera) 1.12 μm -
Optical Zoom 2x -
THIRD CAMERA
Sensor Resolution (3rd Camera) 13 Megapixel 2 Megapixel Xiaomi MI 9T has higher resolution third camera than Xiaomi MI A3.
Lens Type (3rd Camera) Ultra wide-angle lens -
Lens Aperture (3rd Camera) F/2.4 -
Field of View (3rd Camera) 124.8 degree(s) -
Pixel Size (3rd Camera) 1.12 μm -
Camera Functions (3rd Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Front Camera Design Pop-up -
Sensor Resolution (Front) 20 Megapixel 32 Megapixel Xiaomi MI A3 has better front camera resolution than Xiaomi MI 9T.
Lens Aperture (Front) F/2.2 F/2.0 Xiaomi MI A3 has better front lens aperture than Xiaomi MI 9T.
Lens Element Qty (Front) - 5-element
Field of View (Front) - 79 degree(s)
Pixel Size (Front) 0.8 μm 1.6 μm Xiaomi MI A3 has larger front camera pixel size than Xiaomi MI 9T.
Focus Adjustment - Focus free
Special Effects (Front) HDR, Magic mirror -
Camera Modes (Front) Selfie panorama, AI portrait mode, AI Beautify, AI makeup Selfie panorama, AI portrait mode, AI Beautify
Face Recognition (Face ID) Face recognition - Xiaomi MI 9T has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Self-timer, age recognition, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, sapphire crystal lens cover, ambient bulb, Palm shutter, AI silhouette detection, wide-angle distortion correction, camera display brightness correction 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock
BATTERY AND CHARGING Xiaomi MI 9T Xiaomi MI A3
Battery Capacity (Battery Size) 4000 mAh 4030 mAh Xiaomi MI A3 has larger battery capacity than Xiaomi MI 9T.
Fast Charging Technology - Qualcomm Quick Charge 3.0 Xiaomi MI A3 has fast charging technology.
CELLULAR Xiaomi MI 9T Xiaomi MI A3
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie -
User Interface MIUI 10 -
Intelligent Assistant - Google Assistant
Payment Technology Google Pay -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI 9T Xiaomi MI A3
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, 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 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300 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 5.0 Bluetooth 5.0
NFC Yes - Xiaomi MI 9T has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 9T Xiaomi MI A3
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, VP8, VP9 MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4
Sound Enhancements Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus -
FEATURES Xiaomi MI 9T Xiaomi MI A3
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, digital compass, gyro sensor, distance sensor, In-screen ambient light sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor
Security Devices Fingerprint reader (under display) Fingerprint reader (under display)
Additional Phone Features HD Voice, Dual microphones, MU-MIMO technology, Fast Charging, MI Turbo, GAME Turbo 2.0 AI face unlock
OTHERS Xiaomi MI 9T Xiaomi MI A3
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable Power adapter, SIM card removal tool, USB-C cable, soft case
Compliant Standards VDE -
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