Samsung Galaxy A9 (2018) vs. Xiaomi MI Mix 3 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A9 (2018) and Xiaomi MI Mix 3 5G. 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

Samsung Galaxy A9 (2018) vs. Xiaomi MI Mix 3 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A920F/DS -
Form Factor Touch Touch slider
Height 162.5 mm 157.89 mm Samsung Galaxy A9 (2018) has greater height than Xiaomi MI Mix 3 5G.
Width 77 mm 74.69 mm Samsung Galaxy A9 (2018) has greater width than Xiaomi MI Mix 3 5G.
Depth 7.8 mm 8.46 mm Samsung Galaxy A9 (2018) is narrower than Samsung Galaxy A9 (2018).
Weight 183 g 225 g Samsung Galaxy A9 (2018) is lighter than Samsung Galaxy A9 (2018).
Body Colour Lemonade blue | Caviar black | Bubblegum pink Sapphire blue | Onyx black
Waterproof (Water-resistant) - -
SAR Value 1.587 W/kg (body), 0.351 W/kg (head) 1.577 W/kg (body), 1.557 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM -
SIM Card Qty Single-SIM Single-SIM
DISPLAY Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
Display Type OLED display OLED display
Display Technology Super AMOLED AMOLED
Screen Size (Display Size) 6.3" 6.39" Xiaomi MI Mix 3 5G has larger screen size than Samsung Galaxy A9 (2018).
Screen Resolution (Display Resolution) 2220 x 1080 pixels 2340 x 1080 pixels Xiaomi MI Mix 3 5G has better screen resolution than Samsung Galaxy A9 (2018).
Display Format Full HD+ Full HD+
Pixel Density - 403 ppi
Aspect Ratio - 19.5:9
Max Brightness - 600 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 60000:1
HDR - Yes Xiaomi MI Mix 3 5G has HDR.
Display Enhancement Technology - Sunlight mode
Display Features Always-on display Always-on display, Reading mode, Colour temperature adjustment, night mode
PROCESSOR Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
Processor Type (CPU) Qualcomm Snapdragon 660 Qualcomm Snapdragon 855
Clock Speed 2.2 GHz 2.84 GHz Xiaomi MI Mix 3 5G has higher clock speed than Samsung Galaxy A9 (2018).
Processor Core Qty 8-core -
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 640
MEMORY Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
RAM 6 GB LPDDR4X SDRAM - 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface - UFS 2.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB -
CAMERA Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
MAIN CAMERA
Number of Main Cameras 4 2
Sensor Resolution 24 Megapixel 12 Megapixel Samsung Galaxy A9 (2018) has better camera resolution than Xiaomi MI Mix 3 5G.
Sensor Name - Sony Exmor RS IMX363 sensor
Lens Type - Wide-angle lens
Lens Aperture F/1.7 F/1.8 Samsung Galaxy A9 (2018) has better lens aperture than Samsung Galaxy A9 (2018).
Pixel Size - 1.4 μm
Optical Image Stabiliser (OIS) - 4-axis OIS (Optical Image Stabilisation) Xiaomi MI Mix 3 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects - HDR
Camera Modes - Panorama, Nightscape capture mode, Personalized AI Beautify
Face Recognition (Face ID) - Face recognition Xiaomi MI Mix 3 5G has face detection.
Light Source LED flash 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, Slo-mo video 1280 x 720 (720p) at 120 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) at 960 fps
Camera Features (Functions) - AI scene and object detection, Dual Pixel Autofocus technology, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, AI dynamic bokeh, AI studio lighting, AI Super Resolution, low-light enhancement technology, AI special effects
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Xiaomi MI Mix 3 5G has better second camera resolution than Samsung Galaxy A9 (2018).
Sensor Name (2nd Camera) - Samsung S5K3M3+
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.4 -
Pixel Size (2nd Camera) - 1 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) 10 Megapixel -
Lens Type (3rd Camera) Telephoto lens -
Lens Aperture (3rd Camera) F/2.4 -
Optical Zoom 2x -
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel -
Lens Aperture (4th Camera) F/2.2 -
FRONT CAMERA
Number of Front Cameras 1 2
Sensor Resolution (Front) 24 Megapixel 24 Megapixel Both phones have the same front camera resolution.
Sensor Name (Front) - Sony Exmor RS IMX576 sensor
Lens Aperture (Front) F/2.0 -
Pixel Size (Front) - 1.8 μm
Special Effects (Front) - Magic mirror
HDR Mode (Front) - Auto HDR mode
Camera Modes (Front) - Bokeh Mode, AI Beautify, AI makeup
Face Recognition (Face ID) - Face recognition Xiaomi MI Mix 3 5G has face detection.
Camera Features (Front) - AI portrait mode, 4-in-1 Super Pixel technology, Video Beautify, AI scene detection, AI dynamic bokeh, AI studio lighting, AI real-time video background blurring, AI eye light
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) - 2 Megapixel
Sensor Name (2nd Front) - OC0A10
Pixel Size (2nd Front) - 1.75 μm
BATTERY AND CHARGING Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
Battery Capacity (Battery Size) 3800 mAh 3800 mAh Both phones have the same battery capacity.
Fast Charging Technology - Qualcomm Quick Charge 4.0+ Xiaomi MI Mix 3 5G has fast charging technology.
CELLULAR Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
Technology WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 5G Xiaomi MI Mix 3 5G has more advanced generation mobile network.
Operating System Android 8.0 Oreo -
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X
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 20, Band 28, Band 34, Band 38, Band 39, 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 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500
5G NR Band - N78
5G NR Frequency - TDD TD 3500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP
FEATURES Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
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, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor Accelerometer, ambient light sensor, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader
Additional Phone Features MIMO technology, Bixby Vision MIMO technology, MU-MIMO technology
OTHERS Samsung Galaxy A9 (2018) Xiaomi MI Mix 3 5G
Included Accessories Power adapter Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable
Other projects: