Samsung Galaxy S9 vs. Xiaomi MI Mix 3

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy S9 and Xiaomi MI Mix 3. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy S9 vs. Xiaomi MI Mix 3 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S9 Xiaomi MI Mix 3
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G960W -
Form Factor Touch Touch slider
Height 147.7 mm 157.89 mm Xiaomi MI Mix 3 has greater height than Samsung Galaxy S9.
Width 68.7 mm 74.69 mm Xiaomi MI Mix 3 has greater width than Samsung Galaxy S9.
Depth 8.5 mm 8.46 mm Xiaomi MI Mix 3 is narrower than Samsung Galaxy S9.
Weight 163 g 218 g Samsung Galaxy S9 is lighter than Samsung Galaxy S9.
Body Colour Titanium grey | Lilac purple | Midnight black | Coral blue Sapphire blue | Jade green
Body Material Metal frame -
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy S9 is waterproof.
IP rating IP68 -
SAR Value 1.08 W/kg (body), 0.63 W/kg (head) 1.568 W/kg (body), 1.448 W/kg (head)
Integrated Components Heart rate sensor -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Samsung Galaxy S9 Xiaomi MI Mix 3
Display Type OLED display OLED display
Display Technology Quad HD+ Super AMOLED AMOLED
Screen Size (Display Size) 5.8" 6.39" Xiaomi MI Mix 3 has larger screen size than Samsung Galaxy S9.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 2340 x 1080 pixels Samsung Galaxy S9 has better screen resolution than Xiaomi MI Mix 3.
Display Format QHD+ Full HD+
Pixel Density 570 ppi 403 ppi Samsung Galaxy S9 has better pixel density than Xiaomi MI Mix 3.
Aspect Ratio 18.5:9 19.5:9
Max Brightness - 600 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 60000:1
HDR Yes Yes Both phones have HDR.
Display Enhancement Technology - Sunlight mode
Display Features Always-on display, Edge Screen, Infinity Display Always-on display, Reading mode, Colour temperature adjustment, night mode
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Samsung Galaxy S9 Xiaomi MI Mix 3
Processor Type (CPU) Qualcomm Snapdragon 845 Qualcomm Snapdragon 845 AIE
Processor Number MSM8998 -
Clock Speed 2.8 GHz 2.8 GHz Both phones have the same clock speed.
Processor Core Qty 8-core -
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 630 Qualcomm ADRENO 630
MEMORY Samsung Galaxy S9 Xiaomi MI Mix 3
RAM LPDDR4 SDRAM - 4 GB LPDDR4X SDRAM - 6 GB Xiaomi MI Mix 3 has more RAM than Samsung Galaxy S9.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Xiaomi MI Mix 3 has more internal memory than Samsung Galaxy S9.
User Memory 48.8 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 400 GB -
CAMERA Samsung Galaxy S9 Xiaomi MI Mix 3
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 12 Megapixel 12 Megapixel Both phones have the same camera resolution.
Sensor Size 1/2.55" -
Sensor Name - Sony Exmor RS IMX363 sensor
Lens Type - Wide-angle lens
Lens Aperture F/1.5 & f/2.4 F/1.8 Samsung Galaxy S9 has better lens aperture than Samsung Galaxy S9.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) Both phones have optical image stabilization.
Focus Adjustment Automatic, manual Automatic
Digital Zoom 8x -
Self-Timer Delay Yes -
Special Effects Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers HDR
Camera Modes Panorama, Pro mode, Timer mode, HYPERLAPSE, Auto mode, low-light shots, Food mode, Super Slow-mo, AR Emoji Panorama, AI Beautify, Nightscape capture mode
Face Recognition (Face ID) Face detection Face recognition Both phones have face detection.
White Balance Custom, automatic -
Light Source LED flash LED light
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 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, 2560 x 1440 (QHD) at 30 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, 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) Selective Focus, Quick Launch, Playback zoom, Tracking Focus, Motion photo, Exposure, Shutter speed, geotagging, Continuous Auto Focus (CAF), RAW image capture, VDIS (Video Digital Image Stabilisation), High CRI LED flash, Tracking AF, Stamps, location tags, Hyperlapse video support 1080p, Live focus with bokeh filters, Super Speed Dual Pixel Dual Pixel Phase Detect Auto-Focus (PDAF), AI scene and object detection, AI Dual camera, AI dynamic bokeh, AI studio lighting, AI Super Resolution, AI special effects
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Sensor Name (2nd Camera) - Samsung S5K3M3+
FRONT CAMERA
Number of Front Cameras 1 2
Sensor Resolution (Front) 8 Megapixel 24 Megapixel Xiaomi MI Mix 3 has better front camera resolution than Samsung Galaxy S9.
Sensor Size (Front) 1/3.6" -
Sensor Type (Front) CMOS -
Sensor Name (Front) - Sony Exmor RS IMX576 sensor
Lens Aperture (Front) F/1.7 -
Focus Adjustment Automatic -
Special Effects (Front) HDR, Grid Line Magic mirror
HDR Mode (Front) - Auto HDR mode
Camera Modes (Front) Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus Bokeh Mode, AI makeup
Face Recognition (Face ID) - Face recognition Xiaomi MI Mix 3 has face detection.
Camera Features (Front) Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization) AI portrait mode, 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
BATTERY AND CHARGING Samsung Galaxy S9 Xiaomi MI Mix 3
Battery Capacity (Battery Size) 3000 mAh 3200 mAh Xiaomi MI Mix 3 has larger battery capacity than Samsung Galaxy S9.
Fast Charging Technology - Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 4.0+ Xiaomi MI Mix 3 has fast charging technology.
Wireless Charging Yes Yes Both phones can be charged wirelessly.
Wireless Charging Standards WPC, PMA Qi
Standby Time 326 hours -
Talk Time 1860 minutes -
Run Time Details Talk (3G): up to 1860 min
Active online usage (Wi-Fi): up to 14 hrs
Active online usage (3G): up to 12 hrs
Active online usage (LTE): up to 14 hrs
Playback (audio (Always On Display Off)): up to 90 hrs
Playback (audio (Always On Display On)): up to 51 hrs
Playback (video): up to 17 hrs
Standby (AOD off): up to 326 hrs
Standby (AOD on): up to 82 hrs
-
CELLULAR Samsung Galaxy S9 Xiaomi MI Mix 3
Technology TD-SCDMA / WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.0 Oreo -
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy S9 Xiaomi MI Mix 3
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 8, Band 9, Band 19
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1800, 1700, 850, 800, 900, 1700, 800
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 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 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 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 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 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, ANT+/ANT IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy S9 Xiaomi MI Mix 3
Supported Digital Audio Standards WAV, WMA, AAC, PCM, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, APE (Monkey's Audio), M4A, apt-X, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, OPUS, DFF, MID, AMR-WB, AMR-NB, Vorbis, DSD64, DSD128 WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB
Supported Digital Video Standards MKV, VC-1, FLV, AVC, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, HEVC, MP43, 3G2, WMV8, VP8, VP9, H.265, WMV7 MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP
Sound Enhancements Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound -
FEATURES Samsung Galaxy S9 Xiaomi MI Mix 3
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, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, pressure sensor, geomagnetic sensor Accelerometer, ambient light sensor, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor
Security Devices Face recognition, fingerprint reader, eye scan Fingerprint reader
Additional Phone Features Multitasking, Face Unlock, Wi-Fi Miracast, Multi Window, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Samsung DeX support, Bixby Vision, Intelligent Scan MIMO technology, MU-MIMO technology
OTHERS Samsung Galaxy S9 Xiaomi MI Mix 3
Included Accessories Power adapter, SIM card removal tool, USB Connector (USB-C), micro-USB connector, USB-C cable, headset (tuned by AKG) Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable, Xiaomi wireless charger
Compliant Standards IP68 -
Max Depth of Water Resistance 1.5 m -
Other projects: