Xiaomi Redmi 3S vs. Samsung Galaxy Note9 Unlocked

Phone Comparison, Reviews and Tests

Detailed comparison and review of Xiaomi Redmi 3S and Samsung Galaxy Note9 Unlocked. 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

Xiaomi Redmi 3S vs. Samsung Galaxy Note9 Unlocked Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-N960U1
Form Factor Touch Touch
Height 139.3 mm 161.9 mm Samsung Galaxy Note9 Unlocked has greater height than Xiaomi Redmi 3S.
Width 69.6 mm 76.4 mm Samsung Galaxy Note9 Unlocked has greater width than Xiaomi Redmi 3S.
Depth 8.5 mm 8.8 mm Xiaomi Redmi 3S is narrower than Xiaomi Redmi 3S.
Weight 144 g 201 g Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S.
Body Colour Gold Ocean blue
Body Material Metal -
Protection - Dustproof, splashproof, waterproof
Waterproof (Water-resistant) - Yes Samsung Galaxy Note9 Unlocked is waterproof.
IP rating - IP68
SAR Value 0.43 W/kg (body), 0.62 W/kg (head) 1.59 W/kg (simultaneous), 1.39 W/kg (wireless router), 1.03 W/kg (body), 1.29 W/kg (head)
Integrated Components - Heart rate sensor
Connector Type Micro-USB - 5 pin Micro-USB Type B USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM, nano SIM Nano SIM
SIM Card Qty Dual-SIM Single-SIM
SIM Card Configuration Details Micro SIM + nano SIM/microSD -
DISPLAY Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
Display Type - OLED display
Display Technology - Quad HD+ Super AMOLED
Screen Size (Display Size) 5" 6.4" Samsung Galaxy Note9 Unlocked has larger screen size than Xiaomi Redmi 3S.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2960 x 1440 pixels Samsung Galaxy Note9 Unlocked has better screen resolution than Xiaomi Redmi 3S.
Display Format HD QHD+
Pixel Density - 516 ppi
Colour Depth - 16.7 million colours
Display Features - Always-on display, Edge Screen, Infinity Display, Edge-to-Edge screen
PROCESSOR Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
Processor Type (CPU) Qualcomm Snapdragon 430 Qualcomm Snapdragon 845
Clock Speed 1.4 GHz 2.8 GHz Samsung Galaxy Note9 Unlocked has higher clock speed than Xiaomi Redmi 3S.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 505 Qualcomm ADRENO 630
MEMORY Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
RAM 2 GB LPDDR4 SDRAM - 8 GB Samsung Galaxy Note9 Unlocked has more RAM than Xiaomi Redmi 3S.
Internal Memory Size (Storage Capacity) 16 GB 512 GB Samsung Galaxy Note9 Unlocked has more internal memory than Xiaomi Redmi 3S.
User Memory - 463.4 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 512 GB
CAMERA Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 12 Megapixel Xiaomi Redmi 3S has better camera resolution than Samsung Galaxy Note9 Unlocked.
Sensor Size - 1/2.55"
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.5 & f/2.4 Samsung Galaxy Note9 Unlocked has better lens aperture than Xiaomi Redmi 3S.
Lens Construction 5-element -
Optical Image Stabiliser (OIS) - Dual OIS (Optical Image Stabilisation) Samsung Galaxy Note9 Unlocked has optical stabilisation.
Focus Adjustment Automatic Automatic
Optical Zoom - 2x
Digital Zoom - 10x
Special Effects HDR HDR, Bokeh effect, Grid Line
Camera Modes Panorama, manual mode Panorama, Pro mode, Timer mode, HYPERLAPSE, Auto mode, Food mode, Super Slow-mo, AR Emoji, Portraits, Flowers, Indoor scenes, Animals, Landscapes, Greenery, Trees, Sky, Mountains, Beaches, Sunrises and sunsets, Watersides, Street scenes, Night scenes, Waterfalls, Snow, Birds, Backlit, Text, Disney AR Emoji
Face Recognition (Face ID) - Face detection Samsung Galaxy Note9 Unlocked has face detection.
Light Source LED light 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, 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
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) Quick Launch, Playback zoom, Motion photo, VDIS (Video Digital Image Stabilisation), Live Focus, Dual Capture, High CRI LED flash, Tracking AF, Video location tags, Stamps, location tags, Continuous autofocus video, Hyperlapse video support 1080p, Live focus with bokeh filters, Super Speed Dual Pixel, background blur, Scene Optimiser, Eye blink, Motion blur, Lens smudge, Backlit, Full view, Flaw detection, 9.1MP still photos recording 4K video
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Sensor Size (2nd Camera) - 1/3.4"
Lens Type (2nd Camera) - Telephoto lens
Lens Aperture (2nd Camera) - F/2.4
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 8 Megapixel Samsung Galaxy Note9 Unlocked has better front camera resolution than Xiaomi Redmi 3S.
Sensor Size (Front) - 1/3.6"
Lens Type (Front) - Wide-angle lens
Lens Aperture (Front) F/2.2 F/1.7 Samsung Galaxy Note9 Unlocked has better front lens aperture than Xiaomi Redmi 3S.
Focus Adjustment - Automatic
Special Effects (Front) - HDR, Grid Line
Camera Modes (Front) Beautify Selfie mode Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus
Face Recognition (Face ID) Face recognition - Xiaomi Redmi 3S has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) - Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization), Full view, Flaw detection
BATTERY AND CHARGING Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
Battery Capacity (Battery Size) 4100 mAh 4000 mAh Xiaomi Redmi 3S has larger battery capacity than Samsung Galaxy Note9 Unlocked.
Wireless Charging - Yes Samsung Galaxy Note9 Unlocked can be charged wirelessly.
Wireless Charging Standards - WPC, PMA
Talk Time - 2280 minutes
Run Time Details - Talk (CDMA): up to 2280 min
Active online usage (3G): up to 15 hrs
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (audio): up to 60 hrs
Playback (audio (Always On Display Off)): up to 95 hrs
Playback (video): up to 21 hrs
Talk (WCDMA): up to 2280 min
CELLULAR Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
Technology 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 8.1 Oreo
User Interface MIUI V7 -
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS
COMMUNICATIONS Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 900 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
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 3, Band 5, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66, Band 71
4G LTE Frequency FDD 1800+, FDD 850, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3, FDD 600
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac, ANT+/ANT
Bluetooth Bluetooth 4.1 Bluetooth 5.0 LE
Bluetooth Profiles HID -
NFC - Yes Samsung Galaxy Note9 Unlocked has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, apt-X, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2
Sound Enhancements - Dolby Digital Plus sound, Dolby Atmos sound technology, Acoustic Overload Point, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
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 Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, pressure sensor, geomagnetic sensor
Security Devices - Face recognition, fingerprint reader, eye scan
Additional Phone Features Infrared remote control, Reading mode S Pen multi-input, Face Unlock, Wi-Fi Miracast, Screen Write, Smart Select, MU-MIMO technology, Fast Charging, Samsung KNOX, Face recognition, High AOP Mic, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, Smart Performance Adjuster, Dual Audio, water-carbon cooling system, S Pen remote function
OTHERS Xiaomi Redmi 3S Samsung Galaxy Note9 Unlocked
Included Accessories USB cable, power adapter, SIM card removal tool Power adapter, tweezer, SIM card removal tool, USB connector, USB-C cable, S Pen, Pen nibs, headset (tuned by AKG)
Compliant Standards - IP68
Max Depth of Water Resistance - 1.5 m
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