Samsung Galaxy S9+ vs. Xiaomi Redmi Note 9S

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy S9+ and Xiaomi Redmi Note 9S. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Samsung Galaxy S9+ vs. Xiaomi Redmi Note 9S Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S9+ Xiaomi Redmi Note 9S
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G965F -
Form Factor Touch Touch
Height 158.1 mm 165.75 mm Xiaomi Redmi Note 9S has greater height than Samsung Galaxy S9+.
Width 73.8 mm 76.68 mm Xiaomi Redmi Note 9S has greater width than Samsung Galaxy S9+.
Depth 8.5 mm 8.8 mm Samsung Galaxy S9+ is narrower than Samsung Galaxy S9+.
Weight 189 g 209 g Samsung Galaxy S9+ is lighter than Samsung Galaxy S9+.
Body Colour Lilac purple Aurora blue
Body Material Metal frame Curved 3D glass, Gorilla glass 5
Protection Dustproof, splashproof, waterproof Dustproof, splashproof
Waterproof (Water-resistant) Yes - Samsung Galaxy S9+ is waterproof.
IP rating IP68 -
SAR Value 1.35 W/kg (body), 0.294 W/kg (head) 0.98 W/kg (body), 0.72 W/kg (head), 2.35 W/kg (limb)
Integrated Components - Ultra-linear speakers
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 Single-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy S9+ Xiaomi Redmi Note 9S
Display Type OLED display LCD display
Display Technology Quad HD+ Super AMOLED -
Screen Size (Display Size) 6.2" 6.67" Xiaomi Redmi Note 9S has larger screen size than Samsung Galaxy S9+.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 2400 x 1080 pixels Samsung Galaxy S9+ has better screen resolution than Xiaomi Redmi Note 9S.
Display Format QHD+ Full HD+
Pixel Density 529 ppi -
Aspect Ratio 18.5:9 -
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
HDR Yes Yes Both phones have HDR.
Display Features Always-on display, Infinity Display, Curved Dual-Edge Screen Reading mode 2.0, Dot Display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Samsung Galaxy S9+ Xiaomi Redmi Note 9S
Processor Type (CPU) Samsung Exynos Qualcomm Snapdragon 720G
Processor Number 9810 -
Clock Speed 2.7 GHz 2.3 GHz Samsung Galaxy S9+ has higher clock speed than Xiaomi Redmi Note 9S.
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 618
MEMORY Samsung Galaxy S9+ Xiaomi Redmi Note 9S
RAM LPDDR4 SDRAM - 6 GB 4 GB Samsung Galaxy S9+ has more RAM than Xiaomi Redmi Note 9S.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
User Memory 50.3 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy S9+ Xiaomi Redmi Note 9S
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel Xiaomi Redmi Note 9S has better camera resolution than Samsung Galaxy S9+.
Sensor Size 1/2.55" 1/2" Samsung Galaxy S9+ has better camera sensor size than Xiaomi Redmi Note 9S.
Lens Type Wide-angle lens -
Lens Aperture F/1.5 and f/2.4 F/1.79 Samsung Galaxy S9+ has better lens aperture than Samsung Galaxy S9+.
Lens Construction - 6-element
Field of View (FoV) - 79 degree(s)
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) - Samsung Galaxy S9+ has optical stabilisation.
Focus Adjustment Automatic, manual Automatic
Optical Zoom 2x -
Digital Zoom 10x -
Special Effects Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers HDR, Kaleidoscope
Camera Modes Panorama, Slow motion mode, Pro mode, Timer mode, HYPERLAPSE, Auto mode, low-light shots, Food mode, Super Slow-mo, AR Emoji Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits
Face Recognition (Face ID) Face detection Face recognition Both phones have face detection.
White Balance Custom, automatic -
Light Source LED flash Dual LED 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, 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, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) Selective Focus, Quick Launch, Playback zoom, Tracking Focus, Dual Pixel technology, Motion photo, Exposure, Shutter speed, geotagging, Continuous Auto Focus (CAF), RAW image capture, VDIS (Video Digital Image Stabilisation), Dual Capture, High CRI LED flash, Tracking AF, 9MP still photos recording 4K video, Video location tags, Stamps, location tags, Continuous autofocus video, Hyperlapse video support 1080p, Live focus with bokeh filters, Super Speed Dual Pixel 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Samsung Galaxy S9+ has better second camera resolution than Xiaomi Redmi Note 9S.
Sensor Size (2nd Camera) 1/3.4" -
Lens Type (2nd Camera) Telephoto lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/2.2 Xiaomi Redmi Note 9S has better second camera lens aperture than Samsung Galaxy S9+.
Field of View (2nd Camera) - 119 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1.12 μm
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - AF (2cm-10cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Pixel Size (4th Camera) - 1.75 μm
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 16 Megapixel Xiaomi Redmi Note 9S has better front camera resolution than Samsung Galaxy S9+.
Sensor Size (Front) 1/3.6" -
Lens Aperture (Front) F/1.7 F/2.48 Samsung Galaxy S9+ has better front lens aperture than Samsung Galaxy S9+.
Pixel Size (Front) - 1 μm
Focus Adjustment Automatic -
Special Effects (Front) HDR, Grid Line HDR
Camera Modes (Front) Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie
Face Recognition (Face ID) - Face recognition Xiaomi Redmi Note 9S has face detection.
Light Source (Front) - Display flash
Camera Features (Front) Quick launch, Motion photo, Stamps, Smart Auto Focus, location tags, VDIS (Video Digital Image Stabilization) AI scene detection, Palm shutter, AI silhouette detection
BATTERY AND CHARGING Samsung Galaxy S9+ Xiaomi Redmi Note 9S
Battery Capacity (Battery Size) 3500 mAh 5020 mAh Xiaomi Redmi Note 9S has larger battery capacity than Samsung Galaxy S9+.
Wireless Charging Yes - Samsung Galaxy S9+ can be charged wirelessly.
Wireless Charging Standards WPC, PMA -
Talk Time 1500 minutes 1980 minutes Xiaomi Redmi Note 9S has longer battery life when making calls than Samsung Galaxy S9+.
Run Time Details Active online usage (LTE): up to 15 hrs
Active online usage (3G): up to 13 hrs
Talk (3G): up to 1500 min
Playback (audio): up to 54 hrs
Playback (Always On Display Off): up to 94 hrs
Playback (video): up to 18 hrs
Active online usage (Wi-Fi): up to 15 hrs
Talk: up to 1980 min
Gaming: up to 13 hrs
Playback (Music): up to 147 hrs
Navigation: up to 16 hrs
Battery Technology - Lithium Ion
CELLULAR Samsung Galaxy S9+ Xiaomi Redmi Note 9S
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 8.0 Oreo -
User Interface - MIUI 10
Intelligent Assistant Bixby -
Payment Technology Samsung Pay Google Pay
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy S9+ Xiaomi Redmi Note 9S
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) 850 GSM, 900 GSM, 1900 GSM, 2100 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 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 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, 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, PBAP, MAP, HOGP -
NFC Yes - Samsung Galaxy S9+ has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy S9+ Xiaomi Redmi Note 9S
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, AMR, MP3, FLAC, APE (Monkey's Audio), MP4
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, XviD, M4V, MP4
Sound Enhancements Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound -
Audio Amplifier - Smart PA
FEATURES Samsung Galaxy S9+ Xiaomi Redmi Note 9S
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, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor
Security Devices Face recognition, fingerprint reader, eye scan Face recognition, fingerprint reader (side)
Security Technology - A.I. face recognition
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 Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor
OTHERS Samsung Galaxy S9+ Xiaomi Redmi Note 9S
Included Accessories Power adapter, SIM card removal tool, USB Connector (USB-C), micro-USB connector, USB-C cable, headset (tuned by AKG) Protective cover, SIM card removal tool, USB-C cable, 18W charger
Compliant Standards IP68 TUV Rheinland
Max Depth of Water Resistance 1.5 m -
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