This post full copy from google because it is all about phone
now days best phone samsung galaxy s9plus
Display
5.8" Quad HD+ Super AMOLED (2960x1440) 570 ppi
6.2" Quad HD+ Super AMOLED (2960x1440) 529 ppi
*Infinity Display: a near bezel-less, full-frontal, edge-to-edge screen.
*Default resolution is Full HD+ and can be changed to Quad HD+ in Settings.
*Screen measured diagonally as a full rectangle without accounting for the rounded corners.
Camera
Front Camera
8MP AF sensor
Sensor size: 1/3.6"
Pixel size: 1.22µm
Sensor ratio: 4:3
FOV: 80˚
F1.7 aperture
Selfie focus
Selfie
Wide selfie
Rear Camera
FoodAuto/ProHyperlapsePanoramaSuper Slow-mo
*Super Slow-mo only supports HD resolution. Limited to 20 shots per video with approximately 0.2 seconds of recording and 6 seconds of playback for each shot.
Galaxy S9
OIS (Optical Image Stabilization)
Digital zoom up to 8x
Selective Focus (background blur effect)
Illustrated rear view image of Galaxy S9
Rear camera
Super Speed Dual Pixel
12MP AF sensor
Sensor size: 1/2.55"
Pixel size: 1.4µm
Sensor ratio: 4:3
FOV: 77˚
Dual Aperture: F1.5 mode/ F2.4 mode
Galaxy S9+
Dual camera
Dual OIS (Optical Image Stabilization)
Optical zoom at 2x
Digital zoom up to 10x
Live focus with bokeh filters (background blur effect)
Dual Capture
Illustrated rear view image of Galaxy S9+
Wide-angle camera
Super Speed Dual Pixel
12MP AF sensor
Sensor size: 1/2.55"
Pixel size: 1.4µm
Sensor ratio: 4:3
FOV: 77˚
Dual Aperture: F1.5 mode/ F2.4 mode
Telephoto camera
12MP AF sensor
Sensor size: 1/3.6"
Pixel size: 1.0µm
Sensor ratio: 4:3
FOV: 45˚
F2.4 aperture
Front & Rear Camera
VDIS (Video Digital Image Stabilization)AR EmojiGrid linesHDR (High Dynamic Range)Motion photoLocation tagsFull viewFiltersTimerFloating camera buttonStampsQuick launch
*Apps that do not support animated GIFs may still send AR Emoji stickers as a still image.
Video Recording
4K video recording at 30 fps or 60fps
QHD video recording at 30 fps
1080p HD video recording at 30 fps or 60 fps
720p HD video recording at 30 fps
Super Slow-mo video support 720p at 960 fps
Slow motion video support 1080p at 240 fps
Hyperlapse video support 1080p
VDIS (Video Digital Image Stabilization)
Digital zoom up to 8x (Galaxy S9) or up to 10x (Galaxy S9+)
High CRI LED Flash
Continuous autofocus video
Face detection
Tracking AF
Take 9.1-megapixel still photos while recording 4K video
Playback zoom
Video location tags
*Super Slow-mo only supports HD resolution. Limited to 20 shots per video with approximately 0.2 seconds of recording and 6 seconds of playback for each shot.
Performance
AP
10nm 64-bit Octa-Core Processor *2.8GHz + 1.7GHz (Maximum Clock Speed, Performance Core + Efficiency Core)
10nm 64-bit Octa-Core Processor *2.7GHz + 1.7GHz (Maximum Clock Speed, Performance Core + Efficiency Core)
*May differ by country and carrier.
Memory
Galaxy S9
4GB RAM
64GB
Galaxy S9+
6GB RAM
64GB
*May differ by country and carrier.
*Actual user memory may be less due to pre-installed operating system/softwares and may change after software updates.
Network & Connectivity
Enhanced 4x4 MIMO/CA, LAA, LTE Cat.18
*May differ by country and carrier.
Wi-Fi 802.11 a/b/g/n/ac (2.4/5GHz), VHT80 MU-MIMO, 1024QAM
Bluetooth® v5.0 (LE up to 2Mbps), ANT+, USB type-C, NFC, location (GPS, Galileo, Glonass, BeiDou)
*Galileo and BeiDou coverage may be limited. BeiDou may not be available for certain countries.
Expandable Memory & SIM Card
Single SIM model: one Nano SIM and one MicroSD slot (up to 400GB)
Dual SIM model (Hybrid SIM slot): one Nano SIM and one Nano SIM or one MicroSD slot (up to 400GB)
*May differ by country and carrier.
*Availability of Dual SIM may vary by country and carrier.
*MicroSD card sold separately.
OS
Android 8.0 (Oreo)
Audio
Stereo speakers tuned by AKG
Surround sound with Dolby Atmos technology (Dolby Digital, Dolby Digital Plus included)
Ultra High Quality Audio Playback
UHQ 32-bit & DSD support PCM: Up to 32 bits
DSD: DSD64/128
*DSD64 and DSD128 playback can be limited depending on the file format.
Audio playback format
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, APE, DSF, DFF
Bluetooth
Dual Audio: connect two Bluetooth devices to the Galaxy S9 or S9+ to play audio through the two devices simultaneously.
*The two connected devices may exhibit a slight difference in sound output.
Scalable Codec: Enhanced Bluetooth connection under ambient radio frequency interference.
*Available only for certain accessories made by Samsung.
Recording
Recording quality is improved with the High AOP Mic that minimizes distortion in noisy environments.
*AOP: Acoustic Overload Point
Bundled Earphones
Pure sound tuned by AKG
Hybrid canal type
2way dynamic unit
Video
Video Playback Formats
MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
TV Connection
Wireless: Smart View (Miracast 1080p at 30 fps, mirroring support available for devices supporting Miracast or Google Cast)
With cable: supports DisplayPort over USB type-C. Supports video out when connecting via HDMI Adapter (DisplayPort 4K 60 fps).
Water Resistance
IP68
*Based on test conditions of submersion in up to 1.5 meters of fresh water for up to 30 minutes.
Battery
Galaxy S9
Battery Capacity
3000mAh
Battery Life
MP3 playback (AOD on): up to 48 hrs
MP3 playback (AOD off): up to 80 hrs
Video playback: up to 16 hrs
Talk time: up to 22 hrs
Internet use (Wi-Fi): up to 14 hrs
Internet use (3G): up to 11 hrs
Internet use (4G): up to 12 hrs
Galaxy S9+
Battery Capacity
3500mAh
Battery Life
MP3 playback (AOD on): up to 54 hrs
MP3 playback (AOD off): up to 94 hrs
Video playback: up to 18 hrs
Talk time: up to 25 hrs
Internet use (Wi-Fi): up to 15 hrs
Internet use (3G): up to 13 hrs
Internet use (4G): up to 15 hrs
*Based on internal lab test condition. Actual battery life may vary depending on device model, usage pattern, other surrounding and environmental factors.
Charging
Fast Charging on wired and wireless
Wireless charging compatible with WPC and PMA
Sensors & Buttons
Sensors
Iris sensor
Fingerprint sensor
HR sensor
Pressure sensor
Gyro sensor
Proximity sensor
Accelerometer
Geomagnetic sensor
RGB Light sensor
Barometer
Hall sensor
Buttons
On/Off key
Volume key
Bixby key
