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Samsung Galaxy Note 21 vs Samsung Galaxy Note9

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.8 inches
6.4 inches

Resolution:

2960 x 1440 pixels, 18.5:9 ratio, 516 PPI

Technology:

AMOLED
Super AMOLED

Screen-to-body:

83.51 %

Features:

Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 888 SM8350
Qualcomm Snapdragon 845 SDM845

Processor:

Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm

GPU:

Adreno 660
Adreno 630

RAM:

6GB LPDDR4

Internal storage:

128GB

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (11)
Android (10, 9.0 Pie, 8.1 Oreo), Samsung One UI

Battery

Capacity:

4000 mAh

Type:

Not user replaceable
Li - Ion, Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging

Camera

Rear:

Triple camera
Dual camera

Main camera:

12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

12 MP (Telephoto, OIS, Autofocus)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.4"; Pixel size: 1 μm

Video recording:

Yes
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, EIS

Front:

8 MP (Wide Angle, Autofocus)

Video capture:

2560x1440 (QHD) (30 fps)

Design

Dimensions:

6.37 x 3.01 x 0.35 inches (161.9 x 76.4 x 8.8 mm)

Weight:

7.09 oz (201.0 g)

Materials:

Back: Glass
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

Ultrasonic in-screen fingerprint
Iris scanner, 2D Face unlock, Fingerprint (touch)

Features:

Stylus
Notification light, Stylus

Keys:

Left: Volume control, Lock/Unlock key; Right: Other

Colors:

Midnight black, Ocean blue, Cloud silver, Lavender purple

Cellular

5G:

SA, NSA, Sub-6, mmWave

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46

UMTS:

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Data Speed:

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA

SIM type:

Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

32-Bit DAC, Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.1
5.0

Wi-Fi:

802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible)
Type-C (reversible), USB 3.1

Features:

Charging, Headphones port
Charging, OTG, Video out

Location:

GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

NFC
NFC, ANT+

Hearing aid compatible:

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Jul 03, 2018

FCC ID value:

A3LSMN960U

Measured SAR:

Head:

0.27 W/kg

Body:

0.76 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.35 W/kg

Phablet:

3.90 W/kg

Buyers information

Price:

$ 1000

In The Box:

S Pen, USB Cable, Earphones, SIM removal tool, USB power adaptor, USB connector, Pen, nibs, Tweezer, Clear cover case, Quick start guide, USB connector leaflet.

Availability

Officially announced:

Aug 09, 2018
FCC OKs Cingular\'s purchase of AT&T Wireless