Samsung Galaxy Note9 vs Samsung Galaxy S21 Specs Comparison

Design

Dimensions
6.37 x 3.01 x 0.35 inches 161.9 x 76.4 x 8.8 mm	5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm
Weight
7.09 oz (201.0 g)	6.03 oz (171.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum	Back: Plastic Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch)	2D Face unlock, Ultrasonic in-screen fingerprint
Features
Notification light, Stylus
Keys
Left: Volume control, Lock/Unlock key; Right: Other	Right: Volume control, Lock/Unlock key
Colors
Midnight black, Ocean blue, Cloud silver, Lavender purple	Phantom pink, Violet, Gray, White

Display

Size
6.4-inch	6.2-inch
Resolution
2960x1440px, 18.5:9 ratio, 516 PPI	2400x1080px, 20:9 ratio, 424 PPI
Technology
Super AMOLED	Dynamic AMOLED
Refresh rate
	120Hz (adaptive)
Screen-to-body
83.51 %	86.06 %
Peak brightness
	1300 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 630	Adreno 660
Memory
6GB (LPDDR4)/128GB	8GB (LPDDR5)/128GB (UFS 3.0)
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (10, 9.0 Pie, 8.1 Oreo)	Android (13, 12, 11)

Battery

Type
4000 mAh, Li - Ion	4000 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging Qi and Powermat wireless charging	Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Triple camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm
Second camera
12 MP (Telephoto, OIS, Autofocus) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.4" Pixel size: 1 μm	12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
	64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Flash
LED	LED
Video recording
4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, EIS	8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
Front
8 MP (Wide Angle, Autofocus) Video capture: QHD (30 fps)	10 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	Type-C, USB 3.2
Hearing aid compatible
M4/T3	M3/T3
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, ANT+	NFC, ANT+

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos	32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM, Stereo, RDS
Additional microphone(s)
Noise cancellation	Noise cancellation, Video recording

Cellular

5G
	Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38, 39, 40, 41, 46	Bands 38, 39, 40, 41, 46, 48
3G
Bands 5, 8, 4, 2, 1	Bands 1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Jul 03, 2018 FCC ID value: A3LSMN960U	Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U
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	Head: 0.36 W/kg Body: 1.08 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.09 W/kg Phablet: 2.49 W/kg

Buyers information

MSRP
$ 1000	$ 800
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.	C to C Data Cable, Ejection Pin

Availability

Officially announced
Aug 09, 2018	Jan 14, 2021

Alternative variants

With 512 GB storage

Memory	8GB/512GB
MSRP	$ 1250

with 256GB storage

Memory	256GB

International version

System chip	Samsung Exynos 9 9810 (10 nm)
Processor	Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55
GPU	Mali-G72 MP18
4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32(1500 L-band), 66(AWS-3)
4G (TDD)	Bands 38, 39, 40, 41
Dual SIM	Yes
Location	GPS, A-GPS, Glonass, Galileo, BeiDou
FCC approval	Date approved: Jul 02, 2018 FCC ID value: A3LSMN960F
Measured SAR	Head: 0.23 W/kg Body: 0.85 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.40 W/kg Phablet: 3.98 W/kg

for Europe

System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 2900 MHz 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU	Mali G78 MP14
Weight	5.96 oz (169.0 g)
5G	Bands SA, NSA, Sub-6
FCC approval	Date approved: Dec 18, 2020 FCC ID value: A3LSMG991B
Measured SAR	Head: 0.42 W/kg Body: 0.94 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.34 W/kg Phablet: 2.37 W/kg

for Verizon

4G (FDD)	Bands 2, 3, 4, 5, 7, 8, 13, 18, 19, 20, 26, 28, 66(AWS-3)
3G	Bands 5, 8, 2, 1

for AT&T

4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 14, 18, 19, 20, 28, 29(700 d), 30(2300 WCS), 66(AWS-3)

for T-Mobile

4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 27, 66(AWS-3), 71(600)
3G	Bands 5, 4, 2, 1

for Sprint

4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66(AWS-3), 71(600)

for U.S. Cellular

4G (FDD)	Bands 2, 4, 5, 8, 12, 13, 18, 19, 25, 66(AWS-3), 71(600)
4G (TDD)	Bands 38, 39, 40, 46
3G	Bands 5, 8, 2, 1

Links

Full specifications
Samsung Galaxy Note9 Specs	Samsung Galaxy S21 Specs
PhoneArena Review
Samsung Galaxy Note9 Review	Samsung Galaxy S21 Review
User Reviews
Samsung Galaxy Note9 User Reviews	Samsung Galaxy S21 User Reviews