Samsung Galaxy Note 21 vs Samsung Galaxy Z Flip 3 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

8.0
Samsung Galaxy Z Flip 3
Samsung Galaxy Note 21 Samsung Galaxy Z Flip 3
Not announced · No information
Released · Aug 27, 2021
6.8-inch
6.7-inch
Triple camera
Dual camera
8GB · 128GB
3300 mAh
Check prices

Design

Dimensions
6.54 x 2.84 x 0.27 inches (~0.33 inches with camera bump)
166 x 72.2 x 6.9 mm (~8.3 mm with camera bump)
Folded
2.84 x3.40 x0.62 inches (72.2 x 86.4 x 15.9 mm)
Weight
6.46 oz (183.0 g)
Materials
Back: Glass Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Resistance
Water, Dust; IP68 Dust; IPX8
Biometrics
Ultrasonic in-screen fingerprint Fingerprint (touch)
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key
Colors
Phantom Black, Cream, Lavender

Display

Size
6.8-inch 6.7-inch
Resolution
2636x1080px, 22:9 ratio, 425 PPI
Technology
AMOLED Dynamic AMOLED
Refresh rate
120Hz
Screen-to-body
84.79 %
Peak brightness
1200 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor Folding inside the device, HDR support, Ambient light sensor, Proximity sensor
Front cover display
1.9 inches
260 x512 px
AMOLED
HDR support, Ambient light sensor, Proximity senso

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm) Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core
2840 MHz
Kryo 680
Octa-core
1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680
GPU
Adreno 660 Adreno 660
RAM
8GB (LPDDR5)
Internal storage
128GB (UFS 3.1)
Storage expansion
not expandable
OS
Android (11) Android (14, 13, 12, 11), One UI

Battery

Capacity
3300 mAh
Type
Li - Polymer
Charging
Fast charging, Qi wireless charging, Reverse wired charging
Charge speed
Wired: 15.0W
Wireless: 10.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
Untested
Browsing
10h 13min
Video
7h 10min
Gaming
Untested

Camera

Rear
Triple camera Dual camera
Main camera
12 MP (OIS, Autofocus)
Aperture size: F1.8
Focal length: 27 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Pixel size: 1.12 μm
Flash
LED
Video recording
Yes Yes
HDR, Continuous autofocus, Picture-taking during video recording
Front
10 MP (Autofocus, HDR), Video capture: 3840x2160 (4K UHD) (30 fps)

Connectivity & Features

Bluetooth
5.1 5.1
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band
Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac
Wi-Fi Direct, Hotspot
USB
Type-C Type-C, USB 3.1
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou
Sensors
Accelerometer Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC NFC

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
aptX, aptX-HD
Screen mirroring
Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

5G
Bands SA, NSA, Sub-6, mmWave Bands n2, n5, n25, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave
4G (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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM

Regulatory Approval

FCC approval
Date approved: Jun 23, 2021
FCC ID value: A3LSMF711U
Measured SAR
Head: 1.05 W/kg
Body: 1.08 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.21 W/kg

Buyers information

MSRP
$ 999 / € 1099

Availability

Officially announced
Aug 11, 2021

Alternative variants

With 256GB internal storage
Internal storage 256GB
With Dual SIM
Dual SIM Yes
SIM type Nano SIM, eSIM
FCC OKs Cingular\'s purchase of AT&T Wireless