Samsung Galaxy S21 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.

8.5	8.0
Samsung Galaxy S21	Samsung Galaxy Z Flip 3
Released · Jan 29, 2021	Released · Aug 27, 2021
6.2-inch · 2400x1080px	6.7-inch · 2636x1080px
Triple camera	Dual camera
8GB · 128GB	8GB · 128GB
4000 mAh	3300 mAh
Check prices	Check prices

Design

Dimensions
5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm	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
6.03 oz (171.0 g)	6.46 oz (183.0 g)
Materials
Back: Plastic Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
Water, Dust; IP68	Dust; IPX8
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Phantom pink, Violet, Gray, White	Phantom Black, Cream, Lavender

Display

Size
6.2-inch	6.7-inch
Resolution
2400x1080px, 20:9 ratio, 424 PPI	2636x1080px, 22:9 ratio, 425 PPI
Technology
Dynamic AMOLED	Dynamic AMOLED
Refresh rate
120Hz (adaptive)	120Hz
Screen-to-body
86.06 %	84.79 %
Peak brightness
1300 cd/m2 (nit)	1200 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), 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 (5 nm)	Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz 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)	8GB (LPDDR5)
Internal storage
128GB (UFS 3.0)	128GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (13, 12, 11), Samsung One UI	Android (14, 13, 12, 11), One UI

Battery

Capacity
4000 mAh	3300 mAh
Type
Li - Polymer	Li - Polymer
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging	Fast charging, Qi wireless charging, Reverse wired charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 15.0W Wireless: 10.0W

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Battery Life Estimate

Untested

Browsing

10h 13min

Video

7h 10min

Gaming

Untested

Camera

Rear
Triple camera	Dual camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm	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, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	12 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 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
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS	Yes HDR, Continuous autofocus, Picture-taking during video recording
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	10 MP (Autofocus, HDR), Video capture: 3840x2160 (4K UHD) (30 fps)

Connectivity & Features

Bluetooth
5.0	5.1
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C, USB 3.1
Hearing aid compatible
M3/T3	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, ANT+	NFC

Multimedia

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

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, 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)	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)	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)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U	Date approved: Jun 23, 2021 FCC ID value: A3LSMF711U
Measured SAR
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	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
$ 800	$ 999 / € 1099
In The Box
C to C Data Cable, Ejection Pin

Availability

Officially announced
Jan 14, 2021	Aug 11, 2021

Alternative variants

with 256GB storage


Internal storage	256GB

With 256GB internal storage


Internal storage	256GB

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

With Dual SIM


Dual SIM	Yes
SIM type	Nano SIM, eSIM

Links

Full specifications
Samsung Galaxy S21 Specs	Samsung Galaxy Z Flip 3 Specs
PhoneArena Review
Samsung Galaxy S21 Review	Samsung Galaxy Z Flip 3 Review
User Reviews
Samsung Galaxy S21 User Reviews	Samsung Galaxy Z Flip 3 User Reviews