Samsung Galaxy M21 vs Samsung Galaxy Z Fold 3 Specs Comparison

Availability

Officially announced
Mar 18, 2020	Aug 11, 2021
Prices (MSRP)
	$1799 | €1899

Design

Dimensions
6.26 x 2.96 x 0.35 inches 159.0 x 75.1 x 8.9 mm	6.23 x 5.04 x 0.25 inches (~0.30 inches with camera bump) 158.2 x 128.1 x 6.4 mm (~7.7 mm with camera bump)
Folded
	6.22 x2.64 x0.56 inches (158.2 x 67.1 x 14.4 mm)
Weight
6.63 oz / 188.0 g	9.56 oz / 271.0 g
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
	Dust; IPX8
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Midnight blue, Raven black	Phantom Black, Phantom Green, Phantom Silver

Display

Size
6.4-inch, 84.11% screen-to-body	7.6-inch, 88.57% screen-to-body
Type
Super AMOLED, 420 nits	Super AMOLED, 120Hz, 1200 nits
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2208x1768px, 22.5:18 ratio, 372 PPI
Protection
Corning Gorilla Glass 3
Features
Scratch-resistant glass, Proximity sensor	Folding inside the device, Ambient light sensor, Proximity sensor
Front cover display
	6.2 inches 2268 x832 px Super AMOLED 120Hz refresh rate, Folding inside the device, HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity senso

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	1.6 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Exynos 9611 (10 nm)	Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53	Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680
GPU
Mali-G72 MP3	Adreno 660
Memory
4GB (LPDDR4)/64GB 6GB/128GB	12GB (LPDDR5)/256GB (UFS 3.1) 12GB/512GB
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (11, 10)	Android (14, 13, 12, 11)

Battery

Type
6000 mAh, Li - Polymer	4400 mAh, Li - Polymer
Charging
Fast charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 11.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

4h 30min

Browsing

8h 15min

Video

6h 58min

Gaming

8h 24min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 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
8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm	12 MP (Telephoto, OIS, PDAF) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.6" Pixel size: 1.0 μm
Third camera
5 MP (Depth information) Aperture size: F2.2	12 MP (Ultra-wide, OIS) Aperture size: F2.2 Focal Length: 12 mm Pixel size: 1.12 μm
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p, 720p (240 fps) EIS	Yes HDR, Continuous autofocus, 10-bit HDR
Front
20 MP (HDR) Video capture: 1080p	4 MP (Under-screen, HDR) Folded: 10 MP Video capture: 4K UHD (30 fps)

Connectivity & Features

Bluetooth
5.0	5.2
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,Wi-Fi 6 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
	NFC

Multimedia

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

Cellular

5G Bands
	n2, n5, n25, n41, n66, n71, n260, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
1, 3, 5, 7, 8, 20	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
4G (TDD) Bands
38, 40, 41	38, 39, 40, 41, 46, 48
3G Bands
1, 2, 5, 8	1, 2, 5, 8, 9
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM, eSIM

Regulatory Approval

FCC approval
	Date approved: Jun 23, 2021 FCC ID value: A3LSMF926U
Measured SAR
	Head: 0.73 W/kg Body: 0.86 W/kg Simultaneous Transmission: 1.22 W/kg Wireless Router: 0.79 W/kg

Alternative variants

with 128GB storage

Memory	6GB/128GB

With 512GB internal storage

Memory	512GB
Prices (MSRP)	$1899

With Dual SIM and eSIM

SIM type	Dual Nano SIM + eSIM

Discover more

Full Specs Samsung Galaxy M21 Specs

Full Specs Samsung Galaxy Z Fold 3 Specs PA Review Samsung Galaxy Z Fold 3 Review