Samsung Galaxy Z Fold 3 vs Xiaomi Mi Mix 4 Specs Comparison

Availability

Officially announced
Aug 11, 2021	Aug 10, 2021
Prices (MSRP)
$1799 | €1899

Design

Dimensions
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)	6.40 x 2.97 x 0.31 inches 162.6 x 75.4 x 8 mm
Folded
6.22 x2.64 x0.56 inches (158.2 x 67.1 x 14.4 mm)
Weight
9.56 oz (271.0 g)	7.94 oz (225.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum	Back: Ceramic Frame: Aluminum
Resistance
Dust; IPX8	Splash, Dust; IP53
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Phantom Black, Phantom Green, Phantom Silver	Ceramic Black, Ceramic White, Shadow Gray

Display

Size
7.6-inch, 88.57% screen-to-body	6.7-inch, 87.59% screen-to-body
Type
Super AMOLED, 120Hz, 1200 nits	AMOLED, 120Hz, HDR
Resolution
2208x1768px, 22.5:18 ratio, 372 PPI	2400x1080px, 20:9 ratio, 395 PPI
Protection
	Corning Gorilla Glass Victus
Features
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

Hardware

System chip
Snapdragon 888 SM8350 (5 nm)	Snapdragon 888+ SM8350-AC (5 nm)
Processor
Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680	Octa-core Kryo 680 Prime
GPU
Adreno 660	Adreno 660
Memory
12GB (LPDDR5)/256GB (UFS 3.1) 12GB/512GB	8GB (LPDDR5)/128GB (UFS 3.1) 8GB/256GB 12GB/256GB 12GB/512GB
Storage expansion
not expandable	not expandable
OS
Android (14, 13, 12, 11)	Android (11)

Battery

Type
4400 mAh, Li - Polymer	4500 mAh, Li - Ion
Charging
Fast charging Qi wireless charging, Reverse wireless charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W Wireless: 11.0W	Wired: 120.0W Wireless: 50.0W

PhoneArena Battery Tests

Battery Life Estimate

4h 30min

Browsing

8h 15min

Video

6h 58min

Gaming

8h 24min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple 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	108 MP (OIS, Laser and PDAF) Aperture size: F1.9 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm
Second camera
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	13 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
Third camera
12 MP (Ultra-wide, OIS) Aperture size: F2.2 Focal Length: 12 mm Pixel size: 1.12 μm	8 MP (Periscope, OIS, PDAF) Optical zoom: 5.0x
Flash
LED	Dual LED
Video recording
Yes HDR, Continuous autofocus, 10-bit HDR	8K UHD (24 fps), 4K UHD (60 fps), 1080p (480 fps), 720p (480 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking
Front
4 MP (Under-screen, HDR) Folded: 10 MP Video capture: 4K UHD (30 fps)	20 MP (Under-screen) Video capture: 1080p

Connectivity & Features

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

Multimedia

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

Cellular

5G Bands
n2, n5, n25, n41, n66, n71, n260, SA, NSA, Sub-6, mmWave	n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71	1, 2, 3, 4, 5, 8, 12, 17, 18, 19, 20, 26, 28
4G (TDD) Bands
38, 39, 40, 41, 46, 48	34, 38, 39, 40, 41, 42
3G Bands
1, 2, 5, 8, 9	1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM, eSIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

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 512GB internal storage

Memory	512GB
Prices (MSRP)	$1899

With 256GB internal storage

Memory	256GB

With Dual SIM and eSIM

SIM type	Dual Nano SIM + eSIM

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB

With 12GB RAM and 512GB internal storage

Memory	12GB/512GB

Links

Full specifications
Samsung Galaxy Z Fold 3 Specs	Xiaomi Mi Mix 4 Specs
PhoneArena Review
Samsung Galaxy Z Fold 3 Review
User Reviews
Samsung Galaxy Z Fold 3 User Reviews