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

Availability

Officially announced
Sep 24, 2019	Aug 11, 2021
Scheduled release
December 2019
Prices (MSRP)
	$1799 | €1899

Design

Dimensions
6.08 x 2.85 x 0.41 inches 154.38 x 72.3 x 10.4 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
8.50 oz / 241.0 g	9.56 oz / 271.0 g
Materials
Frame: Titanium	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
	Dust; IPX8
Biometrics
Optical in-screen fingerprint	Fingerprint (touch)
Keys
	Right: Volume control, Lock/Unlock key
Colors
Black	Phantom Black, Phantom Green, Phantom Silver

Display

Size
7.9-inch, 180.49% screen-to-body	7.6-inch, 88.57% screen-to-body
Type
OLED	Super AMOLED, 120Hz, 1200 nits
Resolution
2250x2088px, 388 PPI	2208x1768px, 22.5:18 ratio, 372 PPI
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

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
Snapdragon 855+ SM8150-AC (7 nm)	Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core 2960 MHz Kryo 485	Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680
GPU
Adreno 640	Adreno 660
Memory
12GB (LPDDR4)/512GB	12GB (LPDDR5)/256GB (UFS 3.1) 12GB/512GB
Storage expansion
	not expandable
OS
Android (10)	Android (14, 13, 12, 11)

Battery

Type
4050 mAh, Li - Ion	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, Doubles as a selfie camera	Triple camera
Main camera
108 MP (Sapphire crystal lens cover, OIS, Laser and PDAF) Aperture size: F1.7 Sensor size: 1/1.33" 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
12 MP (Sapphire crystal lens cover, Laser and PDAF) Optical zoom: 2.0x Aperture size: F2.0 Sensor size: 1/2.55" Pixel size: 1.4 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
20 MP (Ultra-wide, Sapphire crystal lens cover, Laser autofocus) Aperture size: F2.2 Sensor size: 1/2.8" Pixel size: 1 μm	12 MP (Ultra-wide, OIS) Aperture size: F2.2 Focal Length: 12 mm Pixel size: 1.12 μm
Flash
Dual LED	LED
Video recording
4K UHD, 1080p	Yes HDR, Continuous autofocus, 10-bit HDR
Front
	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 MIMO, 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	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Thermometer, Humidity, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
	NFC

Multimedia

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

Cellular

5G Bands
	n2, n5, n25, n41, n66, n71, n260, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
4G (TDD) Bands
	38, 39, 40, 41, 46, 48
3G Bands
	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 512GB internal storage

Memory	512GB
Prices (MSRP)	$1899

With Dual SIM and eSIM

SIM type	Dual Nano SIM + eSIM

Links

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