Samsung Galaxy Z Fold 2 vs Xiaomi Mi Mix 4 Specs Comparison

Availability

Officially announced
Aug 05, 2020	Aug 10, 2021
Prices (MSRP)
$2000

Design

Dimensions
6.27 x 5.05 x 0.27 inches 159.2 x 128.2 x 6.9 mm	6.40 x 2.97 x 0.31 inches 162.6 x 75.4 x 8 mm
Folded
(159.2 x 68 x 16.8 mm)
Weight
9.95 oz / 282.0 g	7.94 oz / 225.0 g
Materials
Back: Glass Frame: Aluminum	Back: Ceramic Frame: Aluminum
Resistance
	Splash, Dust; IP53
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Mystic black, Mystic bronze	Ceramic Black, Ceramic White, Shadow Gray

Display

Size
7.6-inch, 89.00% screen-to-body	6.7-inch, 87.59% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR	AMOLED, 120Hz, HDR
Resolution
2208x1768px, 372 PPI	2400x1080px, 20:9 ratio, 395 PPI
Protection
	Corning Gorilla Glass Victus
Features
Folding inside the device, HDR support, Ambient light sensor, Proximity sensor
Front cover display
6.2 inches 2260 x816 px AMOLED Scratch-resistant glass (Corning Gorilla Glass)

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 865+ SM8250-AB (7 nm)	Snapdragon 888+ SM8350-AC (5 nm)
Processor
Octa-core 1x3.1GHz Kryo 585 3x2.42GHz Kryo 585 4x1.80GHz Kryo 585	Octa-core Kryo 680 Prime
GPU
Adreno 650	Adreno 660
Memory
12GB (LPDDR5)/256GB (UFS 3.1)	8GB (LPDDR5)/128GB (UFS 3.1) 8GB/256GB 12GB/256GB 12GB/512GB
Storage expansion
not expandable	not expandable
OS
Android (11, 10)	Android (11)

Battery

Type
4500 mAh	4500 mAh, Li - Ion
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging Qi and Powermat 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 23min

Browsing

6h 43min

Video

7h 10min

Gaming

9h 9min

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 (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 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 (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	8 MP (Periscope, OIS, PDAF) Optical zoom: 5.0x
Flash
LED	Dual LED
Video recording
4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) HDR, Continuous autofocus, EIS	8K UHD (24 fps), 4K UHD (60 fps), 1080p (480 fps), 720p (480 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking
Front
10 MP (EIS, HDR) Folded: 10 MP Video capture: 4K UHD (60 fps)	20 MP (Under-screen) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.2
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band MIMO, 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 3.1	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
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-HD, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
SA, NSA, Sub-6, mmWave	n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6
4G (FDD) Bands
2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 66	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	1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM, eSIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Oct 27, 2020 FCC ID value: A3LSMF916U
Measured SAR
Head: 0.29 W/kg Body: 1.14 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.06 W/kg

Alternative variants

Thom Browne Edition

Colors	Grey
Prices (MSRP)	$3300

With 256GB internal storage

Memory	256GB

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB

With 12GB RAM and 512GB internal storage

Memory	12GB/512GB

Discover more

Full Specs Samsung Galaxy Z Fold 2 Specs PA Review Samsung Galaxy Z Fold 2 Review

Full Specs Xiaomi Mi Mix 4 Specs