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

Availability

Officially announced
Aug 05, 2020
Prices (MSRP)
$2000	12GB/256GB - €1140

Design

Dimensions
6.27 x 5.05 x 0.27 inches 159.2 x 128.2 x 6.9 mm	6.28 x 5.64 x 0.18 inches 159.4 x 143.3 x 4.6 mm
Folded
(159.2 x 68 x 16.8 mm)	(159.4 x 73.1 x 9.5 mm)
Weight
9.95 oz / 282.0 g	7.97 oz / 226.0 g
Materials
Back: Glass Frame: Aluminum	Back: Glass Frame: Aluminum
Resistance
	Yes; IPX8
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Mystic black, Mystic bronze	Black, White, Blue

Display

Size
7.6-inch, 89.00% screen-to-body	8.0-inch, 86.01% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR	AMOLED, 120Hz, HDR, 3000 nits
Resolution
2208x1768px, 372 PPI	2488x2224px, 418 PPI
Features
Folding inside the device, HDR support, Ambient light sensor, Proximity sensor	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)	6.6 inches 2520 x1080 px AMOLED 120Hz refresh rate, HDR support

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 8 Gen 3 SM8650-AB (4 nm)
Processor
Octa-core 1x3.1GHz Kryo 585 3x2.42GHz Kryo 585 4x1.80GHz Kryo 585	Octa-core 1x3.3GHz Cortex-X4 3x3.2GH​z Cortex-A720 2x3.0​GHz Cortex-A720 2x2.3​GHz Cortex-A520
GPU
Adreno 650	Adreno 750
Memory
12GB (LPDDR5)/256GB (UFS 3.1)	12GB/256GB (UFS 4.0) 16GB/512GB 16GB/1024GB
Storage expansion
not expandable	not expandable
OS
Android (11, 10)	Android (14)

Battery

Type
4500 mAh	5100 mAh
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging	Fast charging Qi wireless charging
Charge speed
Wired: 25.0W Wireless: 11.0W	Wired: 67.0W 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	Quad 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	50 MP (OIS, Laser and PDAF) Aperture size: F1.7 Focal length: 23 mm Sensor size: 1/1.49" Pixel size: 1.0 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 15 mm
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	10 MP (Telephoto, Periscope, OIS) Optical zoom: 5.0x Aperture size: F2.9 Focal Length: 115 mm
Fourth camera
	50 MP (Telephoto, PDAF) Optical zoom: 2.0x Aperture size: F2.0 Focal Length: 47 mm
Flash
LED	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 (960 fps)
Front
10 MP (EIS, HDR) Folded: 10 MP Video capture: 4K UHD (60 fps)	16 MP Folded: 16 MP

Connectivity & Features

Bluetooth
5.0	5.4
WLAN
Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.1	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, 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, Infrared

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, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, n79, SA, NSA
LTE Bands
2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 66	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66
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
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	Dual Nano SIM

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

Discover more

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