Compare Xiaomi Mi Mix FOLD vs Samsung Galaxy S21 Ultra vs Samsung Galaxy Z Fold 2

USB-C

USB-C 3.2

USB-C

WiFi 6E, Bluetooth 5.2, NFC

WiFi 6, Bluetooth 5, NFC

WiFi6, Bluetooth 5.0, NFC

5020 mAh

5000 mAh

4500 mAh

20MP, 1/3.4", 0.8µm

40MP Phase Detection AF, FOV 80°, F2.2, 0.7 µm

10MP Selfie Camera: F2.2, Pixel size: 1.22μm, FOV: 80˚

12MP Ultra Wide Camera: F2.2 ,Pixel size: 1.12μm, FOV : 123˚ + 12MP Wide-angle Camera: Super Speed Dual Pixel AF, OIS, F1.8, Pixel size: 1.8μm, FOV: 83˚ + 12MP Telephoto Camera: PDAF, F2.4, OIS, Pixel size: 1.0μm, FOV: 45˚

8MP, liquid lens, PDAF, 3x optical zoom

10MP Dual Pixel AF, Optical 10x, FOV 10°,OIS, F4.9, 1.22µm + 10MP Dual Pixel AF, Optical 3x, FOV 35°,OIS, F2.4, 1.22µm

13MP, f/2.4, 123˚, 1.12µm

12MP Dual Pixel AF, FOV 120°, F2.2, 1.4µm

108MP, Samsung HM2, f/1.8, 1/1.52", 0.7µm, dual pixel PDAF

108MP Phase Detection AF, FOV 83°, OIS, F1.8, 0.8µm

Black

Phantom Black, Phantom Silver, Phantom Violet, Phantom Pink, Phantom Gold, Phantom Red

Mystic Black, Mystic Bronze + Customizable Hinge: Metallic Silver, Metallic Gold, Metallic Red, Metallic Blue

Glass front (Gorilla Glass Victus), glass back (Gorilla Glass), aluminum frame

Quad speakers 3D panoramic sound system

Stereo speakers

17.2 mm Folded / 7.6 mm Unfolded

8.9 mm

16.8 mm Folded / 6.9 mm Unfolded

173.3 mm

161.5 mm

159.2 mm

69.8 mm Folded / 133.4 mm Unfolded

75.6 mm

68.0 mm Folded / Unfolded 28.2 mm

227 g

282 g

4:3

20:9

22.5:18

600 nits (typical) / 900 nits (max)

4,300,000:1 (typical)

10-bit

8.01 inch

6.8 inch

7.6”

Flexible OLED

Dynamic AMOLED 2X (OLED)

Dynamic AMOLED 2X Display Infinity Flex Display

100% DCI-P3

387 ppi

515 ppi

373ppi

60 Hz

120 Hz

WQHD+ (2480x1860)

QHD+, 3200x1440

QXGA+ 2208 x 1768

UHQ 32-bit &DSD64/128 support; PCM: Up to 32 bits, DSD: DSD64/128

Dolby Atmos, Dolby Digital, Dolby Digital Plus

Qualcomm Snapdragon 888

67W wired turbo charging (37 mins to 100%)

USB PD 3.0 (PPS) certified Fast Charging

Fast charging wired or wireless

A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC

GPS, Galileo, Glonass, BeiDou, A-GPS

Qualcomm Adreno 660 GPU

HDR10+

HDR10+ certified

MIUI 12, Android 11

Android 11

Android 10

Qualcomm Kryo 680 CPU, up to 2.84GHz, with Arm Cortex-X1 technology

7nm 64-bit Octa-Core Processor (3.09GHz + 2.40GHz + 1.80GHz)

Dual nano SIM, 5G

Single or dual Nano SIM, 5G

Nano SIM + eSIM LTE, 5G

Ultrasonic Fingerprint, Face recognition

Knox, virus & malware prevention, secure folder

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer

Ultrasonic Fingerprint sensor, Accelerometer, Barometer, Gyro sensor, Geomagnetic sensor, Hall sensor Proximity sensor, Ambient Light Sensor

Capacitive Fingerprint sensor (side), Accelerometer, Barometer, Gyro sensor, Geomagnetic sensor, Hall sensor, Proximity sensor, Light sensor

10~120Hz

FHD 60fps, HD 120fps

8K 30fps, 4K 60fps, FHD 240fps

IP68

Fast Wireless Charging 2.0

12 or 16 GB

12 or 16 GB

12GB RAM

LPDDR5 3200MHz

LPDDR5

256 or 512 GB UFS 3.1

128, 256, or 512 GB UFS 3.X

256 - 512GB UFS3.1

Digitizer: S Pen, sold separately

2021-04-16

2020-09-25

2021-03-29

2021-01-14 (Galaxy Unpacked 2021)

2020-09-01