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Xiaomi Mi Mix Fold vs Samsung Galaxy S21 Ultra 5G

Xiaomi Mi Mix Fold XiaomiMi Mix Fold
VS
Samsung Galaxy S21 Ultra 5G SamsungGalaxy S21 Ultra 5G

The third device is shown on desktop screens only

General

Device Type
Foldable Phone
Smart Phone
Device Name
Xiaomi Mi Mix Fold
SM-G998BSM-G998B/DSSM-G998USM-G998U1SM-G998WSM-G998NSM-G9980
Announced
March 2021
January 2021
Released
April 2021
January 2021
Colors
BlackCeramic
Phantom BlackPhantom SilverPhantom TitaniumPhantom NavyPhantom Brown

Design

Length
Unfolded: 173.3 mmFolded: 173.3 mm
165.1 mm (6.5 in)
Width
Unfolded: 133.4 mmFolded: 69.8 mm
75.6 mm (2.98 in)
Thickness
Unfolded: 7.6 mmFolded: 17.2 mm
8.9 mm (0.35 in)
Weight
317 g (Glass)332 g (Ceramic)
227 g (Sub6)229 g (mmWave)
Materials
—
Glass front (Gorilla Glass Victus)Glass back (Gorilla Glass Victus)Aluminum frame

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
5G Network
Yes
Yes
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Nano SIM
Nano SIM/eSIM
Multi SIM
Dual SIM
Single SIM or Dual SIM
Speed
3G Up to 42 MB4G Up to 2 GB5G Up to 7.5 GB
Same on both

Display

Display Type
Foldable AMOLED
Dynamic AMOLED 2X
Size
8.01 Inches
6.8 Inches
Refresh Rate
—
120 Hz
Resolution
1860x2480 Pixels (2K+)
1440x3200 Pixels (2K+)
Screen Ratio
85.9%
89.8%
Aspect Ratio
4:3
20:9
Pixel Density
387 PPI
515 PPI
Brightness Level
900 Nits (Peak)600 Nits
1500 Nits
Display Protection
—
Corning Gorilla Glass Victus
Features
Dolby VisionEye Care DisplayDark Mode1B ColorsCover Display: • AMOLED • 6.52 Inches • 90 Hz • 840x2520 Pixels (27:9) • HDR10+/Dolby Vision
Always-on DisplayFrameless16M Colors
On both: HDR10+, Hole-punch Notch, Capacitive, Multi-touch

Hardware

Chipset
Qualcomm Snapdragon 888 5G
Samsung Exynos 2100 (Global)Snapdragon 888 (USA/China)
Manufacturing Technology
5 nm
5 nm
CPU Type
8 (Octa-core)
Octa-core
CPU
1x2.84 GHz (Kryo 680)3x2.42 GHz (Kryo 680)4x1.80 GHz (Kryo 680)
Exynos 2100 (1x2.9 GHz & 3x2.80 & 4x2.2 GHz)Snapdragon 888 (1x2.84 & 3x2.42 GHz & 4x1.80 GHz)
GPU
Adreno 660
Mali-G78 MP14 (Exynos 2100)Adreno 660 (Snapdragon 888)
RAM (Memory)
12 GB (512 GB)
12 GB (128 GB)
On both: 12/16 GB, 12 GB (256 GB), 16 GB (512 GB)
Internal Storage
256/512 GB
128/256/512 GB
Storage Type
UFS 3.1
UFS 3.1
Ram Type
LPDDR5
LPDDR5
Card Slot
No
No

Software

OS
Android 10
Android 11
User Interface
MIUI 12
One UI 3.1

Main camera

Camera Setup
Triple Camera
Quad Camera
Resolution
108 MP + 8 MP + 13 MP
108 + 10 + 10 + 12 MP
Camera
108 MP: Standard8 MP: Telephoto (PDAF)13 MP: Ultrawide
108 MP: Standard (OIS)10 MP: Periscope Telephoto (OIS)10 MP: Telephoto (AF)12 MP: Ultrawide (AF)
Aperture Size
F/1.8 (108 MP)F/2.4 (13 MP)
F/1.8 (108 MP)F/4.9 (10 MP)F/2.4 (10 MP)F/2.2 (12 MP)
Sensor
Samsung HM2 (108 MP)Unknown (8 MP)Unknown (13 MP)
—
Stabilization
Electronic Stabilization (EIS)
Optical Stabilization (OIS)Electronic Stabilization (EIS)
Zoom
Optical Zoom 3xDigital Zoom 30x
Optical Zoom 10xDigital Zoom 100x
Slow Motion
FHD 1080P@960fpsFHD 1080P@120/240fps
FHD 1080P@240fpsHD 720P@960fps
Video
8K 4320P@24/30fps
8K 4320P@24fpsHDR10+ Recording
On both: 4K 2160P@30/60fps, FHD 1080P@30/60fps
Flash
Yes
Yes
More details (1)Camera Features
Camera Features
No extras
Laser AF
On both: Autofocus (AF), Night Mode, Portrait Mode, Pro Mode, AI Scene Detection, Continuous shooting, Panorama, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Scene mode, Self-timer, Touch focus, White balance settings

Selfie Camera

Camera
20 MP
40 MP
Aperture Size
—
F/2.2
Video
FHD 1080P@30/60fpsElectronic Stabilization (EIS)
4K 2160P@30/60fpsFHD 1080P@30fps
Slow Motion
HD 720P@120fps
—
Flash
No
No
More details (1)Camera Features
Camera Features
Night Mode
Autofocus (AF)
On both: Portrait Mode, Face Detection, Beauty Mode, Gesture Shot, HDR

Connectivity

Wi-Fi
Wi-Fi 802.11a/b/g/n/ac/6eDual-bandWi-Fi DirectHotspot
Same on both
Bluetooth
5.2A2DPLE
Same on both
Location
QZSSNavIC
No extras
On both: GPS, A-GPS, GLONASS, BDS, GALILEO
NFC
Yes
Yes
IR blaster
Yes
—
USB
USB Type-C 2.0
USB Type-C 3.2

Media

Loudspeaker
Yes - Stereo speakers (4 Speakers)
Yes - Stereo speakers
3.5mm jack
No
No
FM Radio
No• Sound by Harman Kardon • 24-bit/192kHz
Yes (Snapdragon model only)• 32-bit/384kHz audio • Sound by AKG

Other specifications

Sensors
Color spectrum
No extras
On both: Accelerometer, Gyroscope, Proximity, Compass, Barometer
Lock Type
Fingerprint (Side-mounted)
Fingerprint (Under Display - Ultrasonic)
On both: Facial Recognition, Pattern, PIN, Password
Water/Dust Resistant
—
Yes - IP68 dust/water resistant (up to 1.5m for 30 mins)
Box Contents
Power Adapter (67 W)Protective Case
No extras
On both: Device, USB Cable, SIM Eject Tool, Quick start guide
Other Features
—
Stylus supportSamsung PaySamsung DeXBixby

Charging and Battery

Fast Charging
Yes - 67 W (100% in 37 min)
Yes - 25 W
Wireless Charging
—
Yes - 15 W (Qi/PMA)Reverse wireless charging 4.5W
Capacity
5020 mAh
5000 mAh

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