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Xiaomi Mi Mix 4 vs Xiaomi Mi 11 vs Samsung Galaxy S21 Ultra

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

6.7 inches
6.8 inches
6.8 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 395 PPI
3200 x 1440 pixels, 20:9 ratio, 515 PPI
3200 x 1440 pixels, 20:9 ratio, 516 PPI

Technology:

AMOLED
AMOLED
Dynamic AMOLED

Refresh rate:

120Hz
120Hz
120Hz (adaptable)

Screen-to-body:

87.59 %
91.24 %
89.33 %

Peak brightness:

1500 cd/m2 (nit)
1500 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 888+ SM8350-AC (5 nm)
Qualcomm Snapdragon 888 (5 nm)
Qualcomm Snapdragon 888 SM8350 (5 nm)

Processor:

Octa-core, 3000 MHz, Kryo 680 Prime, 64-bit
Octa-core, 2840 MHz, Kryo 680, 64-bit
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit

GPU:

Adreno 660
Adreno 660
Adreno 660

RAM:

8GB LPDDR5
8GB LPDDR5
12GB LPDDR5

Internal storage:

128GB (UFS 3.1), not expandable
128GB (UFS 3.1), not expandable
128GB (UFS 3.1), not expandable

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11), MIUI 12.5 UI
Android (11), MIUI 12.5 UI
Android (12, 11), Samsung One UI

Battery

Capacity:

4500 mAh
4600 mAh
5000 mAh

Type:

Li - Ion, Not user replaceable
Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Fast charging, Qi wireless charging, Reverse wireless charging
Qualcomm Quick Charge 5, Qi wireless charging, Reverse wireless charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 120.0W; Wireless: 50.0W
Wired: 55.0W; Wireless: 50.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Triple camera
Triple camera
Quad camera

Main camera:

108 MP (OIS, Laser and PDAF)
108 MP (OIS, Autofocus)
108 MP (OIS, Laser and PDAF)

Specifications:

Aperture size: F1.9; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F1.9; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm

Second camera:

8 MP (Periscope, OIS, PDAF)
13 MP (Ultra-wide)
10 MP (Telephoto, OIS, PDAF)

Specifications:

Optical zoom: 5.0x
Aperture size: F2.4
Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Third camera:

13 MP (Ultra-wide)
5 MP (Telephoto, Macro)
12 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F2.4
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Fourth camera:

10 MP (Periscope, OIS, PDAF)

Specifications:

Optical zoom: 10.0x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Video recording:

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (480 fps), 1280x720 (HD) (480 fps)
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (240 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking
OIS, HDR, Continuous autofocus
OIS, HDR, Hyperlapse, Video light, EIS

Front:

20 MP (Under-screen)
20 MP (Autofocus)
40 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

6.40 x 2.97 x 0.31 inches (162.6 x 75.4 x 8 mm)
6.47 x 2.94 x 0.32 inches (164.3 x 74.6 x 8.06 mm)
6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)

Weight:

7.94 oz (225.0 g)
6.91 oz (196.0 g)
8.04 oz (229.0 g)

Materials:

Back: Ceramic; Frame: Aluminum
Back: Glass; Frame: Metal
Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum

Resistance:

Splash, Dust; IP53
Water, Dust; IP68

Biometrics:

In-screen fingerprint
In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Ceramic Black, Ceramic White, Shadow Gray
Midnight gray, Horizon blue
Phantom black, Silver

Cellular

5G:

n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6
n1, n3, n5, n8, n20, n28, n38, n41, n77, n78, n79
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT), 32(1500 L-band), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
Bands 38(2600), 40(2300), 41(2600+), 42(3500)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

No 3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker, Multiple speakers
Earpiece, Multiple speakers

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.2
5.2
5.1

Wi-Fi:

802.11 a, b, g, n, ac, ax (Wi-Fi 6); MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6); MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.2

Features:

Charging
Charging, Headphones port
Charging, Headphones port, OTG, Video out

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, SBAS, NavIC, GNSS, Dual-band positioning, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

NFC
NFC, Infrared
NFC, ANT+

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jan 12, 2021
Dec 22, 2020

FCC ID value:

2AFZZK2G
A3LSMG998U

Measured SAR:

Head:

0.95 W/kg
0.77 W/kg

Body:

0.65 W/kg
1.02 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

0.75 W/kg
1.16 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

€ 749
$ 1200

In The Box:

Power adapter, USB Type-C data cable, Type-C to 3.5mm headphone cable, Mobile phone protective shell, Film (covered on the screen), Pins, Instructions (including three packs of certificates)
55W Power Adapter, USB Type-C Cable, Type-C to 3.5 mm Headphone Adapter, SIM Eject Tool, Soft Case, User Guide, Warranty Card
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Aug 10, 2021
Feb 08, 2021
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless