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Xiaomi Mi Mix 3 vs Xiaomi Mi Mix 4 vs OnePlus 9 Pro

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

Comparison mode:

Display

Size:

6.4 inches
6.7 inches
6.7 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI
3216 x 1440 pixels, 20.1:9 ratio, 526 PPI

Technology:

Super AMOLED
AMOLED
AMOLED

Refresh rate:

120Hz
120Hz

Screen-to-body:

84.96 %
87.59 %
89.79 %

Peak brightness:

600 cd/m2 (nit)

Features:

HDR support, 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), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 845 SDM845
Qualcomm Snapdragon 888+ SM8350-AC
Qualcomm Snapdragon 888

Processor:

Octa-core, 2800 MHz, Kryo 385, 64-bit, 10 nm
Octa-core, 3000 MHz, Kryo 680 Prime, 64-bit, 5 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 630
Adreno 660
Adreno 660

RAM:

8GB LPDDR4
8GB LPDDR5
8GB LPDDR5

Internal storage:

256GB, not expandable
128GB (UFS 3.1), not expandable
128GB (UFS 3.1), not expandable

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (9.0 Pie)
Android (11), MIUI 12.5 UI
Android (11), OxygenOS UI

Battery

Capacity:

3200 mAh
4500 mAh
4500 mAh

Type:

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

Charging:

Qualcomm Quick Charge 4+, Qi wireless charging
Fast charging, Qi wireless charging, Reverse wireless charging
OnePlus Warp Charge, Qi wireless charging

Max charge speed:

Wired: 120.0W; Wireless: 50.0W
Wired: 65.0W; Wireless: 50.0W

Camera

Rear:

Dual camera
Triple camera
Quad camera

Main camera:

12.2 MP (OIS, PDAF)
108 MP (OIS, Laser and PDAF)
48 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.9; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 23 mm; Sensor size: 1/1.4"; Pixel size: 1.12 μm

Second camera:

12 MP (Telephoto)
8 MP (Periscope, OIS, PDAF)
8 MP (Telephoto, OIS, Autofocus)

Specifications:

Optical zoom: 2.0x; Sensor size: 1/3.4"; Pixel size: 1 μm
Optical zoom: 5.0x
Optical zoom: 3.3x; Aperture size: F2.4; Focal Length: 77 mm; Pixel size: 1.0 μm

Third camera:

13 MP (Ultra-wide)
50 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 14 mm; Sensor size: 1/1.56"

Fourth camera:

2 MP (Black and White)

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
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) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)

Features:

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

Front:

24 MP (Dual-Camera, Flash, HDR)
20 MP (Under-screen)
16 MP (EIS)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.22 x 2.94 x 0.33 inches (157.89 x 74.69 x 8.46 mm)
6.40 x 2.97 x 0.31 inches (162.6 x 75.4 x 8 mm)
6.43 x 2.90 x 0.34 inches (163.2 x 73.6 x 8.7 mm)

Weight:

7.69 oz (218.0 g)
7.94 oz (225.0 g)
6.95 oz (197.0 g)

Materials:

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

Resistance:

Splash, Dust; IP53
Water, Dust; IP68

Biometrics:

2D Face unlock, Fingerprint (touch)
In-screen fingerprint
2D Face unlock, In-screen fingerprint

Features:

Notification light

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key, Other

Colors:

Black, Green, Blue
Ceramic Black, Ceramic White, Shadow Gray
Morning Mist, Forest Green, Stellar Black

Cellular

5G:

n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6
n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, NSA

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)
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), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)

LTE (TDD):

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

UMTS:

Bands 6(800), 5(850), 8(900), 4(1700/2100), 3(1800), 2(1900), 1(2100)
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), 9(1700), 19(800)

Data Speed:

LTE-A, HSPA, HSUPA
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
LTE-A Pro Cat 20 (2000/150 Mbit/s), 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
Yes

VoLTE:

Yes
Yes

Multimedia

Headphones:

No 3.5mm jack
No 3.5mm jack
No 3.5mm jack

Speakers:

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

Features:

Album art cover, Background playback
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.2
5.2

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; 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)
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1

Features:

Mass storage device, Charging, Headphones port
Charging
Charging, Headphones port, Mass storage device

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

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

Other:

NFC, VoIP, Tethering, Computer sync, OTA sync
NFC
NFC

Regulatory Approval

FCC approval:

Date approved:

Mar 24, 2021

FCC ID value:

2ABZ2-EF14A

Measured SAR:

Head:

1.19 W/kg

Body:

0.75 W/kg

Simultaneous Transmission:

1.52 W/kg

Wireless Router:

1.19 W/kg

Buyers information

Price:

$ 969

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)
Warp Charge 65 Power Adapter, Warp Charge Type-C to Type-C Cable, Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, OnePlus Sticker, SIM Tray Ejector

Availability

Officially announced:

Oct 25, 2018
Aug 10, 2021
Mar 23, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless