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Xiaomi Mi Mix 3 vs Samsung Galaxy S20 Ultra 5G Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
8.9
Xiaomi Mi Mix 3
8.9
Samsung Galaxy S20 Ultra 5G
Xiaomi Mi Mix 3 Samsung Galaxy S20 Ultra 5G
Released · Nov 01, 2018
Released · Mar 06, 2020
6.4-inch · 2340x1080px
6.9-inch · 3200x1440px
Dual camera
Quad camera
8GB · 256GB
12GB · 128GB
3200 mAh
5000 mAh
Check prices

Design

Dimensions
6.22 x 2.94 x 0.33 inches
157.89 x 74.69 x 8.46 mm 		6.57 x 2.99 x 0.35 inches
166.9 x 76 x 8.8 mm
Weight
7.69 oz (218.0 g) 7.83 oz (222.0 g)
Materials
Back: Ceramic
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass 6)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch) 2D Face unlock, Ultrasonic in-screen fingerprint
Features
Notification light
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Green, Blue Cosmic black, Cosmic grey

Display

Size
6.4-inch 6.9-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 3200x1440px, 20:9 ratio, 509 PPI
Technology
Super AMOLED Dynamic AMOLED
Refresh rate
120Hz (@1080p)
Screen-to-body
84.96 % 90.70 %
Peak brightness
600 cd/m2 (nit)
Features
HDR support, Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm) Qualcomm Snapdragon 865 SM8250 (7 nm)
Processor
Octa-core
2800 MHz
Kryo 385 		Octa-core
2840 MHz
Kryo 585
GPU
Adreno 630 Adreno 650
RAM
8GB (LPDDR4) 12GB (LPDDR5)
Internal storage
256GB 128GB (UFS 3.0), available to use: 103.8 GB
Storage expansion
not expandable microSDXC up to 1000 GB
OS
Android (9.0 Pie) Android (13, 12, 11, 10), Samsung One UI

Battery

Capacity
3200 mAh 5000 mAh
Type
Li - Polymer Li - Polymer
Charging
Qualcomm Quick Charge 4+, Qi wireless charging Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 45.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
5h 57min
Browsing
10h 2min
Video
10h 29min
Gaming
9h 12min
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera Quad camera
Main camera
12.2 MP (OIS, PDAF)
Aperture size: F1.8
Sensor size: 1/2.55"
Pixel size: 1.4 μm 		108 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Second camera
12 MP (Telephoto)
Optical zoom: 2.0x
Sensor size: 1/3.4"
Pixel size: 1 μm 		12 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.4 μm
Third camera
48 MP (Telephoto, OIS, PDAF)
Aperture size: F3.5
Focal Length: 102 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Fourth camera
0.3 MP VGA (ToF 3D depth sensing)
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
Time-lapse video, EIS, Video calling, Video sharing 		7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
OIS, HDR, Time-lapse video, EIS
Front
24 MP (Dual-Camera, Flash, HDR) 40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
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),dual-band
MIMO, Wi-Fi Direct, Hotspot
USB
Type-C Type-C, USB 3.2
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, VoIP, Tethering, Computer sync, OTA sync NFC, ANT+

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Album art cover, Background playback 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G
Bands n2, n5, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave
4G (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), 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), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
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), 8(900)
Data Speed
LTE-A, HSPA, HSUPA LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Jan 28, 2020
FCC ID value: A3LSMG988B
Measured SAR
Head: 0.26 W/kg
Body: 0.41 W/kg
Simultaneous Transmission: 1.57 W/kg
Wireless Router: 1.04 W/kg
Phablet: 2.12 W/kg

Buyers information

MSRP
$ 1400

Availability

Officially announced
Oct 25, 2018 Feb 11, 2020

Alternative variants

with 6 GB RAM
RAM 6GB
Colors Black
Global variant
System chip Samsung Exynos 990 (7 nm)
Processor Octa-core
2700 MHz
Mongoose M5, Arm Cortex-A76 and Arm Cortex-A55
GPU Mali G77 MP11
5G Bands n1, n3, n5, n7, n8, n28, n40, n77, n78, Sub-6
4G (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), 32(1500 L-band), 66(AWS-3)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Dual SIM Yes
SIM type Nano SIM, eSIM
with 256 GB storage
Internal storage 256GB
Colors Black
with 256GB storage
Internal storage 256GB
Forbidden City Special Edition
RAM 10GB
with 512GB storage
RAM 16GB
Internal storage 512GB
MSRP $ 1600
for Sprint
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
for Verizon
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
for T-Mobile
4G (FDD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
3G Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
FCC OKs Cingular\'s purchase of AT&T Wireless