Xiaomi Mi MIX 4 vs. Samsung Galaxy S21 Ultra (SD888)

Xiaomi Mi MIX 4
  • 6.67" (2340x1080) AMOLED
  • 8GB/12GB
    Snapdragon 888 SoC     128GB/256GB/512GB Storage
  • 108-MP 3 Rear Cameras
  • 4500 mAh W-Charge Qualcomm Quick Charge 4.0, Power Delivery 3.0
Samsung Galaxy S21 Ultra (SD888)
  • 6.8" (3200x1440) AMOLED
  • 12GB/16GB
    Snapdragon 888 SoC     128GB/256GB/512GB Storage
  • 108-MP, f/1.8 4 Rear Cameras
    CAMERA HW score: 201
  • 5000 mAh W-Charge
Galaxy S21 Ultra (SD888)
News (2)
Galaxy S21 Ultra (SD888) Price
$1199. Search

Specifications Highlights
Product NameMi MIX 4Galaxy S21 Ultra (SD888)
ProductMi MIX 4 (Launched 2021-08-10)Galaxy S21 Ultra (SD888) (Launched 2021-01-14), Price: 1199 USD at Amazon
Display6.67" 2340x1080 AMOLED 6.8" 3200x1440 AMOLED
Rear Camera(s)
  • 108-MP (Primary)
  • 13-MP f/2.2
  • 8-MP f/4.1
  • 24mm 108-MP f/1.8 (Primary)
  • 13mm 12-MP f/2.2
  • 72mm 10-MP f/2.4
  • 240mm 10-MP f/4.9
Selfie Camera(s)
  • 20-MP
  • 40-MP f/2.2
Computing
  • Snapdragon 888 SoC
  • 8GB/12GB RAM
  • 128GB/256GB/512GB Storage
  • Snapdragon 888 SoC
  • 12GB/16GB RAM
  • 128GB/256GB/512GB Storage
Battery4500 mAh, Wireless Charging, Qualcomm Quick Charge 4.0, Power Delivery 3.05000 mAh, Wireless Charging,
DesignIP68, 225g (7.9oz), 75.35x162.65x8.02 mm (2.97 x 6.40 x 0.32 inches)IP68, 229g (8.1oz), 75.6x165.1x8.9 mm (2.98 x 6.50 x 0.35 inches)
Price (Market)$1199
Price at Launch$1199.99
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Display
Product NameMi MIX 4Galaxy S21 Ultra (SD888)
TypeAMOLEDAMOLED
display_refresh_Ühz_Ünum120
Diagonal (inches)6.67"6.8"
Display/Body Ratio89.1%89.4%
Resolution2340x10803200x1440
Sharpness (PPI)386 PPI516 PPI
Brightness (specs)1600 NITs
Display Glass TypeGorilla GlassGorilla Glass
Features
  • Multitouch
  • Glossy
  • HDR
  • Multitouch
  • Glossy
  • Always-On
  • HDR
Color Depth30 bit (1,073,741,824 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NameMi MIX 4Galaxy S21 Ultra (SD888)
Megapixel13-MP108-MP
Aperturef/2.2f/1.8
Focal Length (35mm) 24mm
Sensor SizeSmallEnormous
Autofocus Features
  • Phase Detection
  • Laser-Assisted
Hardware Features
  • Autofocus
  • Nona Bayer
Video Resolutions
  • 4320p/24fps
Short-Zoom Camera
Product NameGalaxy S21 Ultra (SD888)
Megapixel10-MP
Aperturef/2.4
Focal Length (35mm) 72mm
Sensor SizeSmall
Autofocus Features
  • Dual-Pixel Phase Detection
Long-Zoom Camera
Product NameGalaxy S21 Ultra (SD888)
Megapixel10-MP
Aperturef/4.9
Focal Length (35mm) 240mm
Sensor SizeSmall
Autofocus Features
  • Dual-Pixel Phase Detection
Ultrawide Camera
Product NameGalaxy S21 Ultra (SD888)
Megapixel12-MP
Aperturef/2.2
Focal Length (35mm) 13mm
Sensor SizeSmall
Battery
Product NameMi MIX 4Galaxy S21 Ultra (SD888)
Battery TypeLi-PolyLi-Poly
Battery Capacity (mAh)4500 mAh5000 mAh
Battery Features
  • Wireless Charging Integrated
  • Fast Charge
  • Non-Removable
  • Wireless Charging Integrated
  • Fast Charge
  • Non-Removable
  • Qi
  • PMA
  • Wireless Reverse Charging
  • USB PD
Fast-Charge ProtocolQualcomm Quick Charge 4.0, Power Delivery 3.0
Computing
Product NameMi MIX 4Galaxy S21 Ultra (SD888)
Processor BrandQualcommQualcomm
Processor NameSnapdragon 888Snapdragon 888
Processor # Cores88
Main Processor Frequency (GHz)2.99 GHz2.84 GHz
RAM Options8GB/12GB12GB/16GB
Internal Storage Options128GB/256GB/512GB128GB/256GB/512GB
Operating System + VersionAndroid 11Android 11
Communications
Product NameMi MIX 4Galaxy S21 Ultra (SD888)
LTE Category (Download)LTE CAT20 2.0 Gbps/316 MbpsLTE CAT20 2.0 Gbps/316 Mbps
LTE Bands1, 12, 17, 18, 19, 2, 20, 26, 28, 3, 34, 38, 39, 4, 40, 41, 5, 7, 81, 12, 13, 17, 2, 20, 28, 3, 34, 38, 39, 4, 40, 41, 5, 7, 8
Modem Features
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • 5G NSA
  • 5G SA
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • 5G NSA
  • 5G SA
WiFi Speed
  • a
  • b
  • g
  • n
  • ac
  • a
  • b
  • g
  • n
  • ac
WiFi Features
  • Dual-band
  • Hotspot
  • WiFi Direct
  • MU-MIMO
  • Dual-band
  • Hotspot
  • WiFi Direct
Bluetooth VersionBluetooth 5.2Bluetooth 5.2
Bluetooth Features
  • A2DP
  • AVRCP
  • DIP
  • HFP
  • HID
  • HSP
  • BT LE
  • MAP
  • OPP
  • PAN
  • PBAP/PAB
  • A2DP
  • AVRCP
  • DIP
  • HFP
  • HID
  • HSP
  • BT LE
  • MAP
  • OPP
  • PAN
  • PBAP/PAB
NFC Features
  • NFC Supported
  • NFC Supported
Connector TypeUSB Type CUSB Type C
Connector Features
  • USB 2.0
  • USB OTG
  • USB OTG
SAR US Head0.77 W/Kg
SAR US Body1.02 W/Kg
SAR EU Head0.714 W/Kg
SAR EU Body1.58 W/Kg
Sim Card 0
Product NameMi MIX 4Galaxy S21 Ultra (SD888)
NameSIM0SIM0
SIM TypeNano SIMNano SIM
Sim Card 1
Product NameMi MIX 4Galaxy S21 Ultra (SD888)
NameSIM1
SIM TypeNano SIM
Multimedia
Product NameMi MIX 4Galaxy S21 Ultra (SD888)
Multimedia Features
  • IR
Audio Features
  • Loudspeaker
  • Hi-Fi
  • FM Radio
  • Loudspeaker
  • FM Radio
Audio Formats
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • MP3
  • WAV
  • AAC
  • 3GA
  • AMR
  • RA
  • FLAC
  • M4A
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
  • AWB
  • XMF
  • MXMF
  • IMY
  • RTTTL
  • OTA
  • DSF
Video Formats
  • MPEG-4
  • MP4
  • MPEG-4
  • MP4
Sensors
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • Fingerprint
  • A-GPS
  • BeiDou
  • GPS
  • GLONASS
  • Galileo
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo

Xiaomi Mi MIX 4 vs. Samsung Galaxy S21 Ultra (SD888) Specs & Speed Benchmarks

Geekbench 5 Single

Higher is better

Geekbench 5 Multi

Higher is better

GFXBench Manhattan (Offscr.)

Higher is better

GFXBench Manhattan 3.1 (Offscr.)

Higher is better

GFXBench T-Rex (Offscr.)

Higher is better

Battery Capacity (mAh)

Higher is better

Battery Charge Speed (mAh/mn)

Higher is better