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Samsung Galaxy S21 Ultra vs Xiaomi Mi 11 Ultra (256GB/12GB)

Side by side comparison between Samsung Galaxy S21 Ultra vs Xiaomi Mi 11 Ultra phones, differences, pros, cons with full specifications. What's the better?

,
Compare Xiaomi Mi 11 Ultra XSamsung Galaxy S21 Ultra13Points
Samsung Galaxy S21 Ultra
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
09PointsXiaomi Mi 11 Ultra (256GB/12GB)Compare Samsung Galaxy S21 Ultra X
Xiaomi Mi 11 Ultra (256GB/12GB)
6.81"
AMOLED

1440x3200

50
MP

20mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Galaxy S21 Ultra13 Advantages Samsung Galaxy S21 UltravsMi 11 Ultra (256GB/12GB)9 Advantages Xiaomi Mi 11 Ultra (256GB/12GB)
+2.9Ghz 64bit Octa-Core7%
More powerful processor, you can open your applications faster
vs2.84Ghz 64bit Octa-Core
+227 grams (7.95 ounces)3%
Lighter
vs234 grams (8.19 ounces)
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsAMOLED
+516 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs515 PPI
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 40MP101%
Higher resolution secondary camera to take pictures and selfies
vs(front) 20MP
+5G NRAdvantage
The 5G NR network is newer and faster
vs5G SA/NSA
+(5G NR) 5000 Mbps43%
Faster for surfing the internet and download files
vs(5G SA/NSA) 3500 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+ANT+Advantage
Sensors help you use the device
vsNot supported
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
More SIM card slots. You can choose more carriers.
vs2 slots (Dual-SIM)
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
128GB (104GB available)vs+256GB (230GB available)121%
More internal storage for applications and files
8.9 millimeters (0.35 inches)vs+8.38 millimeters (0.33 inches)6%
Thinner
Aluminum frame, glass front/backvs+Aluminum body, glass front, ceramic backAdvantage
More resistant material
16 millionvs+1 billion62 times
More colors on the screen is better quality images and videos
6.8"vs+6.81"1%
Larger screen
(quad camera) 108MP + 10MP + 10MP + 12MPvs+(triple camera) 50MP + 48MP + 48MP4%
Higher resolution main camera
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
1/1.33" inchesvs+1/1.12" inches19%
The larger sensor camera lets you take photos with better depth.
25Wvs+67W168%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.

38 Common items in both devices
12GB LPDDR5
UFS 3.1
HDR10+ / Dolby Vision/HDR10+
120Hz
1440x3200 pixels
Digital and optical zoom
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus
+31 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresSamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
ModelGalaxy S21 UltraMi 11 Ultra (256GB/12GB)
Other model namesGalaxy S21 Ultra 5G SM-G998B/DSXiaomi Mi 11 Ultra (256GB + 12GB RAM)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release dateJanuary, 2021April, 2021
Depth8.9 millimeters (0.35 inches)8.38 millimeters (0.33 inches)
Size (width x height)75.6 x 165.1 millimeters (2.98 x 6.5 in)74.6 x 164.3 millimeters (2.94 x 6.47 in)
Weight227 grams (7.95 ounces)234 grams (8.19 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backAluminum body, glass front, ceramic back
Protection against water and othersIP68 certified: dust proof and waterproof over 1.5 meters and 30minIP68 certified: dust proof and waterproof over 1.5 meters and 30min
System (OS)Samsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
Operating systemAndroid 11Android 11
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
Chipset64bit - Samsung Exynos 2100 (5nm)64bit - Qualcomm Snapdragon 888 SM8350 (5nm)
CPU processorOcta-Core, 3 processors:
2.9Ghz Single-Core ARM Cortex-X1
2.8Ghz 3-Cores ARM Cortex-A78
2.2Ghz Quad-Core ARM Cortex-A55
Octa-Core, 3 processors:
2.84Ghz Single-Core Kryo 680
2.42Ghz 3-Cores Kryo 680
1.8Ghz Quad-Core Kryo 680
GPU graphical controllerARM Mali-G78 MP14Qualcomm Adreno 660 840Mhz
RAM memory12GB LPDDR512GB LPDDR5
Internal storage128GB (104GB available)
UFS 3.1
256GB (230GB available)
UFS 3.1
External storageNot supportedNot supported
DisplaySamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
Display typeDynamic AMOLEDAMOLED
Screen size6.8" inches6.81" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)~91.4% (screen-to-body ratio)
Display resolution1440x3200 pixels (20:9)1440x3200 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)516 PPI515 PPI
Colors16 million1 billion
Scratch-resistant glassGorilla Glass VictusGorilla Glass Victus
Display features120Hz, 1500 nits, HDR10+120Hz, 1700 nits, Dolby Vision/HDR10+
Mobile networksSamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload5000/1920 Mbps3500/1024 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
CDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat24 ()
TD-LTE ()
VoLTE
LTE Cat20
VoLTE
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 66)
TD-LTE (38, 40, 41, 42)
China version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
TD-LTE (34, 38, 39, 40, 41, 42)
Primary 5G networkSA/NSA/Sub6 ()Global version:
SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79)
China version:
SA/NSA (1, 3, 28, 41, 77, 78, 79)
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NRGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingSamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
CameraSamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
Back camera (main camera)(quad camera)
108 megapixels
10MP periscope telephotof/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom
10MP telephotof/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom
12MP ultrawidef/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
(triple camera)
50 megapixels
48MP periscope telephotof/4.1120mm1/2.0"0.8µmPDAFOIS5x-optical-zoom
48MP ultrawidef/2.212mm128º1/2.0"0.8µmPDAF
Main camera resolution12000x9000 pixels8160x6120 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps8K UHD (7680x4320) 24 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length26mm lens24mm lens
Sensor size1/1.33" inches1/1.12" inches
Pixel size1.8µm pixel1.4µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS: Optical stabilization
ZoomDigital and optical zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo/video on both cameras
2ª cameraSamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
Front camera (secondary)40 megapixels20 megapixels
Front camera resolution7296x5472 pixels5184x3840 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length26mm lens27mm lens
Sensor size1/2.8" inches1/3.4" inches
Pixel size0.7µm pixel0.8µm pixel
MultimediaSamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Audio outputType-C reversible connectorType-C jack with 3.5mm jack adapter
Bluetooth5.2 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
DLNASupportedSupported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
Infrared portNot supportedSupported
Other functionsSamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Gesture
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (under display)
Other features- Colors: Phantom Black, Silver, Titanium, Navy, Brown
- One UI 3.1
- Always-on display
- Tuned by AKG
- 32-bit/384kHz audio
- Samsung Pay (Visa, MasterCard)
- Samsung DeX
- Stylus pen support
- WiFi direct, hotspot
- Colors: Ceramic black, Ceramic white
- MIUI 12.5
- Screen protector included
- Protective case included
- 24-bit/192kHz audio
- Tuned by Harman Kardon
- WiFi direct, hotspot
- Secondary 1.1" AMOLED display next to the rear camera
Power supplySamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5000 mAh5000 mAh
Charger, watts25W Fast battery charging
15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0
67W Fast battery charging
67W Qi wireless charging
10W Reverse wireless charging between devices
Quick Charge 4+
USB Power Delivery 3.0
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy S21 UltraXiaomi Mi 11 Ultra (256GB/12GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.714W/kg (head) | 1.58W/kg (body)feature not registered
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