Skip to content

Samsung Galaxy S21 vs Xiaomi Mi 11i (128GB)

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

,
Compare Xiaomi Mi 11i X Samsung Galaxy S21 13Points
6.2"
AMOLED

1080x2400

12.2
MP

10mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
10Points Xiaomi Mi 11i (128GB) Compare Samsung Galaxy S21 X
6.67"
AMOLED

1080x2400

108
MP

20mp

8GB
RAM

Octa-core

4520
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21

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} 13 Advantages Samsung Galaxy S21 vs Mi 11i (128GB)} 10 Advantages Xiaomi Mi 11i (128GB)
+169 grams (5.92 ounces)16%
Lighter
vs196 grams (6.86 ounces)
+Aluminum body, glass front, plastic backAdvantage
More resistant material
vsPlastic body, glass front
+424 PPI7%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs395 PPI
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 11
+(5G Sub6) 5000 Mbps43%
Faster for surfing the internet and download files
vs(5G SA/NSA) 3500 Mbps
+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
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
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2.9GHz 64bit Octa-core (5nm)vs+2.84GHz 64bit Octa-core (5nm)5%
More powerful processor, you can open your applications faster
7.9 millimeters (0.31 inches)vs+7.8 millimeters (0.31 inches)1%
Thinner
16 millionvs+1 billion62 times
More colors on the screen is better quality images and videos
6.2"vs+6.67"8%
Larger screen
(triple camera) 12.2MP + 64MP + 12MPvs+(triple camera) 108MP + 8MP + 5MP37%
Higher resolution main camera
1/1.76" inchesvs+1/1.52" inches16%
The larger sensor camera lets you take photos with better depth.
(front) 10MPvs+(front) 20MP98%
Higher resolution secondary camera to take pictures and selfies
4000 mAhvs+4520 mAh13%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
25Wvs+33W32%
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.
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster

31 Common items in both devices
8GB LPDDR5
128GB (104GB available) / 128GB (106GB available)
UFS 3.1
Dynamic AMOLED / Super AMOLED
HDR10+
120Hz
1080x2400 pixels
+24 specs and more in the table below

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

Highlight differences Clear highlight

📱 Model features

Galaxy S21Xiaomi Mi 11i (128GB)
Change model 
ModelGalaxy S21Xiaomi Mi 11i (128GB)
Other model namesGalaxy S21 5G SM-G991B/DSXiaomi Mi 11i (128GB + 8GB RAM)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release date1/29/2021, Announced: 1/14/20214/1/2021, Announced: 3/29/2021
Depth7.9 millimeters (0.31 inches)7.8 millimeters (0.31 inches)
Size (width x height)71.2 x 151.7 millimeters (2.8 x 5.97 in)76.4 x 163.7 millimeters (3.01 x 6.44 in)
Weight169 grams (5.92 ounces)196 grams (6.86 ounces)
Build, materialsAluminum body, glass front, plastic backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S21Xiaomi Mi 11i (128GB)
Display typeDynamic AMOLEDSuper AMOLED
Screen size6.2" inches6.67" inches
Screen-to-body ratio~85.9% (screen-to-body ratio)~85.9% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)424 PPI395 PPI
Colors16 million1 billion
Scratch-resistant glassGorilla Glass VictusGorilla Glass 5
Refresh rate120Hz120Hz
Display features1300nits[peak]
HDR10+
Always-On Display
900nits[typ], 1300nits[peak]
HDR10+

🤖 Operating System

Galaxy S21Xiaomi Mi 11i (128GB)
System versionAndroid 11Android 11
Firmware updateAndroid 14feature not registered
User InterfaceOne UI 3.1 / 4.1 / 5.1 / 6.0feature not registered

⚙️ Processor

Galaxy S21Xiaomi Mi 11i (128GB)
Chipset64bit: Samsung Exynos 2100 (5nm)64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)
CPUOcta-core, 3 processors:
1x 2.9GHz ARM Cortex-X1 (Single-core)
3x 2.8GHz ARM Cortex-A78 (Triple-core)
4x 2.2GHz ARM Cortex-A55 (Quad-core)
Octa-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
GPU graphical controllerARM Mali-G78 MP14 (854MHz)Qualcomm Adreno 660 (840MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy S21Xiaomi Mi 11i (128GB)
RAM memory8GB LPDDR58GB LPDDR5
Internal storage128GB (104GB available)
UFS 3.1
128GB (106GB available)
UFS 3.1
External storageNot supportedNot supported

📶 Mobile networks

Galaxy S21Xiaomi Mi 11i (128GB)
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, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat24 ()
TD-LTE ()
VoLTE
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkSA/NSA/Sub6 ()SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78)
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, SA/NSA, Sub6GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkLTE Cat24 ()
TD-LTE ()
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE

📷 Camera

Galaxy S21Xiaomi Mi 11i (128GB)
Back camera (main camera)(triple camera)
12.2 megapixels
64MP telephoto f/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom3x-hybrid-zoom
12MP ultrawide f/2.213mm120°1/2.55"1.4µmSuper-Steady-video
(triple camera)
108 megapixels
8MP ultrawide f/2.2119°
5MP macro f/2.450mm1/5.0"1.12µm
Main camera resolution4032x3024 pixels12000x9000 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.76" inches1/1.52" inches
Pixel size1.8µm pixel0.7µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo/video on both cameras
Camera extras4K@60fps
1080p@240fps
720p@960fps
feature not registered

📸 Front camera

Galaxy S21Xiaomi Mi 11i (128GB)
Front camera (secondary)10 megapixels20 megapixels
Front camera resolution3872x2592 pixels5184x3840 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.5 (aperture)
Focal length26mm lens27mm lens
Sensor size1/3.24" inches1/3.4" inches
Pixel size1.22µm pixel0.8µm pixel

🔉 Sound and multimedia

Galaxy S21Xiaomi Mi 11i (128GB)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation2 microphones or more2 microphones or more
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

🔌 Connectivity

Galaxy S21Xiaomi Mi 11i (128GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connectorType-C jack with 3.5mm jack adapter
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy S21Xiaomi Mi 11i (128GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21Xiaomi Mi 11i (128GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh4520 mAh
Charger, watts25W Wired fast charging
USB Power Delivery 3.0
33W Wired fast charging
Quick Charge 3+
USB Power Delivery 3.0
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Not supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S21Xiaomi Mi 11i (128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Phantom Gray, White, Violet, Pink
• Samsung Pay (Visa, MasterCard)
• Samsung DeX
• Colors: Cosmic Black, Celestial Silver, Frosty White
• MIUI 12
• Dolby Atmos sound
• 24-bit/192kHz audio

☢️ Radiation rate

Galaxy S21Xiaomi Mi 11i (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.456W/kg (head), 1.509W/kg (body)feature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.