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Samsung Galaxy S21 vs Xiaomi Mi 9 Explorer

Side by side comparison between Samsung Galaxy S21 vs Xiaomi Mi 9 Explorer phones, differences, pros, cons and full specifications. What's the better?

,
6.2"
AMOLED

1080x2400

12.2
MP

10mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
08Points Xiaomi Mi 9 Explorer Compare Samsung Galaxy S21 X
6.39"
AMOLED

1080x2340

48
MP

20mp

12GB
RAM

Octa-core

3300
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} 21 Advantages Samsung Galaxy S21 vs Mi 9 Explorer} 8 Advantages Xiaomi Mi 9 Explorer
+2.9GHz 64bit Octa-core (5nm)5%
More powerful processor, you can open your applications faster
vs2.84GHz 64bit Octa-core (7nm)
+UFS 3.1Advantage
Fastest write and read storage.
vsUFS 2.1
+169 grams (5.92 ounces)2%
Lighter
vs173 grams (6.06 ounces)
+1080x2400 pixels3%
Higher resolution screen
vs1080x2340 pixels
+424 PPI5%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs403 PPI
+(triple camera) 12.2MP + 64MP + 12MP16%
Higher resolution main camera
vs(triple camera) 48MP + 16MP + 12MP
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+1/1.76" inches14%
The larger sensor camera lets you take photos with better depth.
vs1/2" inches
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 9.0 Pie
+5G Sub6Advantage
The 5G Sub6 network is newer and faster
vs4G LTE-A
+(5G Sub6) 5000 Mbps4 times
Faster for surfing the internet and download files
vs(4G LTE-A) 1024 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+4000 mAh21%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3300 mAh
+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
+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
vs802.11 a/b/g/n/ac [wifi5]
+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
8GB LPDDR5vs+12GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
128GB (104GB available)vs+256GB (237GB available)128%
More internal storage for applications and files
7.9 millimeters (0.31 inches)vs+7.61 millimeters (0.3 inches)4%
Thinner
6.2"vs+6.39"3%
Larger screen
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
f/1.8 (aperture)vs+f/1.5 (aperture)20%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 10MPvs+(front) 20MP98%
Higher resolution secondary camera to take pictures and selfies
25Wvs+27W8%
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.

28 Common items in both devices
Aluminum body, glass front, plastic back / Aluminum frame, glass front/back
Dynamic AMOLED / Super AMOLED
16 million
Digital and optical zoom
PDAF: phase detection autofocus on both cameras / LDAF/PDAF: laser/phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
Capacitive
+21 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 9 Explorer
Change model  
ModelGalaxy S21Xiaomi Mi 9 Explorer
Other model namesGalaxy S21 5G SM-G991B/DSXiaomi Mi 9 Transparent edition 12GB RAM M1902F1A, 小米9 透明尊享版
Country or region available(Global, International)
(Global, International)
China(Global, International)
China, (Global, International)
BrandSamsungXiaomi
Release date1/29/2021, Announced: 1/14/20213/1/2019
Depth7.9 millimeters (0.31 inches)7.61 millimeters (0.3 inches)
Size (width x height)71.2 x 151.7 millimeters (2.8 x 5.97 in)74.67 x 157.5 millimeters (2.94 x 6.2 in)
Weight169 grams (5.92 ounces)173 grams (6.06 ounces)
Build, materialsAluminum body, glass front, plastic backAluminum frame, glass front/back
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S21Xiaomi Mi 9 Explorer
Display typeDynamic AMOLEDSuper AMOLED
Screen size6.2" inches6.39" inches
Screen-to-body ratio~85.9% (screen-to-body ratio)~85.2% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2340 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)424 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusGorilla Glass 6
Refresh rate120Hzfeature not registered
Display features1300nits[peak]
HDR10+
Always-On Display
feature not registered

🤖 Operating System

Galaxy S21Xiaomi Mi 9 Explorer
System versionAndroid 11Android 9.0 Pie
Firmware updateAndroid 14feature not registered
User InterfaceOne UI 3.1 / 4.1 / 5.1 / 6.0feature not registered

⚙️ Processor

Galaxy S21Xiaomi Mi 9 Explorer
Chipset64bit: Samsung Exynos 2100 (5nm)64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
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 485 (Single-core)
3x 2.42GHz Kryo 485 (Triple-core)
4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controllerARM Mali-G78 MP14 (854MHz)Qualcomm Adreno 640 (585MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy S21Xiaomi Mi 9 Explorer
RAM memory8GB LPDDR512GB LPDDR4X
Internal storage128GB (104GB available)
UFS 3.1
256GB (237GB available)
UFS 2.1
External storageNot supportedNot supported

📶 Mobile networks

Galaxy S21Xiaomi Mi 9 Explorer
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 Mbps1024/150 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
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 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat24 ()
TD-LTE ()
VoLTE
LTE Cat16/13
VoLTE
Global version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (Bands 38, 39, 40)
China version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17)
TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G networkSA/NSA/Sub6 ()Not supported
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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
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 9 Explorer
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)
48 megapixels
16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF
12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom
Main camera resolution4032x3024 pixels8000x6000 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps4K UHD (3840x2160) 60 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.5 (aperture)
Focal length26mm (lens)feature not registered
Sensor size1/1.76" inches1/2" inches
Pixel size1.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocus on both camerasLDAF/PDAF: laser/phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras4K@60fps
1080p@240fps
720p@960fps
feature not registered

📸 Front camera

Galaxy S21Xiaomi Mi 9 Explorer
Front camera (secondary)10 megapixels20 megapixels
Front camera resolution3872x2592 pixels5184x3840 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length26mm (lens)feature not registered
Sensor size1/3.24" inchesfeature not registered
Pixel size1.22µm pixel0.9µm pixel

🔉 Sound and multimedia

Galaxy S21Xiaomi Mi 9 Explorer
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation2 microphones2 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 9 Explorer
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)Not supported
Bluetooth5.0 + A2DP/LE5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy S21Xiaomi Mi 9 Explorer
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21Xiaomi Mi 9 Explorer
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh3300 mAh
Charger, watts25W Wired fast charging
USB Power Delivery 3.0
27W Wired fast charging
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Qi wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S21Xiaomi Mi 9 Explorer
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: Piano Black, Lavender Violet, Ocean Blue
• MIUI 10
• HDR10/DCI-P3 display
• Sapphire glass camera cover
• Quick Charge 4+
• Fast wireless charging 20W

☢️ Radiation rate

Galaxy S21Xiaomi Mi 9 Explorer
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

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