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Xiaomi Redmi 9AT vs Samsung Galaxy S21+

Side by side comparison between Xiaomi Redmi 9AT vs Samsung Galaxy S21+ Plus phones, differences, pros, cons with full specifications. What's the better?

,
Xiaomi Redmi 9AT
6.53"
IPS

720x1600

13
MP

5mp

2GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
Samsung Galaxy S21+
6.7"
AMOLED

1080x2400

12.2
MP

10mp

8GB
RAM

64bit Octa

4800
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!

Redmi 9AT4 Advantages Xiaomi Redmi 9ATvsGalaxy S21+38 Advantages Samsung Galaxy S21+
+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+194 grams (6.79 ounces)3%
Lighter
vs200 grams (7 ounces)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+5000 mAh4%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4800 mAh
2Ghz 64bit Octa-Corevs+2.9Ghz 64bit Octa-Core66%
More powerful processor, you can open your applications faster
2GB LPDDR4Xvs+8GB LPDDR53 times
More RAM memory. Typically more responsive and better for multitasking.
32GB (20GB available)vs+128GB (104GB available)4 times
More internal storage for applications and files
eMMC 5.1vs+UFS 3.0Advantage
Fastest write and read storage.
9 millimeters (0.35 inches)vs+7.8 millimeters (0.31 inches)15%
Thinner
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
TFT IPS LCDvs+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
Not supportedvs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
720x1600 pixelsvs+1080x2400 pixels125%
Higher resolution screen
269 PPIvs+393 PPI46%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.53"vs+6.7"3%
Larger screen
(back) 13MPvs+(triple camera) 12.2MP + 64MP + 12MP6 times
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
EIS: Digital stabilizationvs+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/2.2 (aperture)vs+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MPvs+(front) 10MP104%
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+8K UHD (7680x4320)15 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 10vs+Android 11Advantage
Android 11 is newer and safer
4G+ LTE-Avs+5G NRAdvantage
The 5G NR network is newer and faster
(4G+ LTE-A) 300 Mbpsvs+(5G NR) 5000 Mbps16 times
Faster for surfing the internet and download files
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+ANT+Advantage
Sensors help you use the device
10Wvs+25W150%
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.
Not supportedvs+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
2 slots (Dual-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
More SIM card slots. You can choose more carriers.
802.11 b/g/n (2.4Ghz)vs+802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) Wifi6 + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) Wifi6 + MIMO is newer and faster
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0, USB OTG On-The-Govs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

19 Common items in both devices
16 million
LED flash
PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras
HDR photo on both cameras / HDR photo/video on both cameras
Capacitive
Multitouch
Accelerometer
+12 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 featuresXiaomi Redmi 9ATSamsung Galaxy S21+
ModelRedmi 9ATGalaxy S21+
Other model namesXiaomi Redmi 9AT M2006C3LVG (32GB + 2GB RAM)Galaxy S21 Plus 5G SM-G996B/DS
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandXiaomiSamsung
Release dateSeptember, 2020January, 2021
Depth9 millimeters (0.35 inches)7.8 millimeters (0.31 inches)
Size (width x height)77.07 x 164.9 millimeters (3.03 x 6.49 in)75.6 x 161.5 millimeters (2.98 x 6.36 in)
Weight194 grams (6.79 ounces)200 grams (7 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedIP68 certified: dust proof and waterproof over 1.5 meter and 30min
System (OS)Xiaomi Redmi 9ATSamsung Galaxy S21+
Operating systemAndroid 10Android 11
Firmware updatefeature not registeredfeature not registered
HardwareXiaomi Redmi 9ATSamsung Galaxy S21+
Chipset64bit - MediaTek Helio G25 (12nm)64bit - Samsung Exynos 2100 (5nm)
CPU processorOcta-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
Octa-Core, 3 processors:
2.9Ghz Single-Core ARM Cortex-X1
2.8Ghz 3-Cores ARM Cortex-A78
2.2Ghz Quad-Core ARM Cortex-A55
GPU graphical controllerPowerVR GE8320 650MhzARM Mali-G78 MP14
RAM memory2GB LPDDR4X8GB LPDDR5
Internal storage32GB (20GB available)
eMMC 5.1
128GB (104GB available)
UFS 3.0
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Not supported
DisplayXiaomi Redmi 9ATSamsung Galaxy S21+
Display typeTFT IPS LCDDynamic AMOLED
Screen size6.53" inches6.7" inches
Screen-to-body ratio~81% (screen-to-body ratio)~88.8% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)269 PPI393 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass Victus
Display features60Hz, 400 nits120Hz, 1300 nits, HDR10+
Mobile networksXiaomi Redmi 9ATSamsung Galaxy S21+
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
Maximum download/upload300/50 Mbps5000/1920 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 (1, 2 ,3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat24 ()
TD-LTE ()
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 ()
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, 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 NR
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
CallingXiaomi Redmi 9ATSamsung Galaxy S21+
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
CameraXiaomi Redmi 9ATSamsung Galaxy S21+
Back camera (main camera)13 megapixels(triple camera)
12.2 megapixels
64MP telephotof/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom3x-hybrid-zoom
12MP ultrawidef/2.213mm120º1/2.55"1.4µmSuper-Steady-video
Main camera resolution4128x3096 pixels4032x3024 pixels
Video recording (primary)Full HD (1920x1080) 30 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal length28mm lens26mm lens
Sensor sizefeature not registered1/1.76" inches
Pixel size1µm pixel1.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
2ª cameraXiaomi Redmi 9ATSamsung Galaxy S21+
Front camera (secondary)5 megapixels10 megapixels
Front camera resolution2560x1920 pixels3872x2592 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/3.24" inches
Pixel size1.12µm pixel1.22µm pixel
MultimediaXiaomi Redmi 9ATSamsung Galaxy S21+
RadioFMFM
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
ConnectivityXiaomi Redmi 9ATSamsung Galaxy S21+
USBMicroUSB 2.0, USB OTG On-The-GoUSB 3.2 Type-C, USB OTG On-The-Go
TV outputMicro-B USB SlimPortUSB Type-C (reversible)
Audio output3.5mm jackType-C reversible connector
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) Wifi6 + MIMO
DLNANot supportedSupported
NFCNot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsXiaomi Redmi 9ATSamsung Galaxy S21+
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Ambient Light sensor
Face unlock
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Gesture
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Other features- Colors: Carbon Gray, Sky Blue, Ocean Green
- MIUI 12
- WiFi direct, hotspot
- Colors: Phantom Black, Silver, Gold, Red, Violet, Pink
- One UI 3.1
- Always-on display
- Tuned by AKG
- 32-bit/384kHz audio
- Samsung Pay (Visa, MasterCard)
- Samsung DeX
- WiFi direct, hotspot
Power supplyXiaomi Redmi 9ATSamsung Galaxy S21+
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5000 mAh4800 mAh
Charger, watts10W (5V/2A) Standard charging25W Fast battery charging
15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateXiaomi Redmi 9ATSamsung Galaxy S21+
SAR 1.6W/kg (USA, Mexico, etc.)0.87W/kg (head) | 1.01W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.78W/kg (head) | 1.03W/kg (body)0.541W/kg (head) | 1.335W/kg (body)
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