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Samsung Galaxy A90 5G (SM-A908B) vs Xiaomi Redmi 8A (32GB/2GB)

Side by side comparison between Samsung Galaxy A90 5G vs Xiaomi Redmi 8A phones, differences, pros, cons with full specifications. What's the better?

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Compare Xiaomi Redmi 8A XSamsung Galaxy A90 5G (SM-A908B)26Points
Samsung Galaxy A90 5G (SM-A908B)
6.7"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4500
mAh

(Non removable)

vs
07PointsXiaomi Redmi 8A (32GB/2GB)Compare Samsung Galaxy A90 5G X
Xiaomi Redmi 8A (32GB/2GB)
6.2"
IPS

720x1520

12
MP

8mp

2GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A90 5G (SM-A908B)

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 A90 5G (SM-A908B)26 Advantages Samsung Galaxy A90 5G (SM-A908B)vsRedmi 8A (32GB/2GB)7 Advantages Xiaomi Redmi 8A (32GB/2GB)
+2.84Ghz 64bit Octa-Core42%
More powerful processor, you can open your applications faster
vs2Ghz 64bit Octa-Core
+6GB LPDDR4X2 times
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+128GB (106GB available)4 times
More internal storage for applications and files
vs32GB (21GB available)
+UFS 3.0Advantage
Fastest write and read storage.
vseMMC 5.1
+Until 1TB microSD, microSDXC100%
More external storage for files using memory cards
vsUntil 512GB microSD, microSDXC
+8.4 millimeters (0.33 inches)12%
Thinner
vs9.4 millimeters (0.37 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1080x2400 pixels137%
Higher resolution screen
vs720x1520 pixels
+393 PPI45%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs271 PPI
+6.7"8%
Larger screen
vs6.2"
+(triple camera) 48MP + 8MP + 5MP4 times
Higher resolution main camera
vs(back) 12MP
+1/2" inches28%
The larger sensor camera lets you take photos with better depth.
vs1/2.55" inches
+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 9.0 Pie
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE
+(5G SA/NSA) 2000 Mbps12 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (under display)Advantage
Sensors help you use the device
vsNot supported
+ANT+Advantage
Sensors help you use the device
vsNot supported
+25W39%
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.
vs18W
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+USB 3.1 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
206 grams (7.21 ounces)vs+188 grams (6.58 ounces)10%
Lighter
f/2.0 (aperture)vs+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
4500 mAhvs+5000 mAh11%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
Not supportedvs+Water repellent nano-coating (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example

23 Common items in both devices
60Hz
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
+16 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 A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
ModelGalaxy A90 5G (SM-A908B)Redmi 8A (32GB/2GB)
Other model namesGalaxy A90 SM-A908BZWABTU (6GB RAM)Xiaomi Redmi 8A M1908C3KG, MZB8457IN, MZB8458IN, MZB8459IN
Country or region available(Global, International)(Europe)
(Global, International), (Europe)
(Global, International)India
(Global, International), India
BrandSamsungXiaomi
Release dateSeptember, 2019September, 2019
Depth8.4 millimeters (0.33 inches)9.4 millimeters (0.37 inches)
Size (width x height)76.4 x 164.8 millimeters (3.01 x 6.49 in)75.4 x 156.3 millimeters (2.97 x 6.15 in)
Weight206 grams (7.21 ounces)188 grams (6.58 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersNot supportedWater repellent nano-coating (don't immerse)
System (OS)Samsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
Operating systemAndroid 9.0 PieAndroid 9.0 Pie
Firmware updateAndroid 10feature not registered
HardwareSamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
Chipset64bit - Qualcomm Snapdragon 855 SDM855 (7nm)64bit - Qualcomm Snapdragon 439 SDM439 (12nm)
CPU processorOcta-Core, 3 processors:
2.84Ghz Single-Core Kryo 485
2.42Ghz 3-Cores Kryo 485
1.78Ghz Quad-Core Kryo 485
Octa-Core, 2 processors:
2Ghz Dual-Core ARM Cortex-A53
1.45Ghz Hexa-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 640Qualcomm Adreno 505 650Mhz
RAM memory6GB LPDDR4X2GB LPDDR3
Internal storage128GB (106GB available)
UFS 3.0
32GB (21GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.7" inches6.2" inches
Screen-to-body ratio~86.1% (screen-to-body ratio)~81.4% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)720x1520 pixels (19:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)393 PPI271 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 6Gorilla Glass 5
Display features60Hz60Hz, 400 nits
Mobile networksSamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload2000/150 Mbps150/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
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 (China), GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100Global, India version:
UMTS 850/900/1900/2100

China version:
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat4
VoLTE

Global version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20)
TD-LTE (Bands 38, 40)

India version:
LTE (Bands 1, 3, 5, 8)
TD-LTE (Bands 40, 41)

China version:
LTE (Bands 1, 3, 5, 7, 8)
TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G networkNSA/Sub6 (41, 78)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingSamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
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
CameraSamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
Back camera (main camera)(triple camera)
48 megapixels
8MP ultrawidef/2.212mm1.12µm
5MP depthf/2.2
12 megapixels
Main camera resolution8000x6000 pixels4000x3000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.8 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2" inches1/2.55" inches
Pixel size0.8µm pixel1.4µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
2ª cameraSamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
Front camera (secondary)32 megapixels8 megapixels
Front camera resolution6528x4896 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/4" inches1/4" inches
Pixel sizefeature not registered1.12µm pixel
MultimediaSamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
RadioNot supportedFM
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 A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio outputType-C reversible connector3.5mm jack
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Face unlock
Other features- Colors: Black, White
- One UI
- Always-on display
- Samsung DeX
- Dolby Atmos sound
- WiFi direct, hotspot
- Colors: Midnight Black, Ocean Blue, Sunset Red
- MIUI 11
- Sony IMX363 back camera sensor
- Quick Charge 3.0
- WiFi direct, hotspot
Power supplySamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4500 mAh5000 mAh
Charger, watts25W Fast battery charging18W (9V/2A) Fast battery charging
Talk time autonomyfeature not registered2520 minutes | 42 hours | 1.8 days
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy A90 5G (SM-A908B)Xiaomi Redmi 8A (32GB/2GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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