Skip to content

Samsung Galaxy S8 (SM-G950A) vs Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)

Side by side comparison between Samsung Galaxy S8 vs Samsung Galaxy A21s phones, differences, pros, cons with full specifications. What's the better?

,
Compare Samsung Galaxy A21s XSamsung Galaxy S8 (SM-G950A)26Points
Samsung Galaxy S8 (SM-G950A)
5.8"
AMOLED

1440x2960

12.2
MP

8mp

4GB
RAM

64bit Octa

3000
mAh

(Non removable)

vs
07PointsSamsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)Compare Samsung Galaxy S8 X
Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
6.5"
PLS

720x1600

48
MP

13mp

4GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S8 (SM-G950A)

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 S8 (SM-G950A)26 Advantages Samsung Galaxy S8 (SM-G950A)vsGalaxy A21s (SM-A217F/DSN 64GB/4GB)7 Advantages Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
+2.35Ghz 64bit Octa-Core1%
More powerful processor, you can open your applications faster
vs2Ghz 64bit Octa-Core
+UFS 2.0Advantage
Fastest write and read storage.
vseMMC 5.1
+155 grams (5.43 ounces)24%
Lighter
vs192 grams (6.72 ounces)
+8 millimeters (0.31 inches)11%
Thinner
vs8.9 millimeters (0.35 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT PLS
+HDR10Advantage
The HDR10 display provides vibrant colors and more details
vsNot supported
+1440x2960 pixels3 times
Higher resolution screen
vs720x1600 pixels
+568 PPI110%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs270 PPI
+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
+f/1.7 (aperture)18%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 2K UHD (2560x1440)78%
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+(4G+ LTE-A) 1024 Mbps2 times
Faster for surfing the internet and download files
vs(4G+ LTE-A) 300 Mbps
+Ambient Light sensorAdvantage
Sensors help you use the device
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Iris scannerAdvantage
Sensors help you use the device
vsNot supported
+Heart rateAdvantage
Sensors help you use the device
vsNot supported
+SpO2Advantage
Sensors help you use the device
vsNot supported
+ANT+Advantage
Sensors help you use the device
vsNot supported
+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
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 reversible connector
+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
5.8"vs+6.5"12%
Larger screen
(back) 12.2MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP4 times
Higher resolution main camera
1/2.55" inchesvs+1/2" inches28%
The larger sensor camera lets you take photos with better depth.
(front) 8MPvs+(front) 13MP60%
Higher resolution secondary camera to take pictures and selfies
Android 9.0 Pievs+Android 10Advantage
Android 10 is newer and safer
3000 mAhvs+5000 mAh67%
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

31 Common items in both devices
4GB LPDDR4 / 4GB LPDDR4X
64GB (51GB available) / 64GB (48GB available)
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
60Hz
16 million
LED flash
Only digital zoom
+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 differencesClear highlight
Physical featuresSamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
ModelGalaxy S8 (SM-G950A)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Other model namesAT&T Galaxy S8 G950A (Snapdragon), Samsung DreamGalaxy A21s SM-A217F/Dual-Sim NFC (64GB + 4GB RAM)
Country or region availableUSA
USA
(Europe)SpainGreeceIsraelPortugalTaiwan
(Europe), Spain, Greece, Israel, Portugal, Taiwan
BrandSamsungSamsung
Release dateApril, 2017June, 2020
Depth8 millimeters (0.31 inches)8.9 millimeters (0.35 inches)
Size (width x height)68.1 x 148.9 millimeters (2.68 x 5.86 in)75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight155 grams (5.43 ounces)192 grams (6.72 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: dust proof and waterproof over 1.5 meter and 30minNot supported
System (OS)Samsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Operating systemAndroid 7.0 NougatAndroid 10
Firmware updateAndroid 9.0 Piefeature not registered
HardwareSamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Chipset64bit - Qualcomm Snapdragon 835 MSM8998 (10nm)64bit - Samsung Exynos 850 Octa (8nm)
CPU processorOcta-Core, 2 processors:
2.35Ghz Quad-Core Kryo
1.9Ghz Quad-Core Kryo
Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A55
2Ghz Quad-Core ARM Cortex-A55
GPU graphical controllerQualcomm Adreno 540ARM Mali-G52 MP1
RAM memory4GB LPDDR44GB LPDDR4X
Internal storage64GB (51GB available)
UFS 2.0
64GB (48GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Display typeSuper AMOLEDTFT PLS
Screen size5.8" inches6.5" inches
Screen-to-body ratio~84.2% (screen-to-body ratio)~82.8% (screen-to-body ratio)
Display resolution1440x2960 pixels (18.5:9)720x1600 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)568 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Not supported
Display features60Hz, HDR1060Hz
Mobile networksSamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
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/upload1024/150 Mbps300/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkTD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat16 (1,2,3,4,5,7,8,12,18,19,20,28,29,30)
TD-LTE (38,39,40,41)
LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
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 S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
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 S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Back camera (main camera)12.2 megapixels(quad camera)
48 megapixels
8MP ultrawidef/2.21/4"1.12µm123º
2MP macrof/2.4
2MP depthf/2.4
Main camera resolution4032x3024 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.7 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.55" inches1/2" inches
Pixel size1.4µm pixel0.8µm pixel
AutofocusPDAF on back camera and autofocus front cameraPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
2ª cameraSamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Front camera (secondary)8 megapixels13 megapixels
Front camera resolution3264x2448 pixels4128x3096 pixels
Video recording (secondary)2K UHD (2560x1440)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/1.7 (aperture)f/2.2 (aperture)
Focal length25mm lensfeature not registered
Sensor size1/3.6" inches1/3.1" inches
Pixel size1.22µm pixel1.12µm pixel
MultimediaSamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, DivX, XviDMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
TV outputUSB Type-C (reversible)Not supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNASupportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
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
Iris scanner
Heart rate
SpO2
Hall effect
Face unlock
Fingerprint sensor (rear-mounted)
ANT+
Accelerometer
Proximity sensor
Compass
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Black, Silver, Blue, Gold, Orchid Gray
- Samsung DeX (desktop experience)
- Curved edge screen
- Corning Gorilla Glass 5 back panel
- Samsung Gear VR compatible
- Samsung Pay
- 32bit/192kHz audio
- WiFi direct, hotspot
- Colors: Black, White, Blue, Red
- One UI 2.0
- WiFi direct, hotspot
Power supplySamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
BatteryLi-Ion: Lithium-Ion (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity3000 mAh5000 mAh
Charger, watts15W (9V/1.67A) Fast battery charging
Qi wireless charging (Qi/PMA)
Quick Charge 2
15W (9V/1.67A) Fast battery charging
Talk time autonomy1740 minutes | 29 hours | 1.2 daysfeature not registered
Standby19560 minutes | 326 hours | 13.6 daysfeature not registered
Radiation rateSamsung Galaxy S8 (SM-G950A)Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.422W/kg (head) | 1.544W/kg (body)
X

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