Samsung Galaxy S10 vs. Samsung Galaxy A21s

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy S10 and Samsung Galaxy A21s. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Samsung Galaxy S10 vs. Samsung Galaxy A21s Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S10 Samsung Galaxy A21s
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G973F/DS SM-A217F/DSN
Form Factor Touch Touch
Height 149.9 mm 163.7 mm Samsung Galaxy A21s has greater height than Samsung Galaxy S10.
Width 70.4 mm 75.3 mm Samsung Galaxy A21s has greater width than Samsung Galaxy S10.
Depth 7.8 mm 8.9 mm Samsung Galaxy S10 is narrower than Samsung Galaxy S10.
Weight 157 g 192 g Samsung Galaxy S10 is lighter than Samsung Galaxy S10.
Body Colour Cardinal red | Prism black | Prism green | Prism white | Prism blue | Silver prism White | Blue | Black
Body Material Gorilla glass 5 -
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy S10 is waterproof.
IP rating IP68 -
SAR Value 1.593 W/kg (body), 0.477 W/kg (head), 2.73 W/kg (limb) 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb)
Integrated Components Heart rate sensor -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Samsung Galaxy S10 Samsung Galaxy A21s
Display Type OLED display LCD display
Display Technology Infinity-O Dynamic AMOLED PLS TFT
Screen Size (Display Size) 6.1" 6.5" Samsung Galaxy A21s has larger screen size than Samsung Galaxy S10.
Screen Resolution (Display Resolution) 3040 x 1440 pixels 1600 x 720 pixels Samsung Galaxy S10 has better screen resolution than Samsung Galaxy A21s.
Display Format QHD+ HD+
Pixel Density 550 ppi -
Aspect Ratio - 20:9
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
HDR Yes - Samsung Galaxy S10 has HDR.
HDR Technology HDR10+ -
Display Features Always-on display, Edge Screen Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass 6 (scratch resistant glass) -
PROCESSOR Samsung Galaxy S10 Samsung Galaxy A21s
Processor Type (CPU) Exynos -
Processor Number 9820 -
Clock Speed 2.7 GHz 2 GHz Samsung Galaxy S10 has higher clock speed than Samsung Galaxy A21s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy S10 has 64-bit architecture.
MEMORY Samsung Galaxy S10 Samsung Galaxy A21s
RAM LPDDR4X SDRAM - 8 GB 3 GB Samsung Galaxy S10 has more RAM than Samsung Galaxy A21s.
Internal Memory Size (Storage Capacity) 128 GB 32 GB Samsung Galaxy S10 has more internal memory than Samsung Galaxy A21s.
User Memory 107.8 GB 19.5 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy S10 Samsung Galaxy A21s
MAIN CAMERA
Number of Main Cameras 3 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A21s has better camera resolution than Samsung Galaxy S10.
Lens Type Telephoto lens Wide-angle lens
Lens Aperture F/2.4 F/2.0 Samsung Galaxy A21s has better lens aperture than Samsung Galaxy S10.
Field of View (FoV) 45 degree(s) 80 degree(s) Samsung Galaxy A21s has larger lens field of view than Samsung Galaxy S10.
Pixel Size 1 μm -
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) - Samsung Galaxy S10 has optical stabilisation.
Focus Adjustment Automatic, manual Automatic
Optical Zoom 2x -
Digital Zoom 10x 8x Samsung Galaxy S10 has better digital zoom than Samsung Galaxy A21s.
Special Effects HDR, Grid Line -
Camera Modes Panorama, Slow motion mode, Pro mode, Timer mode, HYPERLAPSE, Super Slow-mo, AR Emoji, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Motion Photos, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view Live Focus mode
Face Recognition (Face ID) Face detection - Samsung Galaxy S10 has face detection.
Light Source High CRI LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, 9.1MP still photos recording 4K video, Shot suggestions, blur detection, HDR10+ recording, Floating shutter button, Super steady Live Focus
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Samsung Galaxy S10 has better second camera resolution than Samsung Galaxy A21s.
Lens Type (2nd Camera) Wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/1.5 & f/2.4 F/2.2 Samsung Galaxy S10 has better second camera lens aperture than Samsung Galaxy S10.
Field of View (2nd Camera) - 123 degree(s)
Camera Features (2nd Camera) Dual Pixel AF, OIS (Optical Image Stabilisation) -
THIRD CAMERA
Sensor Resolution (3rd Camera) 16 Megapixel 2 Megapixel Samsung Galaxy S10 has higher resolution third camera than Samsung Galaxy A21s.
Lens Type (3rd Camera) Ultra wide-angle lens -
Lens Aperture (3rd Camera) F/2.2 F/2.4 Samsung Galaxy S10 has better third camera lens aperture than Samsung Galaxy S10.
Field of View (3rd Camera) 123 degree(s) -
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - 4cm macro photography
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 10 Megapixel 13 Megapixel Samsung Galaxy A21s has better front camera resolution than Samsung Galaxy S10.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.9 F/2.2 Samsung Galaxy S10 has better front lens aperture than Samsung Galaxy S10.
Field of View (Front) 80 degree(s) -
Pixel Size (Front) 1.22 μm -
Focus Adjustment Automatic Focus free
Camera Modes (Front) Live Focus mode -
Camera Features (Front) Dual Pixel AF -
BATTERY AND CHARGING Samsung Galaxy S10 Samsung Galaxy A21s
Battery Capacity (Battery Size) 3400 mAh 5000 mAh Samsung Galaxy A21s has larger battery capacity than Samsung Galaxy S10.
Fast Charging Technology Qualcomm Quick Charge 2.0, Adaptive Fast Charging - Samsung Galaxy S10 has fast charging technology.
Wireless Charging Yes - Samsung Galaxy S10 can be charged wirelessly.
Wireless Charging Standards WPC, PMA, Qi, Fast Wireless Charging 2.0, Wireless PowerShare -
Talk Time 1260 minutes 3240 minutes Samsung Galaxy A21s has longer battery life when making calls than Samsung Galaxy S10.
Run Time Details Talk (3G): up to 1260 min
Active online usage (3G): up to 12 hrs
Active online usage (LTE): up to 14 hrs
Active online usage (Wi-Fi): up to 14 hrs
Playback (video): up to 18 hrs
Playback (audio): up to 81 hrs
Active online usage (4G): up to 23 hrs
Active online usage (Wi-Fi): up to 23 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 109 hrs
Talk (4G): up to 3240 min
Battery Technology - Lithium Ion
CELLULAR Samsung Galaxy S10 Samsung Galaxy A21s
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie -
User Interface One UI One UI
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy S10 Samsung Galaxy A21s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, LAA GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0 LE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy S10 Samsung Galaxy A21s
Supported Digital Audio Standards WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound Dolby Atmos sound technology
FEATURES Samsung Galaxy S10 Samsung Galaxy A21s
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, pressure sensor, geomagnetic sensor Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display), face recognition Face recognition, fingerprint reader
Additional Phone Features Smart Select, MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Live message, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer Samsung KNOX, Virtual Light Sensing
OTHERS Samsung Galaxy S10 Samsung Galaxy A21s
Included Accessories Power adapter, SIM card removal tool, USB connector, USB-C cable, headset (tuned by AKG) Power adapter
Compliant Standards VDE, IP68, TUV Rheinland Eye Comfort Certification -
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