Samsung Galaxy S8 vs. Samsung Galaxy A20

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy S8 and Samsung Galaxy A20. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Samsung Galaxy S8 vs. Samsung Galaxy A20 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S8 Samsung Galaxy A20
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G950FD SM-A205G/DS
Form Factor Touch Touch
Height 148.9 mm 158.4 mm Samsung Galaxy A20 has greater height than Samsung Galaxy S8.
Width 68.1 mm 74.7 mm Samsung Galaxy A20 has greater width than Samsung Galaxy S8.
Depth 8 mm 7.8 mm Samsung Galaxy A20 is narrower than Samsung Galaxy S8.
Weight 155 g 169 g Samsung Galaxy S8 is lighter than Samsung Galaxy S8.
Body Colour Gold maple | Midnight black Red | Coral orange | Black
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy S8 is waterproof.
IP rating IP68 -
SAR Value 1.55 W/kg (simultaneous), 0.75 W/kg (body), 0.44 W/kg (head) 0.46 W/kg (body), 0.32 W/kg (head)
Integrated Components Heart rate sensor -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
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 S8 Samsung Galaxy A20
Display Type OLED display OLED display
Display Technology Quad HD+ Super AMOLED Super AMOLED
Screen Size (Display Size) 5.8" 6.4" Samsung Galaxy A20 has larger screen size than Samsung Galaxy S8.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 1560 x 720 pixels Samsung Galaxy S8 has better screen resolution than Samsung Galaxy A20.
Display Format - HD+
Pixel Density 570 ppi -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Always-on display Night mode, Infinity V Display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Samsung Galaxy S8 Samsung Galaxy A20
Processor Type (CPU) Samsung Exynos -
Processor Number 8895 -
Clock Speed 2.3 GHz 1.6 GHz Samsung Galaxy S8 has higher clock speed than Samsung Galaxy A20.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy S8 has 64-bit architecture.
Graphics System (GPU) Mali-G71 MP20 -
MEMORY Samsung Galaxy S8 Samsung Galaxy A20
RAM LPDDR4 SDRAM - 4 GB 3 GB Samsung Galaxy S8 has more RAM than Samsung Galaxy A20.
Internal Memory Size (Storage Capacity) 64 GB 32 GB Samsung Galaxy S8 has more internal memory than Samsung Galaxy A20.
User Memory 52.3 GB 21.7 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy S8 Samsung Galaxy A20
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 12 Megapixel 13 Megapixel Samsung Galaxy A20 has better camera resolution than Samsung Galaxy S8.
Sensor Size 1/2.55" -
Lens Type - Wide-angle lens
Lens Aperture F/1.7 F/1.9 Samsung Galaxy S8 has better lens aperture than Samsung Galaxy S8.
Field of View (FoV) - 76 degree(s)
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy S8 has optical stabilisation.
Focus Adjustment Automatic, manual Automatic
Digital Zoom 8x -
Self-Timer Delay Yes -
Special Effects Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers -
Camera Modes Panorama, Slow motion mode, Pro mode, Timer mode, Virtual Shot, HYPERLAPSE, Food mode -
Face Recognition (Face ID) Face detection - Samsung Galaxy S8 has face detection.
White Balance Custom, automatic -
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Selective Focus, Quick Launch, Playback zoom, Dual Pixel technology, Motion photo, Exposure, Shutter speed, geotagging, RAW image capture, VDIS (Video Digital Image Stabilisation) -
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) 1/3.6" -
Sensor Type (Front) CMOS -
Lens Aperture (Front) F/1.7 F/2.0 Samsung Galaxy S8 has better front lens aperture than Samsung Galaxy S8.
Focus Adjustment Automatic Focus free
Camera Modes (Front) Slow motion video, Virtual Shot Selfie focus
Light Source (Front) - Display flash
BATTERY AND CHARGING Samsung Galaxy S8 Samsung Galaxy A20
Battery Capacity (Battery Size) 3000 mAh 4000 mAh Samsung Galaxy A20 has larger battery capacity than Samsung Galaxy S8.
Wireless Charging Yes - Samsung Galaxy S8 can be charged wirelessly.
Wireless Charging Standards WPC, PMA -
Standby Time 81.12 hours -
Talk Time 1200 minutes 1560 minutes Samsung Galaxy A20 has longer battery life when making calls than Samsung Galaxy S8.
Run Time Details Talk (WCDMA): up to 1200 min
Active online usage (Wi-Fi): up to 14 hrs
Active online usage (3G): up to 11 hrs
Active online usage (LTE): up to 12 hrs
Playback (audio (Always On Display Off)): up to 67 hrs
Playback (audio (Always On Display On)): up to 44 hrs
Playback (video): up to 16 hrs
Active online usage (3G): up to 12 hrs
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 82 hrs
Talk (3G): up to 1560 min
CELLULAR Samsung Galaxy S8 Samsung Galaxy A20
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 7.0 Nougat -
User Interface - Samsung One UI
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy S8 Samsung Galaxy A20
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 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 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 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 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66
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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0 LE
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy S8 Samsung Galaxy A20
Supported Digital Audio Standards WAV, WMA, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, apt-X, DSF, DSD, MXMF, OGA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID 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
FEATURES Samsung Galaxy S8 Samsung Galaxy A20
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, heart rate, pressure sensor, geomagnetic sensor Accelerometer, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader, eye scan Face recognition, fingerprint reader
Additional Phone Features Face Unlock, Wi-Fi Miracast, MU-MIMO technology, Fast Charging, Samsung KNOX Fast Charging
OTHERS Samsung Galaxy S8 Samsung Galaxy A20
Included Accessories Stereo headset, USB cable, power adapter, SIM card removal tool, micro-USB connector, 2 pair ear plugs, USB-C to Micro-USB Adapter Power adapter
Compliant Standards IP68 -
Max Depth of Water Resistance 1.5 m -
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