Gizmoindex

Device comparison

Two devices. One clear decision.

Choose the exact models, then compare every available specification in one aligned view.

Missing information stays missing. Only stored specifications are shown.

Samsung Galaxy A21s

Device A

Galaxy A21s

Samsung · Phones

Open full profile →
Infinix Smart 20

Device B

Smart 20

Infinix · Phones

Open full profile →

Complete comparison

Full specifications

Every available group and stored value, aligned by field.

LAUNCH DATE3 fields
SpecificationGalaxy A21sSmart 20
AnnouncedMay 15, 20202026, February
Released2020-06-022026-03-04
StatusJune 02, 2020Available
NETWORK6 fields
SpecificationGalaxy A21sSmart 20
2G BandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G BandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G LTE1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 411, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
5GNoNo
SpeedLTELTE
Technology4G/LTE/2G4G / 3G / 2G
BODY5 fields
SpecificationGalaxy A21sSmart 20
BuildGlass front, plastic back, plastic frameGlass front, plastic back, plastic frame
Dimensions163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)167.7 x 78.8 x 7.7 mm
IP RatingNo IP ratingIP64
SIMNano-SIMDual Nano-SIM, dual standby; dedicated microSD slot
Weight192 g (6.77 oz)189 g
DISPLAY8 fields
SpecificationGalaxy A21sSmart 20
Brightness540 nits (typ), 495 nits (max, measured)560 nits typical; 700 nits HBM
Color—72% NTSC
Protection—No branded cover glass specified by Infinix
Refresh Rate60HzUp to 120 Hz
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)720 x 1576
Screen-to-body~82.8%~84.8%
Size6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio)6.78 inches
TypePLS LCDIPS LCD
PLATFORM4 fields
SpecificationGalaxy A21sSmart 20
CPUOcta-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)Octa-core (2x2.0GHz Cortex-A75 & 6x1.7GHz Cortex-A55
ChipsetExynos 850 (8 nm)MediaTek Helio G81 Ultimate
GPUMali-G52Mali-G52
OSAndroid 10, upgradable to Android 12, One UI 4.1Android 16, XOS 16
MEMORY5 fields
SpecificationGalaxy A21sSmart 20
Card slotmicroSDXC (dedicated slot)Expandable storage, up to 2 TB
Internal32GB, 64GB, 128GB64 GB / 128 GB
RAM2GB RAM, 3GB RAM, 4GB RAM, 6GB RAM, 3GB RAM,4 GB
Storage Type—eMMC
Storage/RAM variants32GB, 64GB, 128GB; 2GB RAM, 3GB RAM, 4GB RAM, 6GB RAM, 3GB RAM,64 GB / 128 GB; 4 GB RAM
MAIN CAMERA3 fields
SpecificationGalaxy A21sSmart 20
FeaturesLED flash, panorama, HDRLED Flash
MAIN CAMERA48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)8 MP, f/2.0, autofocus
Video1080p@30fps2K at 30 fps; 1080p at 30 fps
SELFIE CAMERA3 fields
SpecificationGalaxy A21sSmart 20
FeaturesHDRScreen flash
Selfie camera13 MP, f/2.2, (wide), 1/3.1", 1.12µm8 MP, f/2.0
Video1080p@30fps2K at 30 fps
SOUND2 fields
SpecificationGalaxy A21sSmart 20
3.5mm jackYesYes
LoudspeakerYesYes
COMMUNICATION6 fields
SpecificationGalaxy A21sSmart 20
Bluetooth5.0, A2DP, LEYes
NFCYes (market/region dependent)Yes
PositioningGPS, GLONASS, GALILEO, BDSYes, with A-GPS
RadioFM radio, RDS, recordingYes
USBUSB Type-C 2.0USB Type-C
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectYes
FEATURES1 field
SpecificationGalaxy A21sSmart 20
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compassG-SENSOR, E-COMPASS, GYROSCOPE, LIGHT SENSOR, PROXIMITY SENSOR, FINGERPRINT, MOTOR, INFRARED BLASTER
BATTERY3 fields
SpecificationGalaxy A21sSmart 20
Capacity5000 mAh5200 mAh
Charging Type15W wired15W supported; 10W charger supplied
TypeLi-Po 5000 mAhNon-removable Li-Po Battery
ADDITIONAL INFORMATION5 fields
SpecificationGalaxy A21sSmart 20
ColorsBlack, White, Blue, RedShadow Black, Polaris Titanium, Sunlike Orange, Cloudline Blue
Compatibility—India specification set
Launch Price (USD)$60.00 (reference only — see Price in Nigeria above for the actual retail price)—
ModelsSM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217NX6840
Price in Nigeria₦100,000 (Seller price)₦159,800 (Seller price)
TESTS3 fields
SpecificationGalaxy A21sSmart 20
Battery Endurance—PCMark battery test: 11 h 24 min; charging from 20% to 100% took 2 h 12 min (91mobiles testing).
Graphics—3DMark Wild Life Extreme: 169; BGMI averaged 28.4 FPS; Call of Duty Mobile delivered 40-45 FPS (91mobiles testing).
Performance—AnTuTu: 366,645; Geekbench multi-core: 1,352 (91mobiles testing).
SECURITY3 fields
SpecificationGalaxy A21sSmart 20
Anti-theft—Android Find Hub with remote locate, secure and erase functions; Android theft-protection features are configurable where supported.
Data Protection—Android 16 device encryption and screen-lock protection with fingerprint authentication.
SecurityBiometric security: Fingerprint (rear-mounted).Side-mounted fingerprint sensor; Android 16 with XOS 16; two years of security patches promised.

Search Gizmoindex

Start typing to find devices, brands, categories, guides and news.