Samsung Galaxy S25 Ultra vs Samsung Galaxy A21 comparison

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Compare Samsung Galaxy S25 Ultra
Compare Samsung Galaxy A21s
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.90-inch6.50-inch
ProcessorSnapdragon 8 EliteSamsung Exynos 850
Front Camera12-megapixel 13-megapixel
Rear Camera200-megapixel + 50-megapixel + 50-megapixel + 10-megapixel48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM12GB4GB
Storage256GB, 512GB, 1TB64GB
Battery Capacity5000mAh5000mAh
OSAndroid 15Android 10
Resolution1400x3120 pixels720x1600 pixels
general
BrandSamsungSamsung
ModelGalaxy S25 UltraGalaxy A21s
Release dateJanuary 22, 2025May 15, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)162.80 x 77.60 x 8.20163.60 x 75.30 x 8.90
Weight (g)218.00191.00
IP ratingIP68-
Battery capacity (mAh)50005000
Removable batteryNoNo
Fast charging45W Fast ChargingProprietary
Wireless chargingYes-
Wireless Charging Type15-
Brand Exclusive FeaturesTitanium frame, Corning Gorilla Armor (Rear and Front Panel)-
Colours-White, Black, Blue
display
Refresh Rate120 Hz-
Resolution StandardQHD+-
Screen size (inches)6.906.50
TouchscreenYesYes
Resolution1400x3120 pixels720x1600 pixels
Protection typeGorilla Glass Armor-
hardware
Processorocta-core2GHz octa-core
Processor makeSnapdragon 8 EliteSamsung Exynos 850
RAM12GB4GB
Internal storage256GB, 512GB, 1TB64GB
Expandable storageNoYes
Expandable storage typeNomicroSD
Dedicated microSD slotNoYes
Expandable storage up to (GB)-512
camera
Rear camera200-megapixel (f/1.7) + 50-megapixel (f/1.9) + 50-megapixel + 10-megapixel48-megapixel (f/2.0) + 8-megapixel (f/2.0) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras4-
Rear autofocusYes-
Rear flashYesYes
Front camera12-megapixel (f/2.2)13-megapixel (f/2.2)
No. of Front Cameras1-
Front autofocusYes-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Lens Type (Third Rear Camera)Telephoto-
Lens Type (Fourth Rear Camera)Telephoto-
software
Operating systemAndroid 15Android 10
SkinOne UI 7One UI
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax-
GPSYes-
BluetoothYes, v 5.30Yes, v 5.00
NFCYesYes
USB Type-CYes-
Number of SIMs2-
Wi-Fi DirectYes-
Active 4G on both SIM cardsYes-
Headphones-3.5mm
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GYes-
sensors
Fingerprint sensorYesYes
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYes-
Proximity sensorYes-
AccelerometerYes-
Ambient light sensorYes-
GyroscopeYes-
BarometerYes-
Compare Samsung Galaxy S25 Ultra
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