Samsung Galaxy S25 Ultra vs Samsung Galaxy M21 comparison

Compare Samsung Galaxy S25 Ultra
Compare Samsung Galaxy M21s
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-inch6.40-inch
ProcessorSnapdragon 8 EliteSamsung Exynos 9611
Front Camera12-megapixel 32-megapixel
Rear Camera200-megapixel + 50-megapixel + 50-megapixel + 10-megapixel64-megapixel + 8-megapixel + 5-megapixel
RAM12GB4GB
Storage256GB, 512GB, 1TB64GB
Battery Capacity5000mAh6000mAh
OSAndroid 15Android 10
Resolution1400x3120 pixels1080x2340 pixels
general
BrandSamsungSamsung
ModelGalaxy S25 UltraGalaxy M21s
Release dateJanuary 22, 2025November 5, 2020
Launched in IndiaYesNo
Form factorTouchscreenTouchscreen
Dimensions (mm)162.80 x 77.60 x 8.20159.20 x 75.10 x 8.90
Weight (g)218.00191.00
IP ratingIP68-
Battery capacity (mAh)50006000
Removable batteryNo-
Fast charging45W Fast ChargingProprietary
Wireless chargingYes-
Wireless Charging Type15-
Brand Exclusive FeaturesTitanium frame, Corning Gorilla Armor (Rear and Front Panel)-
Colours-Black, Blue
display
Refresh Rate120 Hz-
Resolution StandardQHD+-
Screen size (inches)6.906.40
TouchscreenYesYes
Resolution1400x3120 pixels1080x2340 pixels
Protection typeGorilla Glass Armor-
hardware
Processorocta-core8 MHz
Processor makeSnapdragon 8 EliteSamsung Exynos 9611
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-megapixel64-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.2)
No. of Rear Cameras4-
Rear autofocusYes-
Rear flashYes-
Front camera12-megapixel (f/2.2)32-megapixel (f/2.0)
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 Core
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.30Yes, v 5.00
NFCYes-
USB Type-CYesYes
Number of SIMs22
Wi-Fi DirectYes-
Active 4G on both SIM cardsYes-
Headphones-3.5mm
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
Fingerprint sensorYesYes
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
BarometerYes-

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