Samsung Galaxy S25 Ultra vs Samsung Galaxy S21+ comparison

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Compare Samsung Galaxy S25 Ultra
Compare Samsung Galaxy S21+
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.90-inch6.70-inch
ProcessorSnapdragon 8 EliteSamsung Exynos 2100
Front Camera12-megapixel 10-megapixel
Rear Camera200-megapixel + 50-megapixel + 50-megapixel + 10-megapixel12-megapixel + 12-megapixel + 64-megapixel
RAM12GB8GB
Storage256GB, 512GB, 1TB128GB, 256GB
Battery Capacity5000mAh4800mAh
OSAndroid 15Android 11
Resolution1400x3120 pixels1080x2400 pixels
general
BrandSamsungSamsung
ModelGalaxy S25 UltraGalaxy S21+
Release dateJanuary 22, 2025January 14, 2021
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)162.80 x 77.60 x 8.20161.50 x 75.60 x 7.80
Weight (g)218.00202.00
IP ratingIP68IP68
Battery capacity (mAh)50004800
Removable batteryNo-
Fast charging45W Fast ChargingProprietary
Wireless chargingYesYes
Wireless Charging Type15-
Brand Exclusive FeaturesTitanium frame, Corning Gorilla Armor (Rear and Front Panel)-
Colours-Phantom Violet
display
Refresh Rate120 Hz-
Resolution StandardQHD+-
Screen size (inches)6.906.70
TouchscreenYesYes
Resolution1400x3120 pixels1080x2400 pixels
Protection typeGorilla Glass ArmorGorilla Glass
Aspect ratio-20:9
Pixels per inch (PPI)-394
hardware
Processorocta-core2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor makeSnapdragon 8 EliteSamsung Exynos 2100
RAM12GB8GB
Internal storage256GB, 512GB, 1TB128GB, 256GB
Expandable storageNo-
Expandable storage typeNo-
Dedicated microSD slotNo-
camera
Rear camera200-megapixel (f/1.7) + 50-megapixel (f/1.9) + 50-megapixel + 10-megapixel12-megapixel (f/1.8, 1.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 64-megapixel (f/2.0, 0.8-micron)
No. of Rear Cameras4-
Rear autofocusYesYes
Rear flashYesYes
Front camera12-megapixel (f/2.2)10-megapixel (f/2.2, 1.22-micron)
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 11
SkinOne UI 7One UI 3.1
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 5.30Yes, v 5.00
NFCYesYes
USB Type-CYesYes
Number of SIMs22
Wi-Fi DirectYes-
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYesYes
sensors
Fingerprint sensorYes-
In-Display Fingerprint SensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
BarometerYesYes
Face unlock-Yes
Compare Samsung Galaxy S25 Ultra
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