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Realme GT 7 vs Samsung Galaxy S21 Ultra comparison

 Compare Realme GT 7
Realme GT 7
Compare Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Ultra
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
Display6.78-inch6.80-inch
ProcessorMediaTek Dimensity 9400eSamsung Exynos 2100
Front Camera32-megapixel40-megapixel
Rear Camera50-megapixel + 50-megapixel + 8-megapixel108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel
RAM8GB, 12GB12GB, 16GB
Storage256GB, 512GB128GB, 256GB, 512GB
Battery Capacity7000mAh5000mAh
OSAndroid 15Android 11
Resolution1280x2800 pixels1440x3220 pixels
general
BrandRealmeSamsung
ModelGT 7Galaxy S21 Ultra
Release dateMay 27, 2025January 14, 2021
AI EnabledYes-
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePolycarbonate-
Dimensions (mm)162.42 x 75.97 x 8.25165.10 x 75.60 x 8.90
Weight (g)203.00228.00
IP ratingIP69IP68
Battery capacity (mAh)70005000
Fast charging120W FlashChargeProprietary
ColoursIceSense Black, IceSense BluePhantom Titanium, Phantom Navy, Phantom Brown
Wireless charging-Yes
display
Refresh Rate120 Hz-
Resolution StandardFHD+-
Screen size (inches)6.786.80
TouchscreenYesYes
Resolution1280x2800 pixels1440x3220 pixels
Pixels per inch (PPI)450515
Protection type-Gorilla Glass
hardware
Processorocta-core2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor makeMediaTek Dimensity 9400eSamsung Exynos 2100
RAM8GB, 12GB12GB, 16GB
Internal storage256GB, 512GB128GB, 256GB, 512GB
Expandable storageNo-
Dedicated microSD slotNo-
camera
Rear camera50-megapixel + 50-megapixel + 8-megapixel108-megapixel (f/1.8, 0.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 10-megapixel (f/2.4, 1.22-micron) + 10-megapixel (f/4.9, 1.22-micron)
No. of Rear Cameras3-
Rear flashYesYes
Front autofocusYes-
Front flashLED-
Lens Type (Second Rear Camera)Ultra Wide-Angle-
Front camera32-megapixel40-megapixel (f/2.2, 0.7-micron)
Rear autofocus-Laser autofocus
software
Operating systemAndroid 15Android 11
SkinRealme UI 6.0One UI 3.1
connectivity
Wi-Fi 7Yes-
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n/ac802.11 a/b/g/n/ac/ax
GPSYesYes
BluetoothYes, v 5.40Yes, v 5.00
NFCYesYes
USB OTGYes-
USB Type-CYesYes
Number of SIMs22
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes
sim 2
SIM TypeeSIMNano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
5G-Yes
sensors
Face unlockYesYes
In-Display Fingerprint SensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Compass/ Magnetometer-Yes
Barometer-Yes
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