Samsung Galaxy S25 Edge vs Samsung Galaxy S21 comparison

Show Only Differences Highlight Differences	Samsung Galaxy S25 Edge	Samsung Galaxy S21
ratings
Overall NDTV Rating	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.70-inch	6.20-inch
Processor	Snapdragon 8 Elite	Samsung Exynos 2100
Front Camera	12-megapixel	10-megapixel
Rear Camera	200-megapixel + 12-megapixel	12-megapixel + 12-megapixel + 64-megapixel
RAM	12GB	8GB
Storage	256GB, 512GB	128GB, 256GB
Battery Capacity	3900mAh	4000mAh
OS	Android 15	Android 11
Resolution	1440x3120 pixels	1080x2400 pixels
general
Brand	Samsung	Samsung
Model	Galaxy S25 Edge	Galaxy S21
Release date	May 13, 2025	January 14, 2021
AI Enabled	Yes	-
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Body type	Metal	-
Dimensions (mm)	158.20 x 75.60 x 5.80	151.70 x 71.20 x 7.90
Weight (g)	163.00	171.00
Battery capacity (mAh)	3900	4000
Removable battery	No	-
Wireless charging	Yes	Yes
Colours	Titanium Jetblack, Titanium Silver	Phantom Violet
IP rating	-	IP68
Fast charging	-	Proprietary
display
Refresh Rate	120 Hz	-
Resolution Standard	QHD+	-
Screen size (inches)	6.70	6.20
Resolution	1440x3120 pixels	1080x2400 pixels
Protection type	Other	Gorilla Glass
Touchscreen	-	Yes
Aspect ratio	-	20:9
Pixels per inch (PPI)	-	421
hardware
Processor	4.47 MHz octa-core	2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor make	Snapdragon 8 Elite	Samsung Exynos 2100
RAM	12GB	8GB
Internal storage	256GB, 512GB	128GB, 256GB
Expandable storage	No	-
Expandable storage type	No	-
Dedicated microSD slot	No	-
camera
Rear camera	200-megapixel (f/1.7) + 12-megapixel (f/2.2)	12-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 Cameras	2	3
Rear flash	Yes	Yes
Front camera	12-megapixel (f/2.2)	10-megapixel (f/2.2, 1.22-micron)
No. of Front Cameras	1	1
Pop-Up Camera	No	-
Lens Type (Second Rear Camera)	Ultra Wide-Angle	-
Rear autofocus	-	Yes
software
Operating system	Android 15	Android 11
Skin	One UI 7	One UI 3.1
connectivity
Wi-Fi 7	Yes	-
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 5.00
NFC	Yes	Yes
USB Type-C	Yes	Yes
Lightning	No	-
Number of SIMs	2	2
Wi-Fi Direct	Yes	-
Active 4G on both SIM cards	Yes	-
Wi-Fi standards supported	-	802.11 a/b/g/n/ac/ax
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM + CDMA	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM + CDMA	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	Yes
sensors
Face unlock	-	Yes
In-Display Fingerprint Sensor	-	Yes
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	Yes
Barometer	-	Yes

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