Google Pixel 10a vs Samsung Galaxy S21 Ultra comparison

Show Only Differences Highlight Differences	Google Pixel 10a	Samsung Galaxy S21 Ultra
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	6.30-inch	6.80-inch
Processor	Google Tensor G4	Samsung Exynos 2100
Front Camera	13-megapixel	40-megapixel
Rear Camera	48-megapixel + 13-megapixel	108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel
RAM	8GB	12GB, 16GB
Storage	256GB	128GB, 256GB, 512GB
Battery Capacity	5100mAh	5000mAh
OS	Android 16	Android 11
Resolution	1080x2424 pixels	1440x3220 pixels
general
Brand	Google	Samsung
Model	Pixel 10a	Galaxy S21 Ultra
Release date	February 18, 2026	January 14, 2021
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	153.90 x 73.00 x 9.00	165.10 x 75.60 x 8.90
Weight (g)	183.00	228.00
IP rating	IP68	IP68
Battery capacity (mAh)	5100	5000
Removable battery	No	-
Fast charging	Proprietary	Proprietary
Wireless charging	Yes	Yes
Wireless Charging Type	10W	-
Colours	Lavender, Berry, Fog, Obsidian	Phantom Titanium, Phantom Navy, Phantom Brown
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.30	6.80
Touchscreen	Yes	Yes
Resolution	1080x2424 pixels	1440x3220 pixels
Protection type	Gorilla Glass 7i	Gorilla Glass
Pixels per inch (PPI)	-	515
hardware
Processor	octa-core	2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz)
Processor make	Google Tensor G4	Samsung Exynos 2100
RAM	8GB	12GB, 16GB
Internal storage	256GB	128GB, 256GB, 512GB
Expandable storage	No	-
camera
Rear camera	48-megapixel (f/1.7) + 13-megapixel (f/2.2)	108-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 Cameras	2	-
Rear autofocus	Yes	Laser autofocus
Rear flash	Yes	Yes
Front camera	13-megapixel (f/2.2)	40-megapixel (f/2.2, 0.7-micron)
No. of Front Cameras	1	-
Pop-Up Camera	No	-
software
Operating system	Android 16	Android 11
Skin	-	One UI 3.1
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 6.00	Yes, v 5.00
NFC	Yes	Yes
USB Type-C	Yes	Yes
Number of SIMs	2	2
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
4G/ LTE	-	Yes
5G	-	Yes
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM + CDMA	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Barometer	Yes	Yes
Face unlock	-	Yes
In-Display Fingerprint Sensor	-	Yes

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