Samsung Galaxy S21 Ultra 5G versus Samsung Galaxy A21

Compare specifications, price, availability, ratings and shopping interest.

Samsung Galaxy S21 Ultra 5G 12GB/128GB

Out Of Stock
KSh 110,600

Samsung Galaxy A21 3GB/32GB

Upcoming
KSh 23,300

Samsung Galaxy S21 Ultra 5G 12GB/128GB Samsung Galaxy A21 3GB/32GB
Price KSh 110,600 KSh 23,300
Sales 66 - For Nov 2025 0 - For Nov 2025
Average rating 3.2 - 37 votes 2.4 - 8 votes
Likes 4 - For Nov 2025 3 - For Nov 2025
Views 2,303 - For Nov 2025 680 - For Nov 2025
General
Available January
2021
 March
2020
Dimensions 165.1 x 75.6 x 8.9 mm
 -
Weight 227 g
 -
Colors Phantom Black
Phantom Silver
 Black
Network 2G, 3G, 4G, 5G 2G, 3G, 4G
Network features - -
Key features IP68 dust & water resistant
Dynamic AMOLED 2X display
Gorilla Glass Victus
8K video recording
UFS 3.1 storage
S-Pen compatible
108MP quad main camera
 16MP quad main camera
4G
Fast charging
Platform
Operating system Android 11; One UI 3.1
 Android 10; One UI 2
GPU Mali-G78 MP14
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Processor 2.9 GHz
Octa-core
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Chipset Exynos 2100
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Graphics processor Mali-G78 MP14
 -
RAM 12GB
 3GB
Storage 128GB UFS 3.1
 32GB
Card slot No
 Yes
Battery 5000mAh
Li-Po
 4000mAh
Li-Po
Battery features 25W Fast Charging
15W Fast Wireless Charging
4.5W Reverse Wireless Charging
 -
Platform features Samsung Knox
Game Booster
Dual Stereo Speakers
AKG Audio
IP68 Dust & Water Resistant
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Display
Display size 6.8 inches
1440 x 3200 pixels
 6.5 inches
720 x 1600 pixels
Display type Dynamic AMOLED 2X screen
16M colors
 Super AMOLED screen
16M colors
Pixel density 515 ppi
 270 ppi
Display features Always-on Display
120Hz Refresh Rate
HDR10+
1500 Nits Peak Brightness
Gorilla Glass Victus
Eye Comfort Shield
Infinity-O Display
S-Pen Compatible
20:9 Aspect Ratio
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Camera
Camera resolution 108MP F1.8 + 10MP F4.9 + 10MP F2.4
12MP F2.2
 16MP + 8MP + 2MP + 2MP quad
Camera features Dual Pixel PDAF
Laser AF
OIS
10x Optical Zoom
Auto-HDR
LED Flash
Color Point Filter
Backdrop Filter
Low-key Mono Filter
High-key Mono Filter
Studio Filter
Blur Filter
Night Mode
Up to 100x Digital Zoom
 Face detection
Geo tagging
Autofocus
Panorama
Touch to focus
HDR
LED flash
PDAF
Video recording 8K 24fps
4K 30/60fps
Full HD 30/60/240fps
HD 960fps
Super Steady Video
 1080p 30fps
Front camera
Front camera resolution 40MP F2.2
 13MP
Front camera features PDAF
Auto HDR
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Video recording 4K 30/60fps
Full HD 30fps
Dual Video Call
 1080p 30fps
Sensors & connectivity
Sensors Fingerprint
Accelerometer
Gyro
Proximity
Compass
Barometer
 Fingerprint
Accelerometer
Proximity
Compass
Connectivity USB Type C 3.2
Bluetooth 5.2
NFC
Dual band WiFi
WiFi Direct
WiFi Hotspot
GPS
GLONASS
BDS
GALILEO
USB OTG
 USB Type C
WiFi hotspot
WiFi Direct
GPS
GLONASS
BDS
Bluetooth 5.0
Connectivity features WiFi 6
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