Samsung Galaxy M21 (2021) versus Samsung Galaxy A51 5G

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

Samsung Galaxy M21 (2021) 6GB/128GB

Discontinued
KSh 24,900

Samsung Galaxy A51 5G 6GB/128GB

Upcoming
KSh 34,500

Samsung Galaxy M21 (2021) 6GB/128GB Samsung Galaxy A51 5G 6GB/128GB
Price KSh 24,900 KSh 34,500
Sales 6 - For Oct 2025 0 - For Oct 2025
Average rating 4.7 - 3 votes 4 - 7 votes
Likes 2 - For Oct 2025 3 - For Oct 2025
Views 336 - For Oct 2025 965 - For Oct 2025
General
Available July
2021
 April
2020
Dimensions 159 x 75.1 x 9 mm
 158.9 x 73.6 x 8.7 mm
Weight 192 g
 187 g
Colors Arctic Blue
Charcoal Black
 Prism Cube Black
Prism Cube Pink
Prism Cube White
Network 2G, 3G, 4G 2G, 3G, 4G, 5G
Network features 2G: 850, 900, 1800, 1900; 3G: B1, B2, B5, B8; 4G FDD: B1, B3, B5, B7, B8, B20; 4G TDD: B38, B40, B41 -
Key features FHD+ Super AMOLED display
48MP triple main camera
20MP selfie camera
6000mAh battery power
4K video recording
Fingerprint / face unlock
 48MP quad main camera
32MP selfie
4K video recording
5G
Fast charging
USB Type C
Gorilla Glass 3
Platform
Operating system Android 11; One UI 3.1 Core
 Android 10.0; One UI 2
GPU Mali-G72 MP3
 Mali-G76 MP5
Processor 2.3 GHz
Octa-core
 2.2 GHz
Octa-core
Chipset Exynos 9611
 Exynos 980
Graphics processor Mali-G72 MP3
 Mali-G76 MP5
RAM 6GB
 6GB
Storage 128GB
 128GB
Card slot MicroSD
Up To 512GB
Dedicated Slot
 Yes
Battery 6000mAh
Li-Po
 4500mAh
Li-Po
Battery features 15W Fast Charging
Up To 22h Wi-Fi / LTE Internet
Up To 29h Video Playback
Up To 49h LTE Talk Time
Up To 121h Audio Playback
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Platform features -
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Display
Display size 6.4 Inches
1080 x 2340 Pixels
 6.5 inches
1080 x 2400 pixels
Display type Super AMOLED Screen
16M Colors
 Super AMOLED screen
16M colors
Pixel density 403 ppi
 405 ppi
Display features Infinity-U
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Camera
Camera resolution 48MP F2.0 + 8MP F2.2 + 5MP F2.2
 48MP + 12MP + 5MP +5MP quad
Camera features 123-degree Ultra Wide Angle
Bokeh
Portrait
LED Flash
 Face detection
Geo tagging
Autofocus
Panorama
Touch to focus
HDR
LED flash
PDAF
Video recording 4K 30fps
Full HD 30fps
240fps Slow Motion @HD
 2160p 30fps
Front camera
Front camera resolution 20MP F2.2
 32MP
Front camera features Bokeh
 HDR
Video recording Full HD 30fps
 1080p 30fps
Sensors & connectivity
Sensors Fingerprint
Accelerometer
Proximity
Gyro
Compass
Ambient Light
 Fingerprint
Accelerometer
Proximity
Gyro
Compass
Connectivity USB Type-C 2.0
Wi-Fi Hotspot
Wi-Fi Direct
Dual-band Wi-Fi
GPS
GLONASS
BDS
GALILEO
Bluetooth 5.0
 USB Type-C
USB 2.0
USB OTG
WiFi hotspot
WiFi direct
Dual-band WiFi
GPS
GLONASS
BDS
GALILEO
Bluetooth 5.0
NFC
Connectivity features -
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