Phone Comparison - Samsung Galaxy A51 5G vs Samsung Galaxy A21s vs Samsung Galaxy A22

general General Info

Manufacturer Samsung Samsung Samsung
Announced April 2020 Expected Announcement - May 2020 June 2021
Status Coming Soon - April 2020 Rumored Coming Soon - June 2021
Colors Prism Cube Black, Prism Cube White, Prism Cube Pink Black, White, Blue Black, White, Mint, Violet
Form Factor Candybar Candybar Candybar
Dimension 158.9 x 73.6 x 8.7 mm
(6.26 x 2.9 x 0.34 in)
8.9 mm thickness
(0.35 in thickness)
159.3 x 73.6 x 8.4 mm
(6.27 x 2.9 x 0.33 in)
Weight 187 g (6.6 oz) 191 g (6.74 oz) 186 g (6.56 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)
3G Network HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) LTE LTE
5G Network 5G SA/NSA - -
Messaging
Build Features - Fingerprint Sensor (under display, optical)
- Fingerprint Sensor
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 11,
User Interface One UI 2.0 One UI 2.0 One UI Core 3.1
Processor Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55), Exynos 980 (8 nm) Octa-core 2.0 GHz, Exynos 850 Octa-core (2x2.0 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55), MediaTek Helio G80 12nm
GPU Mali-G76 MP5 - Mali-G52 2EEMC2
RAM 8 GB 3 GB 6 GB
Internal Memory 128 GB 64 GB 128 GB
External Memory microSDXC (dedicated slot) microSDXC Unspecified

display Display

Type Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 3
PLS TFT Capacitive Touchscreen HD+ Super AMOLED Screen
90Hz Refresh Rate
Colors 16M colors 16M colors 16M Colour
Size 6.5 inches 6.55 inches 6.4 inches
Resolution 1080 x 2400 pixels (405 ppi) 720 x 1600 pixels (268 ppi) 720 x 1600 pixels (274 ppi)
Screen-to-Body Ratio 87.17% - 84.44%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio - Unspecified
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 48 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 2 MP 48 MP + 8 MP + 2 MP + 2 MP
Flash LED flash LED Flash LED Flash
Features 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 12mm (ultrawide)
5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
HDR, panorama
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
Panorama, HDR
48 MP, f/1.8, (wide), PDAF, OIS
8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
panorama, HDR
Video 2160p@30fps, 1080p@30/120fps; gyro-EIS 1080p@30fps 1080p@30fps
Front Camera 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
13 MP, f/2.2, (wide)
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Yes
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go Yes USB Type-C 2.0
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS Yes
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.0) 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM
Expandable Storage microSDXC (dedicated slot) microSDXC Unspecified
USB OTG Supported Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor not present magnetic field sensor not present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor present
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Battery Charging 10W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 4500 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -