Samsung Galaxy A51 5G vs Samsung Galaxy A21s vs Samsung Galaxy A52 4G

General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
April 2020	Expected Announcement - May 2020	2021, March 17
Status
Coming Soon - April 2020	Rumored	Coming soon. Exp. release 2021, March 26
Colors
Prism Cube Black, Prism Cube White, Prism Cube Pink	Black, White, Blue	Awesome Black, Awesome White, Awesome Violet, Awesome Blue
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)	159.9 x 75.1 x 8.4 mm (6.3 x 2.96 x 0.33 in)
Weight
187 g (6.6 oz)	191 g (6.74 oz)	189 g (6.67 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), Hybrid 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 model only)
3G Network
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 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 (under display, optical) IP67

OS
Android 10.0	Android 10.0	Android 11
User Interface
One UI 2.0	One UI 2.0	One UI 3.0
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 (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm)
GPU
Mali-G76 MP5	-	Adreno 618
RAM
8 GB	3 GB	8 GB
Internal Memory
128 GB	64 GB	256 GB
External Memory
microSDXC (dedicated slot)	microSDXC	microSDXC

Type
Super AMOLED Capacitive Touchscreen Corning Gorilla Glass 3	PLS TFT Capacitive Touchscreen	FHD+ Super AMOLED Screen 90Hz Refresh Rate 800 nits (peak) Corning Gorilla Glass 5
Colors
16M colors	16M colors	16M Colour
Size
6.5 inches	6.55 inches	6.5 inches
Resolution
1080 x 2400 pixels (405 ppi)	720 x 1600 pixels (268 ppi)	1080 x 2400 pixels (405 ppi)
Screen-to-Body Ratio
87.17%	-	84.90%
Multi-Touch

Rear Camera
48 MP + 12 MP + 5 MP + 5 MP	48 MP + 8 MP + 2 MP	64 MP + 8 MP + 5 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	64 MP, f/1.8, 26mm (wide), PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.2, (depth) panorama, HDR
Video
2160p@30fps, 1080p@30/120fps; gyro-EIS	1080p@30fps	4K@30fps, 1080p@30/120fps; gyro-EIS
Front Camera
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm HDR 1080p@30fps	13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps	32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm HDR 4K@30fps, 1080p@30fps

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	5.0, A2DP, LE
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	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go	Yes	USB Type-C 2.0, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS	Yes, with A-GPS	Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser
Yes	Yes	Yes

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	256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM
Expandable Storage
microSDXC (dedicated slot)	microSDXC	microSDXC
USB OTG
Supported	Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery Fast battery charging 15W	Non-removable Li-Po Battery Battery Charging 10W	Non-removable Li-Po Battery Fast charging 25W, 50% in 30 min (advertised)
Capacity
4500 mAh	5000 mAh	4500 mAh
Stand by
-	-	-
Talk Time
-	-	-