Phone Comparison - Samsung Galaxy A51 vs Samsung Galaxy A21

Samsung Galaxy A51
samsung galaxy a51
Samsung Galaxy A21
samsung galaxy a21
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Price Comparison (India) -

general General Info

Manufacturer Samsung Samsung
Announced December 2019 2020, April 8
Status Coming Soon - December 12, 2019 Coming soon. Exp. release 2020, April
Price Rs. 23,999 ($0.00) [Similarly Priced] -
Colors Prism Crush White, Black, Pink, Blue Various
Form Factor Candybar Candybar
Dimension 158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
-
Weight 172 g (6.07 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)
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 only)
3G Network HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 1700(AWS) / 1900 / 2100
4G Network LTE (unspecified) LTE
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor
Glass front, plastic back, plastic frame

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10.0
User Interface One UI One UI 2.0
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) [Similar] Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) [Similar]
GPU Mali-G72 MP3 [Similar] PowerVR GE8320 [Similar]
RAM 8 GB [Browse Similar] 3 GB [Browse Similar]
Internal Memory 128 GB 64 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot)

display Display

Type Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen HD+ Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors
Size 6.5 inches [Similar] 6.5 inches [Similar]
Resolution 1080 x 2340 pixels (396 ppi) 720 x 1600 pixels (270 ppi)
Screen-to-Body Ratio 89.06% -
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 12 MP + 5 MP + 5 MP [Similar] 16 MP + 8 MP + 2 MP + 2 MP [Similar]
Flash LED Flash No
Features 48 MP, f/1.8, (wide), 1/2", 0.8┬Ám, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
16 MP, f/1.9, 28mm (wide), AF
8 MP, f/2.2, 12mm (ultrawide)
2 MP, (macro)
2 MP, (depth)
panorama, HDR
Video 2160p@30fps, 1080p@30fps 1080p@30fps
Front Camera 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
13 MP
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 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
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS
Browser Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 64 GB, 3 GB RAM eMMC 5.1
Expandable Storage microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported

Apps Sensors

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

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 4000 mAh 4000 mAh
Stand by - -
Talk Time - -