Phone Comparison - Samsung Galaxy A91 vs Samsung Galaxy A71 vs Samsung Galaxy A21

general General Info

Manufacturer Samsung Samsung Samsung
Announced Not announced yet December 2019 2020, April 8
Status Rumored Available. Released 2020, January Coming soon. Exp. release 2020, April
Price - Rs. 29,999 ($0.00) [Similarly Priced] -
Colors White, Black Prism Crush White, Black, Pink, Blue Various
Form Factor Candybar Candybar Candybar
Dimension - 163.6 x 76.0 x 7.7 mm
(6.44 x 2.99 x 0.3 in)
-
Weight - 179 g (6.31 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 / 1700(AWS) / 1900 / 2100 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 band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) LTE
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor(In-display)
- Fingerprint Sensor
Glass front, plastic back, plastic frame

hardware Hardware and OS

OS Android 10 Android 10.0 Android 10.0
User Interface One UI One UI 2.0 One UI 2.0
Processor Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485), Qualcomm SDM855 Snapdragon 855 (7 nm) Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm)
GPU Adreno 640 Adreno 618 PowerVR GE8320
RAM 8 GB 8 GB 3 GB
Internal Memory 128 GB 128 GB 64 GB
External Memory microSD, up to 512 GB microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen HD+ Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.7 inches 6.7 inches 6.5 inches
Resolution 1080 x 2400 pixels (393 ppi) 1080 x 2400 pixels (393 ppi) 720 x 1600 pixels (270 ppi)
Screen-to-Body Ratio - 87.08% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack no yes yes
Radio - FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 48 MP + 12 MP + 5 MP 64 MP + 12 MP + 5 MP + 5 MP 16 MP + 8 MP + 2 MP + 2 MP
Flash LED Flash LED Flash No
Features 48 MP, f/2.0, 26mm (wide), 1/2", 0.8µm, PDAF, OIS
12 MP, f/2.2, 12mm (ultrawide), 1.12µm
5 MP, f/2.2, depth sensor
Panorama, HDR
64 MP, f/1.8, (wide), 1/2", 0.8µm, 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@30/60fps (gyro-EIS), 720p@960fps 2160p@30fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS 1080p@30fps
Front Camera 32 MP, f/2.2, 25mm (wide), 0.8µm, HDR, 1080p@30fps [Similar] 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 Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
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 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 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, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM 128 GB, 8 GB RAM 64 GB, 3 GB RAM eMMC 5.1
Expandable Storage microSD, up to 512 GB microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported 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 present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 45W
Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 4500 mAh 4000 mAh 4000 mAh
Stand by - - -
Talk Time - - -