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Samsung Galaxy A91 vs Samsung Galaxy Ace Duos
Samsung Galaxy A91
vs
Samsung Galaxy Ace Duo
comparison
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Samsung Galaxy A91
Samsung Galaxy Ace Duos
key specs
Display
6.70-inch
3.50-inch
Processor
Qualcomm Snapdragon 855
832 MHz one-core
Front Camera
32-megapixel
No
Rear Camera
48-megapixel + 8-megapixel + 5-megapixel
5-megapixel
RAM
8GB
512MB
Storage
128GB
3GB
Battery Capacity
4500mAh
1300mAh
OS
Android 10
Android 2.3
Resolution
1080x2400 pixels
320x480 pixels
general
Brand
Samsung
Samsung
Model
Galaxy A91
Galaxy Ace Duos
Launched in India
No
-
Form factor
Touchscreen
Bar
Battery capacity (mAh)
4500
1300
Fast charging
Proprietary
-
Alternate names
-
GT-S6802
Release date
-
June 1, 2012
Dimensions (mm)
-
112.74 x 61.50 x 11.50
Weight (g)
-
122.00
Removable battery
-
Yes
display
Screen size (inches)
6.70
3.50
Touchscreen
Yes
Yes
Resolution
1080x2400 pixels
320x480 pixels
Protection type
Gorilla Glass
-
Pixels per inch (PPI)
-
165
hardware
Processor
octa-core
832 MHz one-core
Processor make
Qualcomm Snapdragon 855
-
RAM
8GB
512MB
Internal storage
128GB
3GB
Expandable storage
Yes
Yes
Expandable storage type
microSD
microSD
Expandable storage up to (GB)
512
32
camera
Rear camera
48-megapixel + 8-megapixel + 5-megapixel
5-megapixel
Rear autofocus
Yes
-
Rear flash
Yes
No
Front camera
32-megapixel (f/2.2)
No
software
Operating system
Android 10
Android 2.3
Skin
One UI
-
connectivity
Wi-Fi
Yes
Yes
Wi-Fi standards supported
802.11 a/b/g/n/ac
802.11 b/g/n
GPS
Yes
Yes
Bluetooth
Yes, v 5.00
Yes, v 3.00
USB Type-C
Yes
-
Number of SIMs
2
2
NFC
-
No
Infrared
-
No
USB OTG
-
No
Headphones
-
3.5mm
FM
-
Yes
Wi-Fi Direct
-
No
Mobile High-Definition Link (MHL)
-
No
sim 1
SIM Type
Nano-SIM
Regular
GSM/CDMA
GSM
GSM
3G
Yes
Yes
4G/ LTE
Yes
No
sim 2
SIM Type
Nano-SIM
Regular
GSM/CDMA
GSM
GSM
3G
Yes
No
4G/ LTE
Yes
No
sensors
Face unlock
Yes
-
Fingerprint sensor
Yes
-
Compass/ Magnetometer
Yes
No
Proximity sensor
Yes
No
Accelerometer
Yes
Yes
Ambient light sensor
Yes
No
Gyroscope
Yes
No
Barometer
-
No
Temperature sensor
-
No
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