Redmi 9 ActivvsOppo A91 comparison

Show Only Differences Highlight Differences	Redmi 9 Activ	Oppo A91
key specs
Display	6.53-inch	6.40-inch
Processor	MediaTek Helio G35	octa-core
Front Camera	5-megapixel	Yes
Rear Camera	13-megapixel + 2-megapixel	48-megapixel + 8-megapixel
RAM	4GB	8GB
Storage	64GB	128GB
Battery Capacity	5000mAh	4000mAh
OS	Android 10	Android 9
Resolution	720x1600 pixels	1080x2400 pixels
general
Brand	Xiaomi	Oppo
Model	Redmi 9 Activ	A91
Release date	September 24, 2021	December 20, 2019
Launched in India	No	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	164.90 x 77.07 x 9.00	-
Weight (g)	194.00	-
Battery capacity (mAh)	5000	4000
Fast charging	Proprietary	VOOC
Colours	Carbon Black, Coral Green, Metallic Purple	Black, Blue, Red
Removable battery	-	No
display
Screen size (inches)	6.53	6.40
Touchscreen	Yes	Yes
Resolution	720x1600 pixels	1080x2400 pixels
Aspect ratio	20:9	-
Protection type	-	Gorilla Glass
hardware
Processor	octa-core	octa-core
Processor make	MediaTek Helio G35	-
RAM	4GB	8GB
Internal storage	64GB	128GB
Expandable storage	Yes	-
Expandable storage type	microSD	-
Expandable storage up to (GB)	512	-
Dedicated microSD slot	Yes	-
camera
Rear camera	13-megapixel (f/2.2) + 2-megapixel (f/2.4)	48-megapixel + 8-megapixel
Rear autofocus	Yes	Yes
Rear flash	Yes	Yes
Front camera	5-megapixel (f/2.2, 1.12-micron)	Yes
No. of Front Cameras	1	-
Front flash	-	No
software
Operating system	Android 10	Android 9
Skin	MIUI 12	ColorOS
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 a/b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes
Infrared	Yes	-
USB Type-C	Yes	-
Headphones	3.5mm	-
FM	Yes	-
Number of SIMs	2	-
Active 4G on both SIM cards	-	Yes
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Compass/ Magnetometer	-	Yes

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