Compare Xiaomi Redmi Note 9 5G vs. Vivo V21 5G

	Xiaomi Redmi Note 9 5G	Vivo V21 5G
Specifications
Brand	Xiaomi	Vivo
Model	-	-
Release Date	December 2020	May 2021
Operating System	MIUI (Android 10)	Android 11
Dimensions
Size	162.0 x 77.3 x 9.2 mm 6.38 x 3.04 x 0.36 in	159.7 x 73.9 x 7.3 mm 6.29 x 2.91 x 0.29 in
Weight	199 g 7.02 oz	176 g 6.21 oz
Screen
Size	6.53 inches	6.44 inches
Resolution	1,080 x 2,340 pixels	1,080 x 2,400 pixels
PPI	395	409
Features	-	OLED, 90Hz
Cameras
Rear	Triple camera 48 MP f/1.8 Wide 8 MP f/2.2 Ultra Wide 2 MP f/2.4 Macro	Triple camera 64 MP f/1.8 Wide 8 MP f/2.2 Ultra Wide 2 MP f/2.4 Macro
Front	13 MP f/2.3 Standard	44 MP f/2.0 Wide
Storage
Memory	4 GB 6 GB 8 GB	8 GB
Fixed	64 GB 128 GB 256 GB	128 GB 256 GB
Removable	microSDXC	microSDXC
Processor
Chip	MediaTek Dimensity 800U Octa-core processor 7 nm	MediaTek Dimensity 800U Octa-core processor 7 nm
CPU	2x 2.40 GHz Cortex-A76 6x 2.00 GHz Cortex-A55	2x 2.40 GHz Cortex-A76 6x 2.00 GHz Cortex-A55
GPU	Mali-G57 MC3	Mali-G57 MC3
Battery
Capacity	5,000 mAh	4,000 mAh
Features	Fast charging 18W	Fast charging 33W
Removable
Connectivity
5G
NFC
3.5 mm Audio Jack
Micro USB
USB Type-C
Lightning

Xiaomi Redmi Note 9 5G	Vivo V21 5G

Released in December 2020. Features 6.53 inches screen with a resolution of 1,080 x 2,340 pixels and 395 ppi. Octa-core processor MediaTek Dimensity 800U with up to 8 GB memory and 256 GB storage. It has 5,000 mAh battery.	Released in May 2021. Features 6.44 inches screen with a resolution of 1,080 x 2,400 pixels and 409 ppi. Octa-core processor MediaTek Dimensity 800U with up to 8 GB memory and 256 GB storage. It has 4,000 mAh battery.
Head to Head
Much better battery capacity (20%)	Lighter (13%) Much thinner (26%) Slightly better quality screen (3%) OLED screen Higher screen refresh rate Probably better front camera Battery with better fast charging (45%) It has NFC

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