Compare Vivo Y91 vs. Vivo Y21s

	Vivo Y91	Vivo Y21s
Specifications
Brand	Vivo	Vivo
Model	-	-
Release Date	November 2018	September 2021
Operating System	Android 8.1	Android 11
Dimensions
Size	155.1 x 75.1 x 8.3 mm 6.11 x 2.96 x 0.33 in	164.3 x 76.1 x 8.0 mm 6.47 x 3.00 x 0.31 in
Weight	164 g 5.77 oz	182 g 6.42 oz
Screen
Size	6.22 inches	6.51 inches
Resolution	720 x 1,520 pixels	720 x 1,600 pixels
PPI	270	270
Features	-	-
Cameras
Rear	Dual camera 13 MP f/2.2 2 MP f/2.4 Depth	Triple camera 50 MP f/1.8 Wide 2 MP f/2.4 Macro 2 MP f/2.4 Depth
Front	8 MP f/1.8	8 MP f/2.0 Wide
Storage
Memory	2 GB 3 GB	4 GB 6 GB
Fixed	16 GB 32 GB	128 GB
Removable	microSDXC	microSDXC
Processor
Chip	Qualcomm Snapdragon 439 SDM439 Octa-core processor 12 nm	MediaTek Helio G80 Octa-core processor 12 nm
CPU	4x 1.95 GHz Cortex-A53 4x 1.45 GHz Cortex-A53	2x 2.00 GHz Cortex-A75 6x 1.80 GHz Cortex-A55
GPU	Adreno 505	Mali-G52 MC2
Battery
Capacity	4,030 mAh	5,000 mAh
Features	-	Fast charging 18W
Removable
Connectivity
5G
NFC
3.5 mm Audio Jack
Micro USB
USB Type-C
Lightning

Vivo Y91	Vivo Y21s

Released in November 2018. Features 6.22 inches screen with a resolution of 720 x 1,520 pixels and 270 ppi. Octa-core processor Qualcomm Snapdragon 439 SDM439 with up to 3 GB memory and 32 GB storage. It has 4,030 mAh battery.	Released in September 2021. Features 6.51 inches screen with a resolution of 720 x 1,600 pixels and 270 ppi. Octa-core processor MediaTek Helio G80 with up to 6 GB memory and 128 GB storage. It has 5,000 mAh battery.
Head to Head
Lighter (11%) Probably better front camera	Slightly larger screen (4%) Probably more versatile rear camera Probably better rear camera More memory More storage More processing power (6%) Much better battery capacity (19%) Fast charging battery It has NFC

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