Compare Oppo Reno Z vs. Vivo Y91

	Oppo Reno Z	Vivo Y91
Specifications
Brand	Oppo	Vivo
Model	-	-
Release Date	June 2019	November 2018
Operating System	ColorOS (Android 9.0)	Android 8.1
Dimensions
Size	157.3 x 74.9 x 9.1 mm 6.19 x 2.95 x 0.36 in	155.1 x 75.1 x 8.3 mm 6.11 x 2.96 x 0.33 in
Weight	186 g 6.56 oz	164 g 5.77 oz
Screen
Size	6.4 inches	6.22 inches
Resolution	1,080 x 2,340 pixels	720 x 1,520 pixels
PPI	402	270
Features	OLED	-
Cameras
Rear	Dual camera 48 MP f/1.7 Wide 5 MP f/2.4 Depth	Dual camera 13 MP f/2.2 2 MP f/2.4 Depth
Front	32 MP f/2.0 Wide	8 MP f/1.8
Storage
Memory	4 GB 6 GB 8 GB	2 GB 3 GB
Fixed	128 GB 256 GB	16 GB 32 GB
Removable	-	microSDXC
Processor
Chip	MediaTek Helio P90 Octa-core processor 12 nm	Qualcomm Snapdragon 439 SDM439 Octa-core processor 12 nm
CPU	2x 2.20 GHz Cortex-A75 6x 2.00 GHz Cortex-A55	4x 1.95 GHz Cortex-A53 4x 1.45 GHz Cortex-A53
GPU	PowerVR GM9446	Adreno 505
Battery
Capacity	4,035 mAh	4,030 mAh
Features	Fast charging 20W	-
Removable
Connectivity
5G
NFC
3.5 mm Audio Jack
Micro USB
USB Type-C
Lightning

Oppo Reno Z	Vivo Y91

Released in June 2019. Features 6.4 inches screen with a resolution of 1,080 x 2,340 pixels and 402 ppi. Octa-core processor MediaTek Helio P90 with up to 8 GB memory and 256 GB storage. It has 4,035 mAh battery.	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.
Head to Head
Slightly larger screen (3%) Much better quality screen (33%) OLED screen Probably better rear camera More memory More storage Much more processing power (15%) Fast charging battery It has NFC	Lighter (14%) Thinner (10%) Probably better front camera

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