Compare Oppo Reno Z vs. Samsung Galaxy M31

	Oppo Reno Z	Samsung Galaxy M31
Specifications
Brand	Oppo	Samsung
Model	-	-
Release Date	June 2019	March 2020
Operating System	ColorOS (Android 9.0)	One UI (Android 10)
Dimensions
Size	157.3 x 74.9 x 9.1 mm 6.19 x 2.95 x 0.36 in	159.2 x 75.1 x 8.9 mm 6.27 x 2.96 x 0.35 in
Weight	186 g 6.56 oz	191 g 6.74 oz
Screen
Size	6.4 inches	6.4 inches
Resolution	1,080 x 2,340 pixels	1,080 x 2,340 pixels
PPI	402	403
Features	OLED	OLED
Cameras
Rear	Dual camera 48 MP f/1.7 Wide 5 MP f/2.4 Depth	Quad camera 64 MP f/1.8 Wide 8 MP f/2.2 Ultra Wide 5 MP f/2.4 Macro 5 MP f/2.4 Depth
Front	32 MP f/2.0 Wide	32 MP f/2.0 Wide
Storage
Memory	4 GB 6 GB 8 GB	6 GB 8 GB
Fixed	128 GB 256 GB	64 GB 128 GB
Removable	-	microSDXC
Processor
Chip	MediaTek Helio P90 Octa-core processor 12 nm	Samsung Exynos 9611 Octa-core processor 10 nm
CPU	2x 2.20 GHz Cortex-A75 6x 2.00 GHz Cortex-A55	4x 2.30 GHz Cortex-A73 4x 1.70 GHz Cortex-A53
GPU	PowerVR GM9446	Mali-G72 MP3
Battery
Capacity	4,035 mAh	6,000 mAh
Features	Fast charging 20W	Fast charging 15W
Removable
Connectivity
5G
NFC
3.5 mm Audio Jack
Micro USB
USB Type-C
Lightning

Oppo Reno Z	Samsung Galaxy M31

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 March 2020. Features 6.4 inches screen with a resolution of 1,080 x 2,340 pixels and 403 ppi. Octa-core processor Samsung Exynos 9611 with up to 8 GB memory and 128 GB storage. It has 6,000 mAh battery.
Head to Head
Probably better rear camera May have more storage Battery with better fast charging (25%)	Probably more versatile rear camera Much better battery capacity (33%)

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