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	Compare with vivo Y91	Compare with Oppo A5s (AX5s)
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vivo Y91

Oppo A5s (AX5s)

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 2100
4G Network	1, 3, 5, 40, 41	1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed	HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps

Launch
Announced	2018, November	2019, March 18
Status	Available. Released 2018, November	Available. Released 2019, April

Body
Dimensions	155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)	155.9 x 75.4 x 8.2 mm (6.14 x 2.97 x 0.32 in)
Weight	163.5 g (5.78 oz)	170 g (6.00 oz)
Build	Glass front, plastic back, plastic frame	Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM

Display
Type	IPS LCD	S-IPS LCD
Size	6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio)	6.2 inches, 95.9 cm2 (~81.6% screen-to-body ratio)
Resolution	720 x 1520 pixels, 19:9 ratio (~270 ppi density)	720 x 1520 pixels, 19:9 ratio (~271 ppi density)
Protection		Corning Gorilla Glass 3

Platform
OS	Android 8.1 (Oreo), Funtouch 4.5	Android 8.1 (Oreo), ColorOS 5.2
Chipset	Qualcomm SDM439 Snapdragon 439 (12 nm)	Mediatek MT6765 Helio P35 (12 nm)
CPU	Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU	Adreno 505	PowerVR GE8320

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM	32GB 2GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
	eMMC 5.1	eMMC 5.1

Main Camera
Modules	13 MP, f/2.2, PDAF 2 MP, f/2.4, (depth)	13 MP, f/2.2, AF 2 MP, f/2.4, (depth)
Features	LED flash, panorama	LED flash, HDR, panorama
Video	1080p@30fps	1080p@30fps

Selfie Camera
Modules	8 MP, f/1.8	8 MP, f/2.0
Features		HDR
Video	1080p@30fps	1080p@30fps

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

Comms
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct	Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth	4.2, A2DP, LE	4.2, A2DP, LE
Positioning	GPS, GLONASS, BDS	GPS, GLONASS, GALILEO, BDS
NFC	No	No
Infrared port	No	No
Radio	FM radio	FM radio
USB	microUSB 2.0, OTG	microUSB 2.0, OTG

Features
Sensors	Fingerprint (rear-mounted), accelerometer, proximity, compass	Fingerprint (rear-mounted), accelerometer, proximity, compass

Battery
Type	4030 mAh, non-removable	Li-Ion 4230 mAh, non-removable

Misc
Colors	Starry Black, Ocean Blue	Red, Black, Gold, Green
SAR	1.28 W/kg (head)     0.61 W/kg (body)
Models	1816, 1817, 1820, 1811, PD1818BF_EX	CPH1909, CPH1920, CPH1912
Price	About 200 EUR