Product
Vivo V9 Youth
Vivo V9 Youth
Vivo Y15
Vivo Y15
Battery
Type Li-Ion 3260 mAh, non-removable 5000 mAh, non-removable
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 154.8 x 75.1 x 7.9 mm (6.09 x 2.96 x 0.31 in) 159.4 x 76.8 x 8.9 mm (6.28 x 3.02 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 150 g (5.29 oz) 190.5 g (6.74 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio, recording FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 -
Resolution 1080 x 2280 pixels, 19:9 ratio (~400 ppi density) 720 x 1544 pixels, 19.3:9 ratio (~268 ppi density)
Size 6.3 inches, 99.1 cm2 (~85.2% screen-to-body ratio) 6.35 inches, 99.6 cm2 (~81.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Launch
Announced 2018, April. Released 2018, April 2019, May 28. Released 2019, May
Status Discontinued Discontinued
Main Camera
Dual 16 MP, PDAF 2 MP, (depth) or 13 MP, PDAF 2 MP, (depth) (China only) -
Features Dual-LED flash, HDR, panorama LED flash, HDR, panorama
Triple - 13 MP, f/2.2, PDAF 8 MP, f/2.2, 16mm (ultrawide) 2 MP, f/2.4, (depth)
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 32GB 4GB RAM, 64GB 4GB RAM 64GB 4GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Champagne Gold, Pearl Black, Red Aqua Blue, Burgundy Red
Models 1727, 1726 -
SAR - 1.01 W/kg (head)     0.75 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 1, 3, 5, 8, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Qualcomm SDM450 Snapdragon 450 (14 nm) Mediatek MT6762 Helio P22 (12 nm)
CPU Octa-core 1.8 GHz Cortex-A53 Octa-core 2.0 GHz Cortex-A53
GPU Adreno 506 PowerVR GE8320
OS Android 8.1 (Oreo), Funtouch 4 Android 9.0 (Pie), Funtouch 9
Selfie camera
Single 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes