Product
Vivo V9 Youth
Vivo V9 Youth
Vivo Z1Pro
Vivo Z1Pro
Battery
Charging - 18W wired
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) 162.4 x 77.3 x 8.9 mm (6.39 x 3.04 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 150 g (5.29 oz) 201 g (7.09 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, 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 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 -
Resolution 1080 x 2280 pixels, 19:9 ratio (~400 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
Size 6.3 inches, 99.1 cm2 (~85.2% screen-to-body ratio) 6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2018, April. Released 2018, April 2019, July. Released 2019, July
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 - 16 MP, f/1.8, (wide), 1/2.8", 1.12µm, AF 8 MP, f/2.2, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 32GB 4GB RAM, 64GB 4GB RAM 64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Champagne Gold, Pearl Black, Red Sonic Blue, Sonic Black, Mirror Black
Models 1727, 1726 1951, PD1911F_EX, 1918
SAR - 0.75 W/kg (head)     0.40 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, 4, 5, 8, 34, 38, 39, 40, 41
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / LTE
  - CDMA 800 & TD-SCDMA
Our Tests
Performance - AnTuTu: 184517 (v7) GeekBench: 6001 (v4.4) GFXBench: 13fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SDM450 Snapdragon 450 (14 nm) Qualcomm SDM712 Snapdragon 712 (10 nm)
CPU Octa-core 1.8 GHz Cortex-A53 Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU Adreno 506 Adreno 616
OS Android 8.1 (Oreo), Funtouch 4 Android 9.0 (Pie), upgradable to Android 10, Funtouch 10
Selfie camera
Features - HDR
Single 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video 1080p@30fps 1080p@60fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes