Product
Vivo V9
Vivo V9
Vivo S1 (China)
Vivo S1 (China)
Battery
Charging - 18W wired
Type Li-Ion 3260 mAh, non-removable 3940 mAh, non-removable
Body
Build 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 x 76 x 8.5 mm (6.38 x 2.99 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 150 g (5.29 oz) 189.5 g (6.70 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
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
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 (~85.0% 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, March. Released 2018, April 2019, March. Released 2019, April
Status Discontinued Discontinued
Main Camera
Dual 16 MP, f/2.0, PDAF 5 MP, f/2.4, (depth) -
Features Dual-LED flash, HDR, panorama LED flash, HDR, panorama
Triple - 12 MP, f/1.8, 13mm (ultrawide), PDAF 8 MP, f/2.2, (wide) 5 MP, f/2.4, (depth)
Video 4K@30fps, 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC
Internal 64GB 4GB RAM 128GB 4GB RAM, 128GB 6GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Gold, Black, Sapphire Blue Blue, Pink, Ice black
Models 1723 V1831A, V1831T
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, 34, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat7 300/50 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / LTE
  - CDMA 800 & TD-SCDMA
Platform
Chipset Qualcomm MSM8953-Pro Snapdragon 626 (14 nm) Mediatek MT6771 Helio P70 (12 nm)
CPU Octa-core 2.2 GHz Cortex-A53 Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU Adreno 506 Mali-G72 MP3
OS Android 8.1 (Oreo), Funtouch 4 Android 9.0 (Pie), Funtouch 9
Selfie camera
Features - HDR
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm Motorized pop-up 25 MP, f/2.0
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes