Product
Vivo S1 Pro
Vivo S1 Pro
Vivo Z5i
Vivo Z5i
Battery
Charging 18W wired 18W wired
Type 4500 mAh, non-removable 5000 mAh, non-removable
Body
Build Glass front, glass back, aluminum frame -
Dimensions 159.3 x 75.2 x 8.7 mm (6.27 x 2.96 x 0.34 in) 162.2 x 76.5 x 8.9 mm (6.39 x 3.01 x 0.35 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 186.7 g (6.60 oz) 193 g (6.81 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE, aptX
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, BDS
Radio FM radio FM radio
USB USB Type-C 2.0, OTG microUSB 2.0, OTG
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 2340 pixels, 19.5:9 ratio (~404 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
Size 6.38 inches, 99.9 cm2 (~83.4% screen-to-body ratio) 6.53 inches, 104.7 cm2 (~84.4% screen-to-body ratio)
Type Super AMOLED IPS LCD
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Launch
Announced 2019, November 19. Released 2019, November 2019, November. Released 2019, November
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, HDR, panorama
Quad 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Triple - 16 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, 13mm (ultrawide) 2 MP, f/2.4, (macro)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM 128GB 8GB RAM
  - UFS 2.1
Misc
Colors Knight Black, Fancy Sky Glazed Black, Jade Blue
Models 1920, PD1945F_EX, 1920_20 -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 28, 38, 40, 41 1, 3, 5, 8, 34, 38, 39, 40, 41
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  - CDMA2000 1xEV-DO
Platform
Chipset Qualcomm SDM665 Snapdragon 665 (11 nm) Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU Adreno 610 Adreno 612
OS Android 9.0 (Pie), Funtouch 9.2 Android 9.0 (Pie), Funtouch 9.2
Selfie camera
Features HDR HDR
Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 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