Product
Vivo Z3i
Vivo Z3i
Vivo X30
Vivo X30
Battery
Charging 18W wired 33W wired
Type 3315 mAh, non-removable 4350 mAh, non-removable
Body
Build - Glass front, glass back, aluminum frame
Dimensions 156 x 75.6 x 8.1 mm (6.14 x 2.98 x 0.32 in) 158.5 x 74.1 x 8.8 mm (6.24 x 2.92 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 164 g (5.78 oz) 196.5 g (6.95 oz)
Comms
Bluetooth 4.2, A2DP, EDR, LE, aptX 5.0, A2DP, LE
NFC No Yes
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio FM radio
USB microUSB 2.0, OTG USB Type-C, 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 2280 pixels, 19:9 ratio (~400 ppi density) 1080 x 2400 pixels, 20:9 ratio (~409 ppi density)
Size 6.3 inches, 99.1 cm2 (~84.0% screen-to-body ratio) 6.44 inches, 100.1 cm2 (~85.3% screen-to-body ratio)
Type IPS LCD Super AMOLED, HDR, 800 nits (typ)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2018, October. Released 2018, October 2019, December. Released 2019, December
Status Discontinued Discontinued
Main Camera
Dual 16 MP, f/2.0, PDAF 2 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama Laser AF, LED flash, HDR, panorama
Quad - 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS 32 MP, f/2.0, 50mm (telephoto), 1/2.8", 0.8µm, PDAF, OIS, 2x optical zoom 8 MP, f/2.2, 16mm (ultrawide), 1/4.0", 1.12µm
Video 1080p@30fps 4K@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 128GB 6GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Aurora blue, Millenium Pink Black, Peach, Light Blue, Rainbow Shadow
Models - V1938CT
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41
5G bands - 41, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE, 5G (3.6+ Gbps DL)
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / LTE / 5G
  CDMA 800 / 1900 & TD-SCDMA CDMA 800 & TD-SCDMA
Platform
Chipset Mediatek MT6771 Helio P60 (12 nm) Exynos 980 (8 nm)
CPU Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
GPU Mali-G72 MP3 Mali-G76 MP5
OS Android 8.1 (Oreo) Android 9.0 (Pie), Funtouch 10.0
Selfie camera
Features HDR HDR
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm 32 MP, f/2.4, 26mm (wide), 1/2.8", 0.8µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes