Product
Vivo Z3i
Vivo Z3i
Vivo X27
Vivo X27
Battery
Charging 18W wired 18W wired
Type 3315 mAh, non-removable 4000 mAh, non-removable
Body
Dimensions 156 x 75.6 x 8.1 mm (6.14 x 2.98 x 0.32 in) 157.7 x 74.3 x 9 mm (6.21 x 2.93 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 164 g (5.78 oz) 188 g (6.63 oz)
Comms
Bluetooth 4.2, A2DP, EDR, LE, aptX 5.0, A2DP, LE, EDR, aptX
NFC No Yes (market dependent)
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio FM radio
USB microUSB 2.0, OTG USB Type-C 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 (~400 ppi density)
Size 6.3 inches, 99.1 cm2 (~84.0% screen-to-body ratio) 6.39 inches, 101.7 cm2 (~86.8% screen-to-body ratio)
Type IPS LCD Super AMOLED
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, March. Released 2019, March
Status Discontinued Discontinued
Main Camera
Dual 16 MP, f/2.0, PDAF 2 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama LED flash, HDR, panorama
Triple - 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 13 MP, 13mm (ultrawide) 5 MP, f/2.4, (depth)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 128GB 6GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  eMMC 5.1 -
Misc
Colors Aurora blue, Millenium Pink Blue, Gold, Symphony Summer
Models - V1829T/A, V1829A, V1838A, V1829T
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, 8, 34, 38, 39, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/50 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / LTE
  CDMA 800 / 1900 & TD-SCDMA CDMA 800 & TD-SCDMA
Platform
Chipset Mediatek MT6771 Helio P60 (12 nm) Qualcomm SDM710 Snapdragon 710 (10 nm)
CPU Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU Mali-G72 MP3 Adreno 616
OS Android 8.1 (Oreo) Android 9.0 (Pie), Funtouch 9
Selfie camera
Features HDR HDR
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm Motorized pop-up 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