Product
Vivo X20
Vivo X20
Vivo X30
Vivo X30
Battery
Charging - 33W wired
Type Li-Ion 3250 mAh, non-removable 4350 mAh, non-removable
Body
Build Glass front, aluminum back, aluminum frame Glass front, glass back, aluminum frame
Dimensions 155.9 x 75.2 x 7.2 mm (6.14 x 2.96 x 0.28 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 159 g (5.61 oz) 196.5 g (6.95 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC No Yes
Positioning GPS GPS, GLONASS, GALILEO, BDS
Radio No 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 2160 pixels, 18:9 ratio (~402 ppi density) 1080 x 2400 pixels, 20:9 ratio (~409 ppi density)
Size 6.01 inches, 93.2 cm2 (~79.5% screen-to-body ratio) 6.44 inches, 100.1 cm2 (~85.3% screen-to-body ratio)
Type Super AMOLED 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 2017, September. Released 2017, October 2019, December. Released 2019, December
Status Discontinued Discontinued
Main Camera
Dual 12 MP, f/1.8, AF 5 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 (uses shared SIM slot) No
Internal 64GB 4GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Matte Black, Black/Gold, Gold, Rose gold, Blue, Pink Black, Peach, Light Blue, Rainbow Shadow
Models X20A, 1721 V1938CT
Network
2G bands GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 5, 7, 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 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE, 5G (3.6+ Gbps DL)
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / LTE / 5G
  1, 2, 3, 4, 5, 8, - X20A CDMA 800 & TD-SCDMA
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Exynos 980 (8 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
GPU Adreno 512 Mali-G76 MP5
OS Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo), Funtouch 3.2 Android 9.0 (Pie), Funtouch 10.0
Selfie camera
Features - HDR
Single 12 MP, f/2.0, (wide), 1/2.8", 1.28µm 32 MP, f/2.4, 26mm (wide), 1/2.8", 0.8µm
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  32-bit/192kHz audio -