Product
Vivo X20 Plus
Vivo X20 Plus
Vivo iQOO
Vivo iQOO
Battery
Charging 22.5W wired 44W wired, 50% in 15 min, 100% in 45 min 22.5W wired (6/128 GB model)
Type Li-Ion 3900 mAh, non-removable Li-Ion 4000 mAh, non-removable
Body
Build Glass front, aluminum back, aluminum frame -
Dimensions 165.3 x 80.1 x 7.5 mm (6.51 x 3.15 x 0.30 in) 157.7 x 75.2 x 8.5 mm (6.21 x 2.96 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 181.5 g (6.42 oz) 196 g (6.91 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC No Yes
Positioning GPS GPS, GLONASS, GALILEO, BDS
Radio No No
USB microUSB 2.0, OTG USB Type-C
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 (~376 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density)
Size 6.43 inches, 106.7 cm2 (~80.6% screen-to-body ratio) 6.41 inches, 100.9 cm2 (~85.1% screen-to-body ratio)
Type Super AMOLED Super AMOLED
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, March. Released 2019, March
Status Discontinued Discontinued
Main Camera
Dual 12 MP, f/1.8, AF 5 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama LED flash, HDR, panorama
Triple - 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 13 MP, f/2.4, (ultrawide) 2 MP, f/2.4, (depth)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 64GB 4GB RAM 128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Matte Black, Gold, Rose gold Optic Blue, Lava Orange, Samurai Black, Feather White
Models 1720 V1824A, V1824BA
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, 4, 5, 7, 8, 12, 17, 34, 38, 39, 40, 41 1, 2, 3, 4, 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 (7CA) Cat20 2000/150 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / LTE
  1, 2, 3, 4, 5, 8 - X20A Plus 1, 2, 3, 4, 5, 7, 8, 12, 17
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Qualcomm SM8150 Snapdragon 855 (7 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU Adreno 512 Adreno 640
OS Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo), Funtouch 3.2 Android 9.0 (Pie), Funtouch 9
Selfie camera
Features - HDR
Single 12 MP, f/2.0, (wide), 1/2.8", 1.28µm 12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  32-bit/192kHz audio 32-bit/192kHz Hi-Res audio