Product
Infinix Zero X
Infinix Zero X
Vivo X9s
Vivo X9s
Battery
Charging 45W wired, 40% in 15 min 10W wired
Type 4500 mAh Li-Ion 3320 mAh, non-removable
Body
Build Glass front, glass back, plastic frame -
Dimensions 164.1 x 75.7 x 7.8 mm (6.46 x 2.98 x 0.31 in) 152.6 x 74 x 7 mm (6.01 x 2.91 x 0.28 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 193 g (6.81 oz) 154 g (5.43 oz)
Comms
Bluetooth Yes 4.2, A2DP, LE
NFC No No
Positioning GPS GPS
Radio FM radio No
USB USB Type-C 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.67 inches, 107.4 cm2 (~86.5% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~73.8% screen-to-body ratio)
Type AMOLED, 120Hz, 700 nits (peak) AMOLED
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, proximity, compass
Launch
Announced 2021, September 13 2017, July. Released 2017, July
Status Available. Released 2021, September 17 Discontinued
Main Camera
Features Quad-LED flash, HDR, panorama LED flash, HDR, panorama
Single - 16 MP, 1/2.8", PDAF
Triple 64 MP, f/1.9, (wide), PDAF, OIS 8 MP, f/3.4, 125mm (periscope telephoto), PDAF, 5x optical zoom, OIS 8 MP, f/2.3, 13mm, 120˚ (ultrawide), 1/4.0", 1.12µm, AF -
Video 4K@30fps, 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 128GB 8GB RAM 64GB 4GB RAM
  UFS 2.2 eMMC 5.1
Misc
Colors Nebula Black, Starry Silver Gold, Rose Gold, Black
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 1, 3, 4, 5, 8, 38, 39, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / EVDO / LTE
  - CDMA2000 1xEV-DO & TD-SCDMA
Platform
Chipset Mediatek MT6785V/CD Helio G95 (12 nm) Qualcomm MSM8976 Snapdragon 652 (28 nm)
CPU Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (4x1.8 GHz Cortex-A72 & 4x1.2 GHz Cortex A53)
GPU Mali-G76 MC4 Adreno 510
OS Android 11, XOS 7.6 Android 7.1 (Nougat), upgradable to Android 8.0 (Oreo), Funtouch 3.1
Selfie camera
Dual - 20 MP, f/2.0, (wide), 1/2.8", 1.0µm 5 MP, depth sensor
Features Dual-LED flash LED flash
Single 16 MP, (wide) -
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with dual speakers Yes
  - 32-bit/192kHz audio