Product
Infinix Zero X
Infinix Zero X
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 45W wired, 40% in 15 min 90W wired, 50% in 19 min 6W reverse wired
Type 4500 mAh Li-Ion 5500 mAh
Body
Build Glass front, glass back, plastic frame Glass front, plastic back, plastic frame
Dimensions 164.1 x 75.7 x 7.8 mm (6.46 x 2.98 x 0.31 in) 163.8 x 75.0 x 7.5 or 7.7 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 193 g (6.81 oz) 182 g (6.42 oz)
  - IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth Yes 5.4, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS GPS, GLONASS, GALILEO, BDS, QZSS
Radio FM radio No
USB USB Type-C 2.0, OTG USB Type-C 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
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.67 inches, 107.4 cm2 (~86.5% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type AMOLED, 120Hz, 700 nits (peak) AMOLED, 120Hz, HDR, 1300 nits (HBM), 4500 nits (peak)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
  - Circle to Search
Launch
Announced 2021, September 13 2025, June 20
Status Available. Released 2021, September 17 Available. Released 2025, June 27
Main Camera
Dual - 50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF 2 MP, f/2.4, (depth)
Features Quad-LED flash, HDR, panorama Ring-LED flash, panorama, HDR
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 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) No
Internal 128GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.2 UFS 3.1
Misc
Colors Nebula Black, Starry Silver Fest Gold, Freestyle White, Nebula Purple
SAR - 0.90 W/kg (head)    
SAR EU - 0.85 W/kg (head)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 1, 3, 5, 8, 28, 38, 40, 41
5G bands - 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Mediatek MT6785V/CD Helio G95 (12 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Mali-G76 MC4 Mali-G615 MC2
OS Android 11, XOS 7.6 Android 15, Funtouch 15
Selfie camera
Features Dual-LED flash -
Single 16 MP, (wide) 32 MP, f/2.5, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with dual speakers Yes, with stereo speakers
  - 24-bit/192kHz Hi-Res & Hi-Res wireless audio