Product
Infinix Smart 4
Infinix Smart 4
Vivo Y19s Pro
Vivo Y19s Pro
Battery
Charging - 44W wired, 40% in 30 minReverse wired
Type 4000 mAh, non-removable Li-Ion 6000 mAh
Body
Build Glass front, plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 167 x 76 x 8.3 mm (6.57 x 2.99 x 0.33 in) 165.8 x 76.1 x 8.1 mm (6.53 x 3.00 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 183 g (6.46 oz) 200 g (7.05 oz)
  - IP64 dust tight and water resistant (water splashes)MIL-STD-810H compliant** does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 5.0, A2DP, LE 5.2, A2DP, LE
NFC No No
Positioning GPS GPS, GLONASS, GALILEO, BDS, QZSS
Radio FM radio FM radio
USB microUSB 2.0 USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~266 ppi density) 720 x 1608 pixels, 20:9 ratio (~264 ppi density)
Size 6.6 inches, 105.2 cm2 (~82.9% screen-to-body ratio) 6.68 inches, 107.4 cm2 (~85.1% screen-to-body ratio)
Type IPS LCD IPS LCD, 90Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2019, October. Released 2019, October 2025, June 10
Status Discontinued Available. Released 2025, June 10
Main Camera
Features Dual-LED flash Ring-LED flash, panorama
Single 8 MP 50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAFAuxiliary lens
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 16GB 1GB RAM, 32GB 2GB RAM 128GB 6GB RAM, 256GB 8GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Midnight Black, Quetzal Cyan, Cosmic Purple Pearl Silver, Glossy Black, Glacier Blue
Models X653, X663 -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Mediatek MT6761 Helio A22 (12 nm) Unisoc Tiger T612 (12 nm)
CPU Quad-core 2.0 GHz Cortex-A53 Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G57
OS Android 9.0 Pie (Go edition) Android 15, Funtouch 15
Selfie camera
Single 5 MP 5 MP, f/2.2
Video 1080p@30fps Yes
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes, with dual speakers