Product
Vivo S18
Vivo S18
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 80W wired, PD Reverse wired 90W wired, 50% in 19 min 6W reverse wired
Type 5000 mAh Li-Ion 5500 mAh
Body
Build Glass front, plastic frame Glass front, plastic back, plastic frame
Dimensions 164.4 x 75.1 x 7.5 mm (6.47 x 2.96 x 0.30 in) 163.8 x 75.0 x 7.5 or 7.7 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 185.8 g (6.56 oz) 182 g (6.42 oz)
  IP54 dust protected and water resistant (water splashes) IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless 5.4, A2DP, LE
Infrared port - Yes
NFC Yes No
Positioning GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c) GPS, GLONASS, GALILEO, BDS, QZSS
Radio No No
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 1260 x 2800 pixels, 20:9 ratio (~453 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.78 inches, 111.0 cm2 (~89.9% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type AMOLED, 1B colors, 120Hz, 2800 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 2023, December 14 2025, June 20
Status Available. Released 2023, December 22 Available. Released 2025, June 27
Main Camera
Dual 50 MP, f/1.9, (wide), PDAF, OIS 8 MP, f/2.2, (ultrawide) 50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF 2 MP, f/2.4, (depth)
Features Ring-LED flash, panorama, HDR Ring-LED flash, panorama, HDR
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot No No
Internal 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.2 UFS 3.1
Misc
Colors Black, Blue/Green, Silver, Purple Fest Gold, Freestyle White, Nebula Purple
Models V2323A -
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, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41 1, 3, 5, 8, 28, 38, 40, 41
5G bands 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA2000 1x -
Platform
Chipset Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8GHz Cortex-A510) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 720 Mali-G615 MC2
OS Android 14, OriginOS 4 Android 15, Funtouch 15
Selfie camera
Features Dual-LED flash, HDR -
Single 50 MP, f/2.0, 22mm (wide), AF 32 MP, f/2.5, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio Snapdragon Sound 24-bit/192kHz Hi-Res & Hi-Res wireless audio