Product
Vivo iQOO Neo 855
Vivo iQOO Neo 855
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 33W wired 90W wired, 50% in 19 min 6W reverse wired
Type 4500 mAh, non-removable Li-Ion 5500 mAh
Body
Build Glass front, glass back, aluminum frame Glass front, plastic back, plastic frame
Dimensions 159.5 x 75.2 x 8.1 mm (6.28 x 2.96 x 0.32 in) 163.8 x 75.0 x 7.5 or 7.7 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 198.5 g (7.02 oz) 182 g (6.42 oz)
  - IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.0, A2DP, LE, aptX 5.4, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS, GLONASS, BDS, GALILEO GPS, GLONASS, GALILEO, BDS, QZSS
Radio No No
USB USB Type-C, OTG USB Type-C 2.0, OTG
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
Display
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.38 inches, 99.9 cm2 (~83.3% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type Super AMOLED, HDR10 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 2019, October. Released 2019, October 2025, June 20
Status Discontinued 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 LED flash, HDR, panorama Ring-LED flash, panorama, HDR
Triple 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 8 MP, f/2.2, (wide) 2 MP, f/2.4, (depth) -
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot No No
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  64GB 6GB RAM (UFS 2.1), all others (UFS 3.0) UFS 3.1
Misc
Colors Purple, Aurora White, Black Fest Gold, Freestyle White, Nebula Purple
Models V1936A, V1936T -
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) / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 4, 5, 8, 19, 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
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE / 5G
  CDMA 800 & TD-SCDMA -
Platform
Chipset Qualcomm SM8150 Snapdragon 855 (7 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 640 Mali-G615 MC2
OS Android 9.0 (Pie), Funtouch 9 Android 15, Funtouch 15
Selfie camera
Features HDR -
Single 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 32 MP, f/2.5, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  32-bit/192kHz Hi-Res audio 24-bit/192kHz Hi-Res & Hi-Res wireless audio