Product
OnePlus Ace
OnePlus Ace
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 150W wired, 50% in 5 min 90W wired, 50% in 19 min 6W reverse wired
Type Li-Po 4500 mAh Li-Ion 5500 mAh
Body
Build Glass front (Gorilla Glass 5), plastic frame Glass front, plastic back, plastic frame
Dimensions 163.3 x 75.5 x 8.2 mm (6.43 x 2.97 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 186 g (6.56 oz) 182 g (6.42 oz)
  - IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.2, A2DP, LE 5.4, A2DP, LE
Infrared port - Yes
NFC Yes No
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS, QZSS
Radio No No
USB USB Type-C 2.0 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
Protection Corning Gorilla Glass 5 -
Resolution 1080 x 2412 pixels, 20:9 ratio (~394 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.7 inches, 108.0 cm2 (~87.6% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type OLED, 1B colors, 120Hz, HDR10+, 500 nits (typ), 800 nits (HBM), 950 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 2022, April 21 2025, June 20
Status Available. Released 2022, April 26 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 Color spectrum sensor, LED flash, HDR, panorama Ring-LED flash, panorama, HDR
Triple 50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 4K@30/60fps, 1080p@30/60/240fps, gyro-EIS 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.1 UFS 3.1
Misc
Colors Black, Blue Fest Gold, Freestyle White, Nebula Purple
Models PGKM10 -
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 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 2, 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, 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 / EVDO / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA2000 1xEV-DO -
Platform
Chipset Mediatek Dimensity 8100 Max (5 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (4x2.85 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Mali-G610 MC6 Mali-G615 MC2
OS Android 12, ColorOS 12.1 Android 15, Funtouch 15
Selfie camera
Features HDR -
Single 16 MP, f/2.4, 26mm (wide), 1/3.09", 1.0µm 32 MP, f/2.5, (wide)
Video 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  - 24-bit/192kHz Hi-Res & Hi-Res wireless audio