Product
Vivo iQOO 9 SE
Vivo iQOO 9 SE
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 66W wired, 50% in 14 min, 100% in 39 min 90W wired, 50% in 19 min 6W reverse wired
Type 4500 mAh Li-Ion 5500 mAh
Body
Build - Glass front, plastic back, plastic frame
Dimensions 163.2 x 76.4 x 8.4 mm (6.43 x 3.01 x 0.33 in) 163.8 x 75.0 x 7.5 or 7.7 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 199 g (7.02 oz) 182 g (6.42 oz)
  Splash and dust resistant 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, 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
Protection Panda Glass -
Resolution 1080 x 2400 pixels, 20:9 ratio (~398 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.62 inches, 105.8 cm2 (~84.9% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type Super AMOLED, 120Hz, HDR10+, 1200 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, February 23 2025, June 20
Status Available. Released 2022, March 02 Available. Released 2025, June 27
Main Camera
Dual 48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF, OIS 13 MP, f/2.2, 16mm, 120˚ (ultrawide), 1/3.1", 1.12µm, AF 2 MP, f/2.4, (depth) 50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF 2 MP, f/2.4, (depth)
Features Dual-LED dual-tone flash, HDR, panorama Ring-LED flash, panorama, HDR
Video 4K@24/30/60fps, 1080p@30/60fps 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.1 UFS 3.1
Misc
Colors Space Fusion, Sunset Sierra 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 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 1, 3, 5, 8, 28, 38, 40, 41
5G bands 1, 3, 5, 8, 28, 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 / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
Our Tests
Battery (old) Endurance rating 87h -
Camera Photo / Video -
Display 863 nits max brightness (measured) -
Loudspeaker -26.1 LUFS (Good) -
Performance AnTuTu: 727771 (v8), 846231 (v9) GeekBench: 3442 (v5.1) GFXBench: 64fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 660 Mali-G615 MC2
OS Android 12, Funtouch 12 Android 15, Funtouch 15
Selfie camera
Features HDR -
Single 16 MP, f/2.0, (wide), 1/3.0", 1.0µm 32 MP, f/2.5, (wide)
Video 1080p@30fps 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