Product
Honor X40 GT
Honor X40 GT
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 66W wired, 90% in 30 min 5W reverse wired 90W wired, 50% in 19 min 6W reverse wired
Type Li-Po 4800 mAh Li-Ion 5500 mAh
Body
Build - Glass front, plastic back, plastic frame
Dimensions 166.1 x 75.8 x 8.5 mm (6.54 x 2.98 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 199.5 g (7.05 oz) 182 g (6.42 oz)
  - IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.2, A2DP, LE, aptX HD 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/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 1080 x 2388 pixels (~385 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.81 inches, 112.3 cm2 (~89.2% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type IPS LCD, 144Hz AMOLED, 120Hz, HDR, 1300 nits (HBM), 4500 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
  Virtual proximity sensing Circle to Search
Launch
Announced 2022, October 13 2025, June 20
Status Available. Released 2022, October 18 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, panorama, HDR Ring-LED flash, panorama, HDR
Triple 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Video 4K@30fps, 1080p@30fps; gyro-EIS 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot No No
Internal 256GB 8GB RAM, 256GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.1 UFS 3.1
Misc
Colors Racing Black, Black, Silver Fest Gold, Freestyle White, Nebula Purple
Models ADT-AN00 -
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 LTE 1, 3, 5, 8, 28, 38, 40, 41
5G bands 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 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, Magic UI 6.1 Android 15, Funtouch 15
Selfie camera
Single 16 MP, f/2.5 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 & Hi-Res wireless audio