Product
Xiaomi Poco X4 Pro 5G
Xiaomi Poco X4 Pro 5G
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 67W wired, PD3.0, QC3, 70% in 22 min, 100% in 41 min 90W wired, 50% in 19 min 6W reverse wired
Type Li-Po 5000 mAh Li-Ion 5500 mAh
Body
Build Glass front (Gorilla Glass 5), glass back, plastic frame Glass front, plastic back, plastic frame
Dimensions 164.2 x 76.1 x 8.1 mm (6.46 x 3.00 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 205 g (7.23 oz) 182 g (6.42 oz)
  IP53 dust protected and water resistant (vertical water sprays) IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.1, A2DP, LE 5.4, A2DP, LE
Infrared port Yes Yes
NFC Yes (market/region dependent) No
Positioning GPS, GLONASS, BDS, GALILEO GPS, GLONASS, GALILEO, BDS, QZSS
Radio FM radio 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 Corning Gorilla Glass 5 -
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.67 inches, 107.4 cm2 (~86.0% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type Super AMOLED, 120Hz, 700 nits, 1200 nits (peak) AMOLED, 120Hz, HDR, 1300 nits (HBM), 4500 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
  - Circle to Search
Launch
Announced 2022, February 28 2025, June 20
Status Available. Released 2022, March 23 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 108 MP, f/1.9, 26mm (wide), 1/1.52", 0.7µm, PDAF - Global version 64 MP, f/1.8, 26mm (wide), 0.7µm, PDAF - India version 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 1080p@30fps 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.2 UFS 3.1
Misc
Colors Laser Black, Laser Blue, Poco Yellow Fest Gold, Freestyle White, Nebula Purple
Models 2201116PG -
SAR 1.06 W/kg (head)     1.09 W/kg (body)     0.90 W/kg (head)    
SAR EU 0.60 W/kg (head)     0.96 W/kg (body)     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 - Global HSDPA 850 / 900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41 - Global 1, 3, 5, 8, 28, 38, 40, 41
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA - Global 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed HSPA, LTE (CA), 5G HSPA, LTE, 5G
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
  1, 3, 5, 8, 28, 40, 78 SA/NSA - India -
Our Tests
Battery (old) Endurance rating 119h -
Camera Photo / Video -
Display Contrast ratio: Infinite (nominal) -
Loudspeaker -26.8 LUFS (Good) -
Performance AnTuTu: 335353 (v8), 384646 (v9) GeekBench: 2063 (v5.1) GFXBench: 17fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM6375 Snapdragon 695 5G (6 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 619 Mali-G615 MC2
OS Android 11, MIUI 13 for POCO Android 15, Funtouch 15
Selfie camera
Features HDR, panorama -
Single 16 MP, f/2.5, (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, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio 24-bit/192kHz Hi-Res & Hi-Res wireless audio