Product
Xiaomi Poco X6
Xiaomi Poco X6
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 67W wired, 100% in 44 min 90W wired, 50% in 19 min 6W reverse wired
Type 5100 mAh Li-Ion 5500 mAh
Body
Build Glass front (Gorilla Glass Victus), plastic frame, plastic back Glass front, plastic back, plastic frame
Dimensions 161.2 x 74.3 x 8 mm (6.35 x 2.93 x 0.31 in) 163.8 x 75.0 x 7.5 or 7.7 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 181 g (6.38 oz) 182 g (6.42 oz)
  IP54 dust protected and water resistant (water splashes) IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.2, A2DP, LE 5.4, A2DP, LE
Infrared port Yes Yes
NFC Yes (market/region dependent) 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 Corning Gorilla Glass Victus -
Resolution 1220 x 2712 pixels, 20:9 ratio (~446 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.67 inches, 107.4 cm2 (~89.7% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type AMOLED, 68B colors, 120Hz, 1920Hz PWM, Dolby Vision, 500 nits (typ), 1200 nits (HBM), 1800 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 2024, January 11 2025, June 20
Status Available. Released 2024, January 12 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 64 MP, f/1.8, 25mm (wide), 1/2.0", 0.7µm, PDAF, OIS 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 4K@30fps, 1080p@30/60fps, gyro-EIS 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot No No
Internal 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.2 UFS 3.1
Misc
Colors Black, White, Blue Fest Gold, Freestyle White, Nebula Purple
Models 23122PCD1G, 23122PCD1I -
SAR 1.09 W/kg (head)     1.03 W/kg (body)     0.90 W/kg (head)    
SAR EU 1.00 W/kg (head)     1.00 W/kg (body)     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 - International HSDPA 850 / 900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 66 - International 1, 3, 5, 8, 28, 38, 40, 41
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - International 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
  1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA - India -
Platform
Chipset Qualcomm SM7435-AB Snapdragon 7s Gen 2 (4 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (4x2.40 GHz Cortex-A78 & 4x1.95 GHz Cortex-A55) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 710 Mali-G615 MC2
OS Android 13, up to 3 major Android upgrades, HyperOS Android 15, Funtouch 15
Selfie camera
Features HDR -
Single 16 MP, f/2.5, (wide), 1.0µm 32 MP, f/2.5, (wide)
Video 1080p@30/60fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with dual speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res & Hi-Res Wireless audio 24-bit/192kHz Hi-Res & Hi-Res wireless audio
Tests
Battery (new) Active use score 10:11h -
Camera Photo / Video -
Display 1339 nits max brightness (measured) -
Loudspeaker -26.5 LUFS (Good) -
Performance AnTuTu: 533112 (v9), 605803 (v10) GeekBench: 2945 (v6) 3DMark: 792 (Wild Life Extreme) -