Product
Realme X50 Pro 5G
Realme X50 Pro 5G
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 65W wired, PD, 100% in 35 min 90W wired, 50% in 19 min 6W reverse wired
Type 4200 mAh Li-Ion 5500 mAh
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame Glass front, plastic back, plastic frame
Dimensions 159 x 74.2 x 8.9 mm (6.26 x 2.92 x 0.35 in) 163.8 x 75.0 x 7.5 or 7.7 mm
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 205 g (7.23 oz) 182 g (6.42 oz)
  - IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 5.4, A2DP, LE
Infrared port - Yes
NFC Yes No
Positioning GPS (L1+L5), GLONASS, BDS, GALILEO, NavIC 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 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.44 inches, 100.1 cm2 (~84.9% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type Super AMOLED, 90Hz, HDR10+ 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 2020, February 24 2025, June 20
Status Available. Released 2020, March 05 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
Quad 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 12 MP, f/2.5, 54mm (telephoto), 2x optical zoom, PDAF 8 MP, f/2.3, 13mm (ultrawide), PDAF 2 MP B/W, f/2.4, (depth) -
Video 4K@30/60fps, 1080p@30/60fps; gyro-EIS 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot No No
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.0 UFS 3.1
Misc
Colors Moss Green, Rust Red Fest Gold, Freestyle White, Nebula Purple
Models RMX2075, RMX2071, RMX2076 -
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, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 42, 66 - Global 1, 3, 5, 8, 28, 38, 40, 41
5G bands 1, 3, 5, 7, 28, 38, 40, 41, 77, 78 SA/NSA - Global 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
  41, 78, 79 SA/NSA - India -
Our Tests
Battery (old) Endurance rating 90h -
Camera Photo / Video -
Display 635 nits max brightness (measured) -
Loudspeaker -23.2 LUFS (Very good) -
Performance AnTuTu: 592447 (v8) GeekBench: 3175 (v5.1) GFXBench: 45fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 650 Mali-G615 MC2
OS Android 10, upgradable to Android 11, Realme UI 2.0 Android 15, Funtouch 15
Selfie camera
Dual 32 MP, f/2.5, 26mm (wide), 1/2.8", 0.8µm 8 MP, f/2.2, 17mm (ultrawide), 1/4.0", 1.12µm -
Features HDR -
Single - 32 MP, f/2.5, (wide)
Video 1080p@30/120fps, gyro-EIS 4K@30fps, 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes, with dual speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio 24-bit/192kHz Hi-Res & Hi-Res wireless audio