Product
Realme 15
Realme 15
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 80W wired, 50% in 25 min 90W wired, 50% in 19 min 6W reverse wired
Type Li-Ion 7000 mAh Li-Ion 5500 mAh
Body
Build Glass front, aluminum frame, fiberglass back or silicone polymer (eco leather) back Glass front, plastic back, plastic frame
Dimensions 162.3 x 76.2 x 7.7 / 7.8 / 8.0 mm 163.8 x 75.0 x 7.5 or 7.7 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 187 g or 189 g (6.60 oz) 182 g (6.42 oz)
  IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions IP65 dust tight and water resistant (low pressure water jets)
Comms
Bluetooth 5.4, A2DP, LE 5.4, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS 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 802.11 a/b/g/n/ac, dual-band
Display
Protection Corning Gorilla Glass (unspecified version) -
Resolution 1280 x 2800 pixels, 19.5:9 ratio (~453 ppi density) 1080 x 2392 pixels (~388 ppi density)
Size 6.8 inches, 112.8 cm2 (~91.2% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type OLED, 1B colors, 144Hz, 4608Hz PWM, HDR10+, 1800 nits (HBM), 6500 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 2025, July 24 2025, June 20
Status Available. Released 2025, July 30 Available. Released 2025, June 27
Main Camera
Dual 50 MP, f/1.8, 24mm (wide), 1/1.56", PDAF, OIS 8 MP, f/2.2, 112˚, 16mm (ultrawide) 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
Video 4K@30fps, 1080p@30fps, gyro-EIS, OIS 4K@30fps, 1080p@30fps, gyro-EIS
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.1 UFS 3.1
Misc
Colors Flowing Silver, Silk Pink, Velvet Green Fest Gold, Freestyle White, Nebula Purple
Models RMX5106 -
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 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 28, 40, 41 1, 3, 5, 8, 28, 38, 40, 41
5G bands 1, 3, 5, 8, 28, 40, 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
Platform
Chipset Mediatek Dimensity 7300+ (4 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Mali-G615 MC2 Mali-G615 MC2
OS Android 15, up to 3 major Android upgrades, Realme UI 6.0 Android 15, Funtouch 15
Selfie camera
Features Panorama -
Single 50 MP, f/2.4, 23mm (wide) 32 MP, f/2.5, (wide)
Video 4K@30fps, 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