Product
Xiaomi Redmi K30i 5G
Xiaomi Redmi K30i 5G
Vivo Y400 Pro
Vivo Y400 Pro
Battery
Charging 30W wired 90W wired, 50% in 19 min 6W reverse wired
Type Li-Po 4500 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 165.3 x 76.6 x 8.8 mm (6.51 x 3.02 x 0.35 in) 163.8 x 75.0 x 7.5 or 7.7 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 208 g (7.34 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 Yes
NFC Yes No
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5) GPS, GLONASS, GALILEO, BDS, QZSS
Radio Unspecified 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 (~84.8% screen-to-body ratio) 6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio)
Type IPS LCD, 120Hz, HDR10 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 2020, May 25 2025, June 20
Status Available. Released 2020, June 07 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 Dual-LED flash, HDR, panorama Ring-LED flash, panorama, HDR
Quad 48 MP, f/1.9, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 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 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.1 UFS 3.1
Misc
Colors Blue, White, Red, Purple Fest Gold, Freestyle White, Nebula Purple
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 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 1, 3, 5, 8, 28, 38, 40, 41
5G bands 41, 78 Sub6 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed HSPA, LTE, 5G (2+ Gbps DL) HSPA, LTE, 5G
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
Platform
Chipset Qualcomm SM7250 Snapdragon 765G 5G (7 nm) Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 620 Mali-G615 MC2
OS Android 10, MIUI 11 Android 15, Funtouch 15
Selfie camera
Dual 20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm 2 MP, f/2.4, 1/5.0", 1.75µm, depth sensor -
Features HDR -
Single - 32 MP, f/2.5, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio 24-bit/192kHz Hi-Res & Hi-Res wireless audio