How we scoreBlogAdvertise
android.gsdevices · specs · comparisons
  1. android.gs
  2. Compare
  3. Y400 4G vs Redmi Note 15 (China)

Vivo Y400 4G vs Xiaomi Redmi Note 15 (China)

What Y400 4G does better (2) and where Redmi Note 15 (China) wins (8) — every spec side by side.

Vivo Y400 4G
Vivo · 2025Y400 4G
8.2Score
2 advantages≈ $220
vs
Xiaomi Redmi Note 15 (China)
Xiaomi · 2025Redmi Note 15 (China)
8.4Score
8 advantages
Higher score
8.4Display9.0
4.6Camera5.4
8.2Battery8.1
8.3Features8.4
Dimensions

Size comparison

Y400 4GRedmi Note 15 (China)
75.3 × 162.37.975.4 × 1657.4
Y400 4GRedmi Note 15 (China)Difference
Height162.3 mm165 mm−2.7 mm
Width75.3 mm75.4 mm−0.1 mm
Thickness7.9 mm7.4 mm+0.5 mm
Weight196 g178 g+18 g

Drawn to the same scale from the official dimensions (front and side).

Why is Y400 4G better than Redmi Note 15 (China)?

  1. Battery capacity6,000 mAh vs 5,800 mAh+3%
  2. CPU frequency2.8 GHz vs 2.4 GHz+17%

Why is Redmi Note 15 (China) better than Y400 4G?

  1. RAM8 GB vs 12 GB+50%
  2. Peak brightness1,800 nits vs 3,200 nits+78%
  3. Wired charging44 W vs 45 W+2%
  4. Memory card slotNo · Y400 4G: Yes
  5. Max video1080p vs 4K
  6. Weight196 g vs 178 g+10%
  7. Process6 nm vs 4 nm+50%
  8. Thickness7.9 mm vs 7.4 mm+7%
Specifications

Side by side

Vivo Y400 4GVivo Y400 4G≈ $2208.2
Design
Weight196 g178 g
Thickness7.9 mm7.4 mm
Height162.3 mm165 mm
Width75.3 mm75.4 mm
FramePlastic—
BackPlastic—
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protection—Xiaomi Dragon Crystal Glass
ColoursPurple Twilight, Tropical Green (Dynamic Green), Pearl WhiteBlack, White, Blue
Display
Screen size6.7″6.8″
PanelAMOLEDAMOLED
OLED panelYesYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,400 px2,392 px
Pixel density395 ppi388 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,800 nits3,200 nits
Screen-to-body ratio87.9%89.1%
Performance
ChipsetQualcomm SM6225 Snapdragon 685Qualcomm SM6475-AB Snapdragon 6 Gen 3
Chip makerQualcommQualcomm
Process6 nm4 nm
CPU cores88
CPU frequency2.8 GHz2.4 GHz
GPUAdreno 610Adreno 710
Memory
RAM8 GB12 GB
Storage (max)256 GB256 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.2UFS 2.2
Memory card slotNoYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size1/2.96"1/2.88"
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p4K
4K video frame rate—30 fps
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity6,000 mAh5,800 mAh
Battery typeSi/CLi-Ion
Wired charging44 W45 W
Wireless chargingNoNo
Connectivity
5G—Yes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55.1
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Fingerprint sensorUnder displayUnder display
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass, proximity
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceFuntouch 15HyperOS 2
To compare: 0up to 4 models
Compare