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  3. Y400 4G vs Poco M7

Vivo Y400 4G vs Xiaomi Poco M7

What Y400 4G does better (13) and where Poco M7 wins (4) — every spec side by side.

Vivo Y400 4G
Vivo · 2025Y400 4G
8.2Score
13 advantages≈ $220
Higher score
vs
Xiaomi Poco M7
Xiaomi · 2025Poco M7
6.1Score
4 advantages≈ $220
8.4Display5.9
4.6Camera4.6
8.1Battery6.3
8.3Features4.1
Dimensions

Size comparison

Y400 4GPoco M7
75.3 × 162.37.977.8 × 171.98.2
Y400 4GPoco M7Difference
Height162.3 mm171.9 mm−9.6 mm
Width75.3 mm77.8 mm−2.5 mm
Thickness7.9 mm8.2 mm−0.3 mm
Weight196 g205 g−9 g

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

Why is Y400 4G better than Poco M7?

  1. Wired charging44 W vs 18 W2.4×
  2. Water resistance (IPx)IPx8 vs IPx24×
  3. Peak brightness1,800 nits vs 600 nits3×
  4. OLED panelYes · Poco M7: No
  5. Storage (max)256 GB vs 128 GB2×
  6. NFCYes · Poco M7: No
  7. Battery capacity6,000 mAh vs 5,160 mAh+16%
  8. Pixel density395 ppi vs 260 ppi+52%
  9. CPU frequency2.8 GHz vs 2.2 GHz+27%
  10. Weight196 g vs 205 g+5%
  11. Resolution (width)1,080 px vs 720 px+50%
  12. Screen-to-body ratio87.9% vs 84%+5%

Why is Poco M7 better than Y400 4G?

  1. Memory card slotNo · Y400 4G: Yes
  2. 3.5 mm headphone jackNo · Y400 4G: Yes
  3. Screen size6.7″ vs 6.9″+3%
  4. Process6 nm vs 4 nm+50%
Specifications

Side by side

Vivo Y400 4GVivo Y400 4G≈ $2208.2
Xiaomi Poco M7Xiaomi Poco M7≈ $2206.1
Design
Weight196 g205 g
Thickness7.9 mm8.2 mm
Height162.3 mm171.9 mm
Width75.3 mm77.8 mm
FramePlasticPlastic
BackPlasticGlass
Ingress protectionIP68IP52
Water resistance (IPx)IPx8IPx2
ColoursPurple Twilight, Tropical Green (Dynamic Green), Pearl WhiteOcean Blue, Satin Black, Mint Green
Display
Screen size6.7″6.9″
PanelAMOLEDIPS LCD
OLED panelYesNo
Resolution (width)1,080 px720 px
Resolution (height)2,400 px1,640 px
Pixel density395 ppi260 ppi
Refresh rate120 Hz120 Hz
Peak brightness1,800 nits600 nits
Screen-to-body ratio87.9%84%
Performance
ChipsetQualcomm SM6225 Snapdragon 685Qualcomm SM4450 Snapdragon 4 Gen 2
Chip makerQualcommQualcomm
Process6 nm4 nm
CPU cores88
CPU frequency2.8 GHz2.2 GHz
GPUAdreno 610Adreno 613
AnTuTu score—539,456
Geekbench 6 (multi-core)—2,115
Memory
RAM8 GB8 GB
Storage (max)256 GB128 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"1/2.96"
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera8 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity6,000 mAh5,160 mAh
Battery typeSi/CLi-Po
Wired charging44 W18 W
Charged in 30 min—25%
Wireless chargingNoNo
Connectivity
5G—Yes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakersYesYes
3.5 mm headphone jackNoYes
Fingerprint sensorUnder displaySide
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, compass
SAR (head)—0.85 W/kg
Software
OS at launchAndroid 15Android 14
PlatformAndroidAndroid
InterfaceFuntouch 15HyperOS
Major OS updates promised—2
To compare: 0up to 4 models
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