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  3. 400 Smart vs Y31

Honor 400 Smart vs Vivo Y31

What 400 Smart does better (6) and where Y31 wins (7) — every spec side by side.

Honor 400 Smart
Honor · 2025400 Smart
7.1Score
6 advantages≈ $150
vs
Vivo Y31
Vivo · 2025Y31
7.4Score
7 advantages≈ $160
Higher score
5.9Display6.2
4.1Camera4.6
8.3Battery8.4
6.8Features6.7
Dimensions

Size comparison

400 SmartY31
76.8 × 166.98.477 × 166.18.4
400 SmartY31Difference
Height166.9 mm166.1 mm+0.8 mm
Width76.8 mm77 mm−0.2 mm
Thickness8.4 mm8.4 mm=
Weight189 g209 g−20 g

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

Why is 400 Smart better than Y31?

  1. NFCYes · Y31: No
  2. 3.5 mm headphone jackYes · Y31: No
  3. Weight189 g vs 209 g+11%
  4. CPU frequency2.3 GHz vs 2.2 GHz+5%
  5. Bluetooth5.1 vs 4.2+21%
  6. Screen-to-body ratio86% vs 84%+2%

Why is Y31 better than 400 Smart?

  1. Water resistance (IPx)IPx4 vs IPx82×
  2. Storage (max)256 GB vs 512 GB2×
  3. Wired charging35 W vs 44 W+26%
  4. Peak brightness700 nits vs 1,000 nits+43%
  5. Memory card slotNo · 400 Smart: Yes
  6. Selfie camera5 MP vs 8 MP+60%
  7. Process6 nm vs 4 nm+50%
Specifications

Side by side

Honor 400 SmartHonor 400 Smart≈ $1507.1
Vivo Y31Vivo Y31≈ $1607.4
Design
Weight189 g209 g
Thickness8.4 mm8.4 mm
Height166.9 mm166.1 mm
Width76.8 mm77 mm
FramePlastic—
BackPlastic—
Ingress protectionIP64IP68
Water resistance (IPx)IPx4IPx8
Glass protectionScratch-resistant glassGuardian Glass (ion-strengthened)
ColoursBlackRose Red, Diamond Green
Display
Screen size6.8″6.7″
PanelTFT LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,610 px1,608 px
Pixel density261 ppi264 ppi
Refresh rate120 Hz120 Hz
Peak brightness700 nits1,000 nits
Screen-to-body ratio86%84%
Performance
ChipsetQualcomm SM6375 Snapdragon 6s Gen 3Qualcomm SM4450 Snapdragon 4 Gen 2
Chip makerQualcommQualcomm
Process6 nm4 nm
CPU cores88
CPU frequency2.3 GHz2.2 GHz
GPUAdreno 619Adreno 613
AnTuTu score591,791—
Geekbench 6 (multi-core)2,125—
Memory
RAM8 GB8 GB
Storage (max)256 GB512 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.2eMMC 5.1
Memory card slotNoYes
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera5 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity6,500 mAh6,500 mAh
Battery typeLi-PoLi-Ion
Wired charging35 W44 W
Charged in 30 min—39%
Wireless chargingNoNo
Reverse wireless chargingYes—
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.14.2
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackYesNo
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
SAR (head)—1.13 W/kg
Software
OS at launchAndroid 15Android 15
PlatformAndroidAndroid
InterfaceMagicOS 9.0Funtouch 15
EU label
Energy classA—
Battery charge cycles1,600—
Endurance per cycle70 h—
Repairability classB—
Drop resistance classA—
To compare: 0up to 4 models
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