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  3. P4x 4G vs Y31d

Realme P4x 4G vs Vivo Y31d

What P4x 4G does better (5) and where Y31d wins (9) — every spec side by side.

Realme P4x 4G
Realme · 2026P4x 4G
6.7Score
5 advantages≈ $170
vs
Vivo Y31d
Vivo · 2026Y31d
7.5Score
9 advantages≈ $180
Higher score
6.0Display6.6
4.1Camera4.6
9.0Battery8.7
3.8Features6.3
Dimensions

Size comparison

P4x 4GY31d
78.2 × 166.58.878.4 × 166.68.4
P4x 4GY31dDifference
Height166.5 mm166.6 mm−0.1 mm
Width78.2 mm78.4 mm−0.2 mm
Thickness8.8 mm8.4 mm+0.4 mm
Weight219 g219 g=

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

Why is P4x 4G better than Y31d?

  1. Battery capacity8,000 mAh vs 7,200 mAh+11%
  2. Wired charging45 W vs 44 W+2%
  3. Memory card slotYes · Y31d: No
  4. 3.5 mm headphone jackYes · Y31d: No
  5. Main camera aperturef/1.8 vs f/2+11%

Why is Y31d better than P4x 4G?

  1. Water resistance (IPx)IPx4 vs IPx82×
  2. Stereo speakersNo · P4x 4G: Yes
  3. RAM6 GB vs 8 GB+33%
  4. Peak brightness700 nits vs 1,250 nits+79%
  5. CPU frequency1.8 GHz vs 2.9 GHz+61%
  6. Process12 nm vs 6 nm2×
  7. Storage (base)64 GB vs 128 GB2×
  8. Selfie camera5 MP vs 8 MP+60%
  9. Thickness8.8 mm vs 8.4 mm+5%
Specifications

Side by side

Realme P4x 4GRealme P4x 4G≈ $1706.7
Vivo Y31dVivo Y31d≈ $1807.5
Design
Weight219 g219 g
Thickness8.8 mm8.4 mm
Height166.5 mm166.6 mm
Width78.2 mm78.4 mm
FramePlasticPlastic
BackPlasticPlastic
Ingress protectionIP64IP68
Water resistance (IPx)IPx4IPx8
Glass protectionPanda MN228—
ColoursPhantom Blue, Rally WhiteGlow White, Starlight Grey
Display
Screen size6.8″6.8″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,570 px1,570 px
Pixel density254 ppi256 ppi
Refresh rate120 Hz120 Hz
Peak brightness700 nits1,250 nits
Screen-to-body ratio86.8%85.3%
Performance
ChipsetUnisoc T7250Qualcomm SM6225-AF Snapdragon 6s 4G Gen 2
Chip makerUnisocQualcomm
Process12 nm6 nm
CPU cores88
CPU frequency1.8 GHz2.9 GHz
GPUMali-G57 MP1Adreno
Memory
RAM6 GB8 GB
Storage (max)256 GB256 GB
Storage (base)64 GB128 GB
Storage typeeMMC 5.1UFS 2.2
Memory card slotYesNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/2
Rear cameras11
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera5 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity8,000 mAh7,200 mAh
Battery type—Si/C
Wired charging45 W44 W
Charged in 30 min—35%
Wireless chargingNoNo
Connectivity
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.25.1
NFCNoNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersNoYes
3.5 mm headphone jackYesNo
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Software
OS at launchAndroid 16Android 16
PlatformAndroidAndroid
Interface—OriginOS 6
To compare: 0up to 4 models
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