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UleFone Armor X32 vs Vivo Y31

What Armor X32 does better (6) and where Y31 wins (14) — every spec side by side.

UleFone Armor X32
UleFone · 2025Armor X32
6.6Score
6 advantages≈ $160
vs
Vivo Y31
Vivo · 2025Y31
7.4Score
14 advantages≈ $160
Higher score
4.3Display6.2
5.0Camera4.6
6.7Battery8.4
7.6Features6.7
Dimensions

Size comparison

Armor X32Y31
80.8 × 163.414.577 × 166.18.4
Armor X32Y31Difference
Height163.4 mm166.1 mm−2.7 mm
Width80.8 mm77 mm+3.8 mm
Thickness14.5 mm8.4 mm+6.1 mm
Weight280 g209 g+71 g

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

Why is Armor X32 better than Y31?

  1. NFCYes · Y31: No
  2. Rear cameras2 vs 12×
  3. Selfie camera16 MP vs 8 MP2×
  4. 3.5 mm headphone jackYes · Y31: No
  5. Pixel density285 ppi vs 264 ppi+8%
  6. Bluetooth5.2 vs 4.2+24%

Why is Y31 better than Armor X32?

  1. Wired charging18 W vs 44 W2.4×
  2. Storage (max)128 GB vs 512 GB4×
  3. Stereo speakersNo · Armor X32: Yes
  4. Battery capacity5,500 mAh vs 6,500 mAh+18%
  5. Refresh rate90 Hz vs 120 Hz+33%
  6. RAM6 GB vs 8 GB+33%
  7. Peak brightness600 nits vs 1,000 nits+67%
  8. Process12 nm vs 4 nm3×
  9. Main camera48 MP vs 50 MP+4%
  10. Weight280 g vs 209 g+34%
  11. Screen size5.6″ vs 6.7″+18%
  12. CPU frequency2 GHz vs 2.2 GHz+10%
Specifications

Side by side

Vivo Y31Vivo Y31≈ $1607.4
Design
Weight280 g209 g
Thickness14.5 mm8.4 mm
Height163.4 mm166.1 mm
Width80.8 mm77 mm
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCorning Gorilla Glass 5Guardian Glass (ion-strengthened)
ColoursBlack, Black/Orange, Black/GreenRose Red, Diamond Green
Display
Screen size5.6″6.7″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,440 px1,608 px
Pixel density285 ppi264 ppi
Refresh rate90 Hz120 Hz
Peak brightness600 nits1,000 nits
Screen-to-body ratio62.4%84%
Performance
ChipsetMediatek Helio G91Qualcomm SM4450 Snapdragon 4 Gen 2
Chip makerMediaTekQualcomm
Process12 nm4 nm
CPU cores88
CPU frequency2 GHz2.2 GHz
GPUMali-G52 MC2Adreno 613
Memory
RAM6 GB8 GB
Storage (max)128 GB512 GB
Storage (base)128 GB128 GB
Storage type—eMMC 5.1
Memory card slotYesYes
Camera
Main camera48 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size1/2.0"—
Rear cameras21
Optical stabilisationNoNo
Ultra-wide cameraNoNo
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera16 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity5,500 mAh6,500 mAh
Battery typeLi-PoLi-Ion
Wired charging18 W44 W
Charged in 30 min—39%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth5.24.2
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersNoYes
3.5 mm headphone jackYesNo
Fingerprint sensorSideSide
BarometerYes—
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (side-mounted), accelerometer, proximity, compass
SAR (head)—1.13 W/kg
Software
OS at launchAndroid 14Android 15
PlatformAndroidAndroid
Interface—Funtouch 15
EU label
Energy classB—
Battery charge cycles1,000—
Endurance per cycle56 h—
Repairability classC—
Drop resistance classA—

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