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  3. Armor 8 Pro vs Y31s

UleFone Armor 8 Pro vs Vivo Y31s

What Armor 8 Pro does better (6) and where Y31s wins (13) — every spec side by side.

UleFone Armor 8 Pro
UleFone · 2021Armor 8 Pro
5.6Score
6 advantages≈ $210
vs
Vivo Y31s
Vivo · 2021Y31s
6.0Score
13 advantages≈ $210
Higher score
3.0Display5.5
3.7Camera4.2
6.3Battery4.6
6.0Features5.8
Dimensions

Size comparison

Armor 8 ProY31s
81.8 × 1661575.4 × 164.28.4
Armor 8 ProY31sDifference
Height166 mm164.2 mm+1.8 mm
Width81.8 mm75.4 mm+6.4 mm
Thickness15 mm8.4 mm+6.6 mm
Weight282 g186 g+96 g

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

Why is Armor 8 Pro better than Y31s?

  1. NFCYes · Y31s: No
  2. Battery capacity5,580 mAh vs 5,000 mAh+12%
  3. RAM8 GB vs 6 GB+33%
  4. Main camera16 MP vs 13 MP+23%
  5. Storage (base)128 GB vs 64 GB2×
  6. Memory card slotYes · Y31s: No

Why is Y31s better than Armor 8 Pro?

  1. Refresh rate60 Hz vs 90 Hz+50%
  2. 5GNo · Armor 8 Pro: Yes
  3. Wired charging15 W vs 18 W+20%
  4. Weight282 g vs 186 g+52%
  5. Pixel density282 ppi vs 400 ppi+42%
  6. Max video1080p vs 4K
  7. Thickness15 mm vs 8.4 mm+79%
  8. Screen size6.1″ vs 6.6″+8%
  9. Resolution (width)720 px vs 1,080 px+50%
  10. Process12 nm vs 8 nm+50%
  11. Screen-to-body ratio67.3% vs 84.7%+26%
  12. Bluetooth4.2 vs 5.1+21%
Specifications

Side by side

Vivo Y31sVivo Y31s≈ $2106.0
Design
Weight282 g186 g
Thickness15 mm8.4 mm
Height166 mm164.2 mm
Width81.8 mm75.4 mm
FrameAluminium—
BackAluminium—
Ingress protectionIP68—
Water resistance (IPx)IPx8—
Glass protectionScratch-resistant glass, oleophobic coating—
ColoursBlack, Orange, RedRed, Gray, Aurora
Display
Screen size6.1″6.6″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px1,080 px
Resolution (height)1,560 px2,408 px
Pixel density282 ppi400 ppi
Refresh rate60 Hz90 Hz
Screen-to-body ratio67.3%84.7%
Performance
ChipsetMediatek MT6771 Helio P60Qualcomm SM4350 Snapdragon 480 5G
Chip makerMediaTekQualcomm
Process12 nm8 nm
CPU cores88
CPU frequency2 GHz2 GHz
GPUMali-G72 MP3Adreno 619
Memory
RAM8 GB6 GB
Storage (max)128 GB128 GB
Storage (base)128 GB64 GB
Storage type—UFS 2.1
Memory card slotYesNo
Camera
Main camera16 MP13 MP
Main camera aperturef/2.2f/2.2
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 capacity5,580 mAh5,000 mAh
Battery typeLi-Po—
Wired charging15 W18 W
Wireless chargingNoNo
Connectivity
5GNoYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 6
Bluetooth4.25.1
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
Software
OS at launchAndroid 11Android 11
PlatformAndroidAndroid
Interface—Funtouch 10.5
To compare: 0up to 4 models
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